text: /** @license
   *
   * SoundManager 2: JavaScript Sound for the Web
   * ----------------------------------------------
   * http://schillmania.com/projects/soundmanager2/
   *
   * Copyright (c) 2007, Scott Schiller. All rights reserved.
   * Code provided under the BSD License:
   * http://schillmania.com/projects/soundmanager2/license.txt
   *
   * V2.97a.20131201
   */
  
  /*global window, SM2_DEFER, sm2Debugger, console, document, navigator, setTimeout, setInterval, clearInterval, Audio, opera */
  /*jslint regexp: true, sloppy: true, white: true, nomen: true, plusplus: true, todo: true */
  
  /**
   * About this file
   * -------------------------------------------------------------------------------------
   * This is the fully-commented source version of the SoundManager 2 API,
   * recommended for use during development and testing.
   *
   * See soundmanager2-nodebug-jsmin.js for an optimized build (~11KB with gzip.)
   * http://schillmania.com/projects/soundmanager2/doc/getstarted/#basic-inclusion
   * Alternately, serve this file with gzip for 75% compression savings (~30KB over HTTP.)
   *
   * You may notice <d> and </d> comments in this source; these are delimiters for
   * debug blocks which are removed in the -nodebug builds, further optimizing code size.
   *
   * Also, as you may note: Whoa, reliable cross-platform/device audio support is hard! ;)
   */
  
  (function(window, _undefined) {
  
  "use strict";
  
  var soundManager = null;
  
  /**
   * The SoundManager constructor.
   *
   * @constructor
   * @param {string} smURL Optional: Path to SWF files
   * @param {string} smID Optional: The ID to use for the SWF container element
   * @this {SoundManager}
   * @return {SoundManager} The new SoundManager instance
   */
  
  function SoundManager(smURL, smID) {
  
    /**
     * soundManager configuration options list
     * defines top-level configuration properties to be applied to the soundManager instance (eg. soundManager.flashVersion)
     * to set these properties, use the setup() method - eg., soundManager.setup({url: '/swf/', flashVersion: 9})
     */
  
    this.setupOptions = {
  
      'url': (smURL || null),             // path (directory) where SoundManager 2 SWFs exist, eg., /path/to/swfs/
      'flashVersion': 8,                  // flash build to use (8 or 9.) Some API features require 9.
      'debugMode': true,                  // enable debugging output (console.log() with HTML fallback)
      'debugFlash': false,                // enable debugging output inside SWF, troubleshoot Flash/browser issues
      'useConsole': true,                 // use console.log() if available (otherwise, writes to #soundmanager-debug element)
      'consoleOnly': true,                // if console is being used, do not create/write to #soundmanager-debug
      'waitForWindowLoad': false,         // force SM2 to wait for window.onload() before trying to call soundManager.onload()
      'bgColor': '#ffffff',               // SWF background color. N/A when wmode = 'transparent'
      'useHighPerformance': false,        // position:fixed flash movie can help increase js/flash speed, minimize lag
      'flashPollingInterval': null,       // msec affecting whileplaying/loading callback frequency. If null, default of 50 msec is used.
      'html5PollingInterval': null,       // msec affecting whileplaying() for HTML5 audio, excluding mobile devices. If null, native HTML5 update events are used.
      'flashLoadTimeout': 1000,           // msec to wait for flash movie to load before failing (0 = infinity)
      'wmode': null,                      // flash rendering mode - null, 'transparent', or 'opaque' (last two allow z-index to work)
      'allowScriptAccess': 'always',      // for scripting the SWF (object/embed property), 'always' or 'sameDomain'
      'useFlashBlock': false,             // *requires flashblock.css, see demos* - allow recovery from flash blockers. Wait indefinitely and apply timeout CSS to SWF, if applicable.
      'useHTML5Audio': true,              // use HTML5 Audio() where API is supported (most Safari, Chrome versions), Firefox (no MP3/MP4.) Ideally, transparent vs. Flash API where possible.
      'html5Test': /^(probably|maybe)$/i, // HTML5 Audio() format support test. Use /^probably$/i; if you want to be more conservative.
      'preferFlash': false,               // overrides useHTML5audio, will use Flash for MP3/MP4/AAC if present. Potential option if HTML5 playback with these formats is quirky.
      'noSWFCache': false,                // if true, appends ?ts={date} to break aggressive SWF caching.
      'idPrefix': 'sound'                 // if an id is not provided to createSound(), this prefix is used for generated IDs - 'sound0', 'sound1' etc.
  
    };
  
    this.defaultOptions = {
  
      /**
       * the default configuration for sound objects made with createSound() and related methods
       * eg., volume, auto-load behaviour and so forth
       */
  
      'autoLoad': false,        // enable automatic loading (otherwise .load() will be called on demand with .play(), the latter being nicer on bandwidth - if you want to .load yourself, you also can)
      'autoPlay': false,        // enable playing of file as soon as possible (much faster if "stream" is true)
      'from': null,             // position to start playback within a sound (msec), default = beginning
      'loops': 1,               // how many times to repeat the sound (position will wrap around to 0, setPosition() will break out of loop when >0)
      'onid3': null,            // callback function for "ID3 data is added/available"
      'onload': null,           // callback function for "load finished"
      'whileloading': null,     // callback function for "download progress update" (X of Y bytes received)
      'onplay': null,           // callback for "play" start
      'onpause': null,          // callback for "pause"
      'onresume': null,         // callback for "resume" (pause toggle)
      'whileplaying': null,     // callback during play (position update)
      'onposition': null,       // object containing times and function callbacks for positions of interest
      'onstop': null,           // callback for "user stop"
      'onfailure': null,        // callback function for when playing fails
      'onfinish': null,         // callback function for "sound finished playing"
      'multiShot': true,        // let sounds "restart" or layer on top of each other when played multiple times, rather than one-shot/one at a time
      'multiShotEvents': false, // fire multiple sound events (currently onfinish() only) when multiShot is enabled
      'position': null,         // offset (milliseconds) to seek to within loaded sound data.
      'pan': 0,                 // "pan" settings, left-to-right, -100 to 100
      'stream': true,           // allows playing before entire file has loaded (recommended)
      'to': null,               // position to end playback within a sound (msec), default = end
      'type': null,             // MIME-like hint for file pattern / canPlay() tests, eg. audio/mp3
      'usePolicyFile': false,   // enable crossdomain.xml request for audio on remote domains (for ID3/waveform access)
      'volume': 100             // self-explanatory. 0-100, the latter being the max.
  
    };
  
    this.flash9Options = {
  
      /**
       * flash 9-only options,
       * merged into defaultOptions if flash 9 is being used
       */
  
      'isMovieStar': null,      // "MovieStar" MPEG4 audio mode. Null (default) = auto detect MP4, AAC etc. based on URL. true = force on, ignore URL
      'usePeakData': false,     // enable left/right channel peak (level) data
      'useWaveformData': false, // enable sound spectrum (raw waveform data) - NOTE: May increase CPU load.
      'useEQData': false,       // enable sound EQ (frequency spectrum data) - NOTE: May increase CPU load.
      'onbufferchange': null,   // callback for "isBuffering" property change
      'ondataerror': null       // callback for waveform/eq data access error (flash playing audio in other tabs/domains)
  
    };
  
    this.movieStarOptions = {
  
      /**
       * flash 9.0r115+ MPEG4 audio options,
       * merged into defaultOptions if flash 9+movieStar mode is enabled
       */
  
      'bufferTime': 3,          // seconds of data to buffer before playback begins (null = flash default of 0.1 seconds - if AAC playback is gappy, try increasing.)
      'serverURL': null,        // rtmp: FMS or FMIS server to connect to, required when requesting media via RTMP or one of its variants
      'onconnect': null,        // rtmp: callback for connection to flash media server
      'duration': null          // rtmp: song duration (msec)
  
    };
  
    this.audioFormats = {
  
      /**
       * determines HTML5 support + flash requirements.
       * if no support (via flash and/or HTML5) for a "required" format, SM2 will fail to start.
       * flash fallback is used for MP3 or MP4 if HTML5 can't play it (or if preferFlash = true)
       */
  
      'mp3': {
        'type': ['audio/mpeg; codecs="mp3"', 'audio/mpeg', 'audio/mp3', 'audio/MPA', 'audio/mpa-robust'],
        'required': true
      },
  
      'mp4': {
        'related': ['aac','m4a','m4b'], // additional formats under the MP4 container
        'type': ['audio/mp4; codecs="mp4a.40.2"', 'audio/aac', 'audio/x-m4a', 'audio/MP4A-LATM', 'audio/mpeg4-generic'],
        'required': false
      },
  
      'ogg': {
        'type': ['audio/ogg; codecs=vorbis'],
        'required': false
      },
  
      'opus': {
        'type': ['audio/ogg; codecs=opus', 'audio/opus'],
        'required': false
      },
  
      'wav': {
        'type': ['audio/wav; codecs="1"', 'audio/wav', 'audio/wave', 'audio/x-wav'],
        'required': false
      }
  
    };
  
    // HTML attributes (id + class names) for the SWF container
  
    this.movieID = 'sm2-container';
    this.id = (smID || 'sm2movie');
  
    this.debugID = 'soundmanager-debug';
    this.debugURLParam = /([#?&])debug=1/i;
  
    // dynamic attributes
  
    this.versionNumber = 'V2.97a.20131201';
    this.version = null;
    this.movieURL = null;
    this.altURL = null;
    this.swfLoaded = false;
    this.enabled = false;
    this.oMC = null;
    this.sounds = {};
    this.soundIDs = [];
    this.muted = false;
    this.didFlashBlock = false;
    this.filePattern = null;
  
    this.filePatterns = {
  
      'flash8': /\.mp3(\?.*)?$/i,
      'flash9': /\.mp3(\?.*)?$/i
  
    };
  
    // support indicators, set at init
  
    this.features = {
  
      'buffering': false,
      'peakData': false,
      'waveformData': false,
      'eqData': false,
      'movieStar': false
  
    };
  
    // flash sandbox info, used primarily in troubleshooting
  
    this.sandbox = {
  
      // <d>
      'type': null,
      'types': {
        'remote': 'remote (domain-based) rules',
        'localWithFile': 'local with file access (no internet access)',
        'localWithNetwork': 'local with network (internet access only, no local access)',
        'localTrusted': 'local, trusted (local+internet access)'
      },
      'description': null,
      'noRemote': null,
      'noLocal': null
      // </d>
  
    };
  
    /**
     * format support (html5/flash)
     * stores canPlayType() results based on audioFormats.
     * eg. { mp3: boolean, mp4: boolean }
     * treat as read-only.
     */
  
    this.html5 = {
      'usingFlash': null // set if/when flash fallback is needed
    };
  
    // file type support hash
    this.flash = {};
  
    // determined at init time
    this.html5Only = false;
  
    // used for special cases (eg. iPad/iPhone/palm OS?)
    this.ignoreFlash = false;
  
    /**
     * a few private internals (OK, a lot. :D)
     */
  
    var SMSound,
    sm2 = this, globalHTML5Audio = null, flash = null, sm = 'soundManager', smc = sm + ': ', h5 = 'HTML5::', id, ua = navigator.userAgent, wl = window.location.href.toString(), doc = document, doNothing, setProperties, init, fV, on_queue = [], debugOpen = true, debugTS, didAppend = false, appendSuccess = false, didInit = false, disabled = false, windowLoaded = false, _wDS, wdCount = 0, initComplete, mixin, assign, extraOptions, addOnEvent, processOnEvents, initUserOnload, delayWaitForEI, waitForEI, rebootIntoHTML5, setVersionInfo, handleFocus, strings, initMovie, preInit, domContentLoaded, winOnLoad, didDCLoaded, getDocument, createMovie, catchError, setPolling, initDebug, debugLevels = ['log', 'info', 'warn', 'error'], defaultFlashVersion = 8, disableObject, failSafely, normalizeMovieURL, oRemoved = null, oRemovedHTML = null, str, flashBlockHandler, getSWFCSS, swfCSS, toggleDebug, loopFix, policyFix, complain, idCheck, waitingForEI = false, initPending = false, startTimer, stopTimer, timerExecute, h5TimerCount = 0, h5IntervalTimer = null, parseURL, messages = [],
    canIgnoreFlash, needsFlash = null, featureCheck, html5OK, html5CanPlay, html5Ext, html5Unload, domContentLoadedIE, testHTML5, event, slice = Array.prototype.slice, useGlobalHTML5Audio = false, lastGlobalHTML5URL, hasFlash, detectFlash, badSafariFix, html5_events, showSupport, flushMessages, wrapCallback, idCounter = 0,
    is_iDevice = ua.match(/(ipad|iphone|ipod)/i), isAndroid = ua.match(/android/i), isIE = ua.match(/msie/i), isWebkit = ua.match(/webkit/i), isSafari = (ua.match(/safari/i) && !ua.match(/chrome/i)), isOpera = (ua.match(/opera/i)),
    mobileHTML5 = (ua.match(/(mobile|pre\/|xoom)/i) || is_iDevice || isAndroid),
    isBadSafari = (!wl.match(/usehtml5audio/i) && !wl.match(/sm2\-ignorebadua/i) && isSafari && !ua.match(/silk/i) && ua.match(/OS X 10_6_([3-7])/i)), // Safari 4 and 5 (excluding Kindle Fire, "Silk") occasionally fail to load/play HTML5 audio on Snow Leopard 10.6.3 through 10.6.7 due to bug(s) in QuickTime X and/or other underlying frameworks. :/ Confirmed bug. https://bugs.webkit.org/show_bug.cgi?id=32159
    hasConsole = (window.console !== _undefined && console.log !== _undefined), isFocused = (doc.hasFocus !== _undefined?doc.hasFocus():null), tryInitOnFocus = (isSafari && (doc.hasFocus === _undefined || !doc.hasFocus())), okToDisable = !tryInitOnFocus, flashMIME = /(mp3|mp4|mpa|m4a|m4b)/i, msecScale = 1000,
    emptyURL = 'about:blank', // safe URL to unload, or load nothing from (flash 8 + most HTML5 UAs)
    emptyWAV = 'data:audio/wave;base64,/UklGRiYAAABXQVZFZm10IBAAAAABAAEARKwAAIhYAQACABAAZGF0YQIAAAD//w==', // tiny WAV for HTML5 unloading
    overHTTP = (doc.location?doc.location.protocol.match(/http/i):null),
    http = (!overHTTP ? 'http:/'+'/' : ''),
    // mp3, mp4, aac etc.
    netStreamMimeTypes = /^\s*audio\/(?:x-)?(?:mpeg4|aac|flv|mov|mp4||m4v|m4a|m4b|mp4v|3gp|3g2)\s*(?:$|;)/i,
    // Flash v9.0r115+ "moviestar" formats
    netStreamTypes = ['mpeg4', 'aac', 'flv', 'mov', 'mp4', 'm4v', 'f4v', 'm4a', 'm4b', 'mp4v', '3gp', '3g2'],
    netStreamPattern = new RegExp('\\.(' + netStreamTypes.join('|') + ')(\\?.*)?$', 'i');
  
    this.mimePattern = /^\s*audio\/(?:x-)?(?:mp(?:eg|3))\s*(?:$|;)/i; // default mp3 set
  
    // use altURL if not "online"
    this.useAltURL = !overHTTP;
  
    swfCSS = {
  
      'swfBox': 'sm2-object-box',
      'swfDefault': 'movieContainer',
      'swfError': 'swf_error', // SWF loaded, but SM2 couldn't start (other error)
      'swfTimedout': 'swf_timedout',
      'swfLoaded': 'swf_loaded',
      'swfUnblocked': 'swf_unblocked', // or loaded OK
      'sm2Debug': 'sm2_debug',
      'highPerf': 'high_performance',
      'flashDebug': 'flash_debug'
  
    };
  
    /**
     * basic HTML5 Audio() support test
     * try...catch because of IE 9 "not implemented" nonsense
     * https://github.com/Modernizr/Modernizr/issues/224
     */
  
    this.hasHTML5 = (function() {
      try {
        // new Audio(null) for stupid Opera 9.64 case, which throws not_enough_arguments exception otherwise.
        return (Audio !== _undefined && (isOpera && opera !== _undefined && opera.version() < 10 ? new Audio(null) : new Audio()).canPlayType !== _undefined);
      } catch(e) {
        return false;
      }
    }());
  
    /**
     * Public SoundManager API
     * -----------------------
     */
  
    /**
     * Configures top-level soundManager properties.
     *
     * @param {object} options Option parameters, eg. { flashVersion: 9, url: '/path/to/swfs/' }
     * onready and ontimeout are also accepted parameters. call soundManager.setup() to see the full list.
     */
  
    this.setup = function(options) {
  
      var noURL = (!sm2.url);
  
      // warn if flash options have already been applied
  
      if (options !== _undefined && didInit && needsFlash && sm2.ok() && (options.flashVersion !== _undefined || options.url !== _undefined || options.html5Test !== _undefined)) {
        complain(str('setupLate'));
      }
  
      // TODO: defer: true?
  
      assign(options);
  
      // special case 1: "Late setup". SM2 loaded normally, but user didn't assign flash URL eg., setup({url:...}) before SM2 init. Treat as delayed init.
  
      if (options) {
  
        if (noURL && didDCLoaded && options.url !== _undefined) {
          sm2.beginDelayedInit();
        }
  
        // special case 2: If lazy-loading SM2 (DOMContentLoaded has already happened) and user calls setup() with url: parameter, try to init ASAP.
  
        if (!didDCLoaded && options.url !== _undefined && doc.readyState === 'complete') {
          setTimeout(domContentLoaded, 1);
        }
  
      }
  
      return sm2;
  
    };
  
    this.ok = function() {
  
      return (needsFlash ? (didInit && !disabled) : (sm2.useHTML5Audio && sm2.hasHTML5));
  
    };
  
    this.supported = this.ok; // legacy
  
    this.getMovie = function(smID) {
  
      // safety net: some old browsers differ on SWF references, possibly related to ExternalInterface / flash version
      return id(smID) || doc[smID] || window[smID];
  
    };
  
    /**
     * Creates a SMSound sound object instance.
     *
     * @param {object} oOptions Sound options (at minimum, id and url parameters are required.)
     * @return {object} SMSound The new SMSound object.
     */
  
    this.createSound = function(oOptions, _url) {
  
      var cs, cs_string, options, oSound = null;
  
      // <d>
      cs = sm + '.createSound(): ';
      cs_string = cs + str(!didInit?'notReady':'notOK');
      // </d>
  
      if (!didInit || !sm2.ok()) {
        complain(cs_string);
        return false;
      }
  
      if (_url !== _undefined) {
        // function overloading in JS! :) ..assume simple createSound(id, url) use case
        oOptions = {
          'id': oOptions,
          'url': _url
        };
      }
  
      // inherit from defaultOptions
      options = mixin(oOptions);
  
      options.url = parseURL(options.url);
  
      // generate an id, if needed.
      if (options.id === undefined) {
        options.id = sm2.setupOptions.idPrefix + (idCounter++);
      }
  
      // <d>
      if (options.id.toString().charAt(0).match(/^[0-9]$/)) {
        sm2._wD(cs + str('badID', options.id), 2);
      }
  
      sm2._wD(cs + options.id + (options.url ? ' (' + options.url + ')' : ''), 1);
      // </d>
  
      if (idCheck(options.id, true)) {
        sm2._wD(cs + options.id + ' exists', 1);
        return sm2.sounds[options.id];
      }
  
      function make() {
  
        options = loopFix(options);
        sm2.sounds[options.id] = new SMSound(options);
        sm2.soundIDs.push(options.id);
        return sm2.sounds[options.id];
  
      }
  
      if (html5OK(options)) {
  
        oSound = make();
        sm2._wD(options.id + ': Using HTML5');
        oSound._setup_html5(options);
  
      } else {
  
        if (sm2.html5Only) {
          sm2._wD(options.id + ': No HTML5 support for this sound, and no Flash. Exiting.');
          return make();
        }
  
        // TODO: Move HTML5/flash checks into generic URL parsing/handling function.
  
        if (sm2.html5.usingFlash && options.url && options.url.match(/data\:/i)) {
          // data: URIs not supported by Flash, either.
          sm2._wD(options.id + ': data: URIs not supported via Flash. Exiting.');
          return make();
        }
  
        if (fV > 8) {
          if (options.isMovieStar === null) {
            // attempt to detect MPEG-4 formats
            options.isMovieStar = !!(options.serverURL || (options.type ? options.type.match(netStreamMimeTypes) : false) || (options.url && options.url.match(netStreamPattern)));
          }
          // <d>
          if (options.isMovieStar) {
            sm2._wD(cs + 'using MovieStar handling');
            if (options.loops > 1) {
              _wDS('noNSLoop');
            }
          }
          // </d>
        }
  
        options = policyFix(options, cs);
        oSound = make();
  
        if (fV === 8) {
          flash._createSound(options.id, options.loops||1, options.usePolicyFile);
        } else {
          flash._createSound(options.id, options.url, options.usePeakData, options.useWaveformData, options.useEQData, options.isMovieStar, (options.isMovieStar?options.bufferTime:false), options.loops||1, options.serverURL, options.duration||null, options.autoPlay, true, options.autoLoad, options.usePolicyFile);
          if (!options.serverURL) {
            // We are connected immediately
            oSound.connected = true;
            if (options.onconnect) {
              options.onconnect.apply(oSound);
            }
          }
        }
  
        if (!options.serverURL && (options.autoLoad || options.autoPlay)) {
          // call load for non-rtmp streams
          oSound.load(options);
        }
  
      }
  
      // rtmp will play in onconnect
      if (!options.serverURL && options.autoPlay) {
        oSound.play();
      }
  
      return oSound;
  
    };
  
    /**
     * Destroys a SMSound sound object instance.
     *
     * @param {string} sID The ID of the sound to destroy
     */
  
    this.destroySound = function(sID, _bFromSound) {
  
      // explicitly destroy a sound before normal page unload, etc.
  
      if (!idCheck(sID)) {
        return false;
      }
  
      var oS = sm2.sounds[sID], i;
  
      // Disable all callbacks while the sound is being destroyed
      oS._iO = {};
  
      oS.stop();
      oS.unload();
  
      for (i = 0; i < sm2.soundIDs.length; i++) {
        if (sm2.soundIDs[i] === sID) {
          sm2.soundIDs.splice(i, 1);
          break;
        }
      }
  
      if (!_bFromSound) {
        // ignore if being called from SMSound instance
        oS.destruct(true);
      }
  
      oS = null;
      delete sm2.sounds[sID];
  
      return true;
  
    };
  
    /**
     * Calls the load() method of a SMSound object by ID.
     *
     * @param {string} sID The ID of the sound
     * @param {object} oOptions Optional: Sound options
     */
  
    this.load = function(sID, oOptions) {
  
      if (!idCheck(sID)) {
        return false;
      }
      return sm2.sounds[sID].load(oOptions);
  
    };
  
    /**
     * Calls the unload() method of a SMSound object by ID.
     *
     * @param {string} sID The ID of the sound
     */
  
    this.unload = function(sID) {
  
      if (!idCheck(sID)) {
        return false;
      }
      return sm2.sounds[sID].unload();
  
    };
  
    /**
     * Calls the onPosition() method of a SMSound object by ID.
     *
     * @param {string} sID The ID of the sound
     * @param {number} nPosition The position to watch for
     * @param {function} oMethod The relevant callback to fire
     * @param {object} oScope Optional: The scope to apply the callback to
     * @return {SMSound} The SMSound object
     */
  
    this.onPosition = function(sID, nPosition, oMethod, oScope) {
  
      if (!idCheck(sID)) {
        return false;
      }
      return sm2.sounds[sID].onposition(nPosition, oMethod, oScope);
  
    };
  
    // legacy/backwards-compability: lower-case method name
    this.onposition = this.onPosition;
  
    /**
     * Calls the clearOnPosition() method of a SMSound object by ID.
     *
     * @param {string} sID The ID of the sound
     * @param {number} nPosition The position to watch for
     * @param {function} oMethod Optional: The relevant callback to fire
     * @return {SMSound} The SMSound object
     */
  
    this.clearOnPosition = function(sID, nPosition, oMethod) {
  
      if (!idCheck(sID)) {
        return false;
      }
      return sm2.sounds[sID].clearOnPosition(nPosition, oMethod);
  
    };
  
    /**
     * Calls the play() method of a SMSound object by ID.
     *
     * @param {string} sID The ID of the sound
     * @param {object} oOptions Optional: Sound options
     * @return {SMSound} The SMSound object
     */
  
    this.play = function(sID, oOptions) {
  
      var result = null,
          // legacy function-overloading use case: play('mySound', '/path/to/some.mp3');
          overloaded = (oOptions && !(oOptions instanceof Object));
  
      if (!didInit || !sm2.ok()) {
        complain(sm + '.play(): ' + str(!didInit?'notReady':'notOK'));
        return false;
      }
  
      if (!idCheck(sID, overloaded)) {
  
        if (!overloaded) {
          // no sound found for the given ID. Bail.
          return false;
        }
  
        if (overloaded) {
          oOptions = {
            url: oOptions
          };
        }
  
        if (oOptions && oOptions.url) {
          // overloading use case, create+play: .play('someID', {url:'/path/to.mp3'});
          sm2._wD(sm + '.play(): Attempting to create "' + sID + '"', 1);
          oOptions.id = sID;
          result = sm2.createSound(oOptions).play();
        }
  
      } else if (overloaded) {
  
        // existing sound object case
        oOptions = {
          url: oOptions
        };
  
      }
  
      if (result === null) {
        // default case
        result = sm2.sounds[sID].play(oOptions);
      }
  
      return result;
  
    };
  
    this.start = this.play; // just for convenience
  
    /**
     * Calls the setPosition() method of a SMSound object by ID.
     *
     * @param {string} sID The ID of the sound
     * @param {number} nMsecOffset Position (milliseconds)
     * @return {SMSound} The SMSound object
     */
  
    this.setPosition = function(sID, nMsecOffset) {
  
      if (!idCheck(sID)) {
        return false;
      }
      return sm2.sounds[sID].setPosition(nMsecOffset);
  
    };
  
    /**
     * Calls the stop() method of a SMSound object by ID.
     *
     * @param {string} sID The ID of the sound
     * @return {SMSound} The SMSound object
     */
  
    this.stop = function(sID) {
  
      if (!idCheck(sID)) {
        return false;
      }
  
      sm2._wD(sm + '.stop(' + sID + ')', 1);
      return sm2.sounds[sID].stop();
  
    };
  
    /**
     * Stops all currently-playing sounds.
     */
  
    this.stopAll = function() {
  
      var oSound;
      sm2._wD(sm + '.stopAll()', 1);
  
      for (oSound in sm2.sounds) {
        if (sm2.sounds.hasOwnProperty(oSound)) {
          // apply only to sound objects
          sm2.sounds[oSound].stop();
        }
      }
  
    };
  
    /**
     * Calls the pause() method of a SMSound object by ID.
     *
     * @param {string} sID The ID of the sound
     * @return {SMSound} The SMSound object
     */
  
    this.pause = function(sID) {
  
      if (!idCheck(sID)) {
        return false;
      }
      return sm2.sounds[sID].pause();
  
    };
  
    /**
     * Pauses all currently-playing sounds.
     */
  
    this.pauseAll = function() {
  
      var i;
      for (i = sm2.soundIDs.length-1; i >= 0; i--) {
        sm2.sounds[sm2.soundIDs[i]].pause();
      }
  
    };
  
    /**
     * Calls the resume() method of a SMSound object by ID.
     *
     * @param {string} sID The ID of the sound
     * @return {SMSound} The SMSound object
     */
  
    this.resume = function(sID) {
  
      if (!idCheck(sID)) {
        return false;
      }
      return sm2.sounds[sID].resume();
  
    };
  
    /**
     * Resumes all currently-paused sounds.
     */
  
    this.resumeAll = function() {
  
      var i;
      for (i = sm2.soundIDs.length-1; i >= 0; i--) {
        sm2.sounds[sm2.soundIDs[i]].resume();
      }
  
    };
  
    /**
     * Calls the togglePause() method of a SMSound object by ID.
     *
     * @param {string} sID The ID of the sound
     * @return {SMSound} The SMSound object
     */
  
    this.togglePause = function(sID) {
  
      if (!idCheck(sID)) {
        return false;
      }
      return sm2.sounds[sID].togglePause();
  
    };
  
    /**
     * Calls the setPan() method of a SMSound object by ID.
     *
     * @param {string} sID The ID of the sound
     * @param {number} nPan The pan value (-100 to 100)
     * @return {SMSound} The SMSound object
     */
  
    this.setPan = function(sID, nPan) {
  
      if (!idCheck(sID)) {
        return false;
      }
      return sm2.sounds[sID].setPan(nPan);
  
    };
  
    /**
     * Calls the setVolume() method of a SMSound object by ID.
     *
     * @param {string} sID The ID of the sound
     * @param {number} nVol The volume value (0 to 100)
     * @return {SMSound} The SMSound object
     */
  
    this.setVolume = function(sID, nVol) {
  
      if (!idCheck(sID)) {
        return false;
      }
      return sm2.sounds[sID].setVolume(nVol);
  
    };
  
    /**
     * Calls the mute() method of either a single SMSound object by ID, or all sound objects.
     *
     * @param {string} sID Optional: The ID of the sound (if omitted, all sounds will be used.)
     */
  
    this.mute = function(sID) {
  
      var i = 0;
  
      if (sID instanceof String) {
        sID = null;
      }
  
      if (!sID) {
  
        sm2._wD(sm + '.mute(): Muting all sounds');
        for (i = sm2.soundIDs.length-1; i >= 0; i--) {
          sm2.sounds[sm2.soundIDs[i]].mute();
        }
        sm2.muted = true;
  
      } else {
  
        if (!idCheck(sID)) {
          return false;
        }
        sm2._wD(sm + '.mute(): Muting "' + sID + '"');
        return sm2.sounds[sID].mute();
  
      }
  
      return true;
  
    };
  
    /**
     * Mutes all sounds.
     */
  
    this.muteAll = function() {
  
      sm2.mute();
  
    };
  
    /**
     * Calls the unmute() method of either a single SMSound object by ID, or all sound objects.
     *
     * @param {string} sID Optional: The ID of the sound (if omitted, all sounds will be used.)
     */
  
    this.unmute = function(sID) {
  
      var i;
  
      if (sID instanceof String) {
        sID = null;
      }
  
      if (!sID) {
  
        sm2._wD(sm + '.unmute(): Unmuting all sounds');
        for (i = sm2.soundIDs.length-1; i >= 0; i--) {
          sm2.sounds[sm2.soundIDs[i]].unmute();
        }
        sm2.muted = false;
  
      } else {
  
        if (!idCheck(sID)) {
          return false;
        }
        sm2._wD(sm + '.unmute(): Unmuting "' + sID + '"');
        return sm2.sounds[sID].unmute();
  
      }
  
      return true;
  
    };
  
    /**
     * Unmutes all sounds.
     */
  
    this.unmuteAll = function() {
  
      sm2.unmute();
  
    };
  
    /**
     * Calls the toggleMute() method of a SMSound object by ID.
     *
     * @param {string} sID The ID of the sound
     * @return {SMSound} The SMSound object
     */
  
    this.toggleMute = function(sID) {
  
      if (!idCheck(sID)) {
        return false;
      }
      return sm2.sounds[sID].toggleMute();
  
    };
  
    /**
     * Retrieves the memory used by the flash plugin.
     *
     * @return {number} The amount of memory in use
     */
  
    this.getMemoryUse = function() {
  
      // flash-only
      var ram = 0;
  
      if (flash && fV !== 8) {
        ram = parseInt(flash._getMemoryUse(), 10);
      }
  
      return ram;
  
    };
  
    /**
     * Undocumented: NOPs soundManager and all SMSound objects.
     */
  
    this.disable = function(bNoDisable) {
  
      // destroy all functions
      var i;
  
      if (bNoDisable === _undefined) {
        bNoDisable = false;
      }
  
      if (disabled) {
        return false;
      }
  
      disabled = true;
      _wDS('shutdown', 1);
  
      for (i = sm2.soundIDs.length-1; i >= 0; i--) {
        disableObject(sm2.sounds[sm2.soundIDs[i]]);
      }
  
      // fire "complete", despite fail
      initComplete(bNoDisable);
      event.remove(window, 'load', initUserOnload);
  
      return true;
  
    };
  
    /**
     * Determines playability of a MIME type, eg. 'audio/mp3'.
     */
  
    this.canPlayMIME = function(sMIME) {
  
      var result;
  
      if (sm2.hasHTML5) {
        result = html5CanPlay({type:sMIME});
      }
  
      if (!result && needsFlash) {
        // if flash 9, test netStream (movieStar) types as well.
        result = (sMIME && sm2.ok() ? !!((fV > 8 ? sMIME.match(netStreamMimeTypes) : null) || sMIME.match(sm2.mimePattern)) : null); // TODO: make less "weird" (per JSLint)
      }
  
      return result;
  
    };
  
    /**
     * Determines playability of a URL based on audio support.
     *
     * @param {string} sURL The URL to test
     * @return {boolean} URL playability
     */
  
    this.canPlayURL = function(sURL) {
  
      var result;
  
      if (sm2.hasHTML5) {
        result = html5CanPlay({url: sURL});
      }
  
      if (!result && needsFlash) {
        result = (sURL && sm2.ok() ? !!(sURL.match(sm2.filePattern)) : null);
      }
  
      return result;
  
    };
  
    /**
     * Determines playability of an HTML DOM &lt;a&gt; object (or similar object literal) based on audio support.
     *
     * @param {object} oLink an HTML DOM &lt;a&gt; object or object literal including href and/or type attributes
     * @return {boolean} URL playability
     */
  
    this.canPlayLink = function(oLink) {
  
      if (oLink.type !== _undefined && oLink.type) {
        if (sm2.canPlayMIME(oLink.type)) {
          return true;
        }
      }
  
      return sm2.canPlayURL(oLink.href);
  
    };
  
    /**
     * Retrieves a SMSound object by ID.
     *
     * @param {string} sID The ID of the sound
     * @return {SMSound} The SMSound object
     */
  
    this.getSoundById = function(sID, _suppressDebug) {
  
      if (!sID) {
        return null;
      }
  
      var result = sm2.sounds[sID];
  
      // <d>
      if (!result && !_suppressDebug) {
        sm2._wD(sm + '.getSoundById(): Sound "' + sID + '" not found.', 2);
      }
      // </d>
  
      return result;
  
    };
  
    /**
     * Queues a callback for execution when SoundManager has successfully initialized.
     *
     * @param {function} oMethod The callback method to fire
     * @param {object} oScope Optional: The scope to apply to the callback
     */
  
    this.onready = function(oMethod, oScope) {
  
      var sType = 'onready',
          result = false;
  
      if (typeof oMethod === 'function') {
  
        // <d>
        if (didInit) {
          sm2._wD(str('queue', sType));
        }
        // </d>
  
        if (!oScope) {
          oScope = window;
        }
  
        addOnEvent(sType, oMethod, oScope);
        processOnEvents();
  
        result = true;
  
      } else {
  
        throw str('needFunction', sType);
  
      }
  
      return result;
  
    };
  
    /**
     * Queues a callback for execution when SoundManager has failed to initialize.
     *
     * @param {function} oMethod The callback method to fire
     * @param {object} oScope Optional: The scope to apply to the callback
     */
  
    this.ontimeout = function(oMethod, oScope) {
  
      var sType = 'ontimeout',
          result = false;
  
      if (typeof oMethod === 'function') {
  
        // <d>
        if (didInit) {
          sm2._wD(str('queue', sType));
        }
        // </d>
  
        if (!oScope) {
          oScope = window;
        }
  
        addOnEvent(sType, oMethod, oScope);
        processOnEvents({type:sType});
  
        result = true;
  
      } else {
  
        throw str('needFunction', sType);
  
      }
  
      return result;
  
    };
  
    /**
     * Writes console.log()-style debug output to a console or in-browser element.
     * Applies when debugMode = true
     *
     * @param {string} sText The console message
     * @param {object} nType Optional log level (number), or object. Number case: Log type/style where 0 = 'info', 1 = 'warn', 2 = 'error'. Object case: Object to be dumped.
     */
  
    this._writeDebug = function(sText, sTypeOrObject) {
  
      // pseudo-private console.log()-style output
      // <d>
  
      var sDID = 'soundmanager-debug', o, oItem;
  
      if (!sm2.debugMode) {
        return false;
      }
  
      if (hasConsole && sm2.useConsole) {
        if (sTypeOrObject && typeof sTypeOrObject === 'object') {
          // object passed; dump to console.
          console.log(sText, sTypeOrObject);
        } else if (debugLevels[sTypeOrObject] !== _undefined) {
          console[debugLevels[sTypeOrObject]](sText);
        } else {
          console.log(sText);
        }
        if (sm2.consoleOnly) {
          return true;
        }
      }
  
      o = id(sDID);
  
      if (!o) {
        return false;
      }
  
      oItem = doc.createElement('div');
  
      if (++wdCount % 2 === 0) {
        oItem.className = 'sm2-alt';
      }
  
      if (sTypeOrObject === _undefined) {
        sTypeOrObject = 0;
      } else {
        sTypeOrObject = parseInt(sTypeOrObject, 10);
      }
  
      oItem.appendChild(doc.createTextNode(sText));
  
      if (sTypeOrObject) {
        if (sTypeOrObject >= 2) {
          oItem.style.fontWeight = 'bold';
        }
        if (sTypeOrObject === 3) {
          oItem.style.color = '#ff3333';
        }
      }
  
      // top-to-bottom
      // o.appendChild(oItem);
  
      // bottom-to-top
      o.insertBefore(oItem, o.firstChild);
  
      o = null;
      // </d>
  
      return true;
  
    };
  
    // <d>
    // last-resort debugging option
    if (wl.indexOf('sm2-debug=alert') !== -1) {
      this._writeDebug = function(sText) {
        window.alert(sText);
      };
    }
    // </d>
  
    // alias
    this._wD = this._writeDebug;
  
    /**
     * Provides debug / state information on all SMSound objects.
     */
  
    this._debug = function() {
  
      // <d>
      var i, j;
      _wDS('currentObj', 1);
  
      for (i = 0, j = sm2.soundIDs.length; i < j; i++) {
        sm2.sounds[sm2.soundIDs[i]]._debug();
      }
      // </d>
  
    };
  
    /**
     * Restarts and re-initializes the SoundManager instance.
     *
     * @param {boolean} resetEvents Optional: When true, removes all registered onready and ontimeout event callbacks.
     * @param {boolean} excludeInit Options: When true, does not call beginDelayedInit() (which would restart SM2).
     * @return {object} soundManager The soundManager instance.
     */
  
    this.reboot = function(resetEvents, excludeInit) {
  
      // reset some (or all) state, and re-init unless otherwise specified.
  
      // <d>
      if (sm2.soundIDs.length) {
        sm2._wD('Destroying ' + sm2.soundIDs.length + ' SMSound object' + (sm2.soundIDs.length !== 1 ? 's' : '') + '...');
      }
      // </d>
  
      var i, j, k;
  
      for (i = sm2.soundIDs.length-1; i >= 0; i--) {
        sm2.sounds[sm2.soundIDs[i]].destruct();
      }
  
      // trash ze flash (remove from the DOM)
  
      if (flash) {
  
        try {
  
          if (isIE) {
            oRemovedHTML = flash.innerHTML;
          }
  
          oRemoved = flash.parentNode.removeChild(flash);
  
        } catch(e) {
  
          // Remove failed? May be due to flash blockers silently removing the SWF object/embed node from the DOM. Warn and continue.
  
          _wDS('badRemove', 2);
  
        }
  
      }
  
      // actually, force recreate of movie.
  
      oRemovedHTML = oRemoved = needsFlash = flash = null;
  
      sm2.enabled = didDCLoaded = didInit = waitingForEI = initPending = didAppend = appendSuccess = disabled = useGlobalHTML5Audio = sm2.swfLoaded = false;
  
      sm2.soundIDs = [];
      sm2.sounds = {};
  
      idCounter = 0;
  
      if (!resetEvents) {
        // reset callbacks for onready, ontimeout etc. so that they will fire again on re-init
        for (i in on_queue) {
          if (on_queue.hasOwnProperty(i)) {
            for (j = 0, k = on_queue[i].length; j < k; j++) {
              on_queue[i][j].fired = false;
            }
          }
        }
      } else {
        // remove all callbacks entirely
        on_queue = [];
      }
  
      // <d>
      if (!excludeInit) {
        sm2._wD(sm + ': Rebooting...');
      }
      // </d>
  
      // reset HTML5 and flash canPlay test results
  
      sm2.html5 = {
        'usingFlash': null
      };
  
      sm2.flash = {};
  
      // reset device-specific HTML/flash mode switches
  
      sm2.html5Only = false;
      sm2.ignoreFlash = false;
  
      window.setTimeout(function() {
  
        preInit();
  
        // by default, re-init
  
        if (!excludeInit) {
          sm2.beginDelayedInit();
        }
  
      }, 20);
  
      return sm2;
  
    };
  
    this.reset = function() {
  
      /**
       * Shuts down and restores the SoundManager instance to its original loaded state, without an explicit reboot. All onready/ontimeout handlers are removed.
       * After this call, SM2 may be re-initialized via soundManager.beginDelayedInit().
       * @return {object} soundManager The soundManager instance.
       */
  
      _wDS('reset');
      return sm2.reboot(true, true);
  
    };
  
    /**
     * Undocumented: Determines the SM2 flash movie's load progress.
     *
     * @return {number or null} Percent loaded, or if invalid/unsupported, null.
     */
  
    this.getMoviePercent = function() {
  
      /**
       * Interesting syntax notes...
       * Flash/ExternalInterface (ActiveX/NPAPI) bridge methods are not typeof "function" nor instanceof Function, but are still valid.
       * Additionally, JSLint dislikes ('PercentLoaded' in flash)-style syntax and recommends hasOwnProperty(), which does not work in this case.
       * Furthermore, using (flash && flash.PercentLoaded) causes IE to throw "object doesn't support this property or method".
       * Thus, 'in' syntax must be used.
       */
  
      return (flash && 'PercentLoaded' in flash ? flash.PercentLoaded() : null); // Yes, JSLint. See nearby comment in source for explanation.
  
    };
  
    /**
     * Additional helper for manually invoking SM2's init process after DOM Ready / window.onload().
     */
  
    this.beginDelayedInit = function() {
  
      windowLoaded = true;
      domContentLoaded();
  
      setTimeout(function() {
  
        if (initPending) {
          return false;
        }
  
        createMovie();
        initMovie();
        initPending = true;
  
        return true;
  
      }, 20);
  
      delayWaitForEI();
  
    };
  
    /**
     * Destroys the SoundManager instance and all SMSound instances.
     */
  
    this.destruct = function() {
  
      sm2._wD(sm + '.destruct()');
      sm2.disable(true);
  
    };
  
    /**
     * SMSound() (sound object) constructor
     * ------------------------------------
     *
     * @param {object} oOptions Sound options (id and url are required attributes)
     * @return {SMSound} The new SMSound object
     */
  
    SMSound = function(oOptions) {
  
      var s = this, resetProperties, add_html5_events, remove_html5_events, stop_html5_timer, start_html5_timer, attachOnPosition, onplay_called = false, onPositionItems = [], onPositionFired = 0, detachOnPosition, applyFromTo, lastURL = null, lastHTML5State, urlOmitted;
  
      lastHTML5State = {
        // tracks duration + position (time)
        duration: null,
        time: null
      };
  
      this.id = oOptions.id;
  
      // legacy
      this.sID = this.id;
  
      this.url = oOptions.url;
      this.options = mixin(oOptions);
  
      // per-play-instance-specific options
      this.instanceOptions = this.options;
  
      // short alias
      this._iO = this.instanceOptions;
  
      // assign property defaults
      this.pan = this.options.pan;
      this.volume = this.options.volume;
  
      // whether or not this object is using HTML5
      this.isHTML5 = false;
  
      // internal HTML5 Audio() object reference
      this._a = null;
  
      // for flash 8 special-case createSound() without url, followed by load/play with url case
      urlOmitted = (this.url ? false : true);
  
      /**
       * SMSound() public methods
       * ------------------------
       */
  
      this.id3 = {};
  
      /**
       * Writes SMSound object parameters to debug console
       */
  
      this._debug = function() {
  
        // <d>
        sm2._wD(s.id + ': Merged options:', s.options);
        // </d>
  
      };
  
      /**
       * Begins loading a sound per its *url*.
       *
       * @param {object} oOptions Optional: Sound options
       * @return {SMSound} The SMSound object
       */
  
      this.load = function(oOptions) {
  
        var oSound = null, instanceOptions;
  
        if (oOptions !== _undefined) {
          s._iO = mixin(oOptions, s.options);
        } else {
          oOptions = s.options;
          s._iO = oOptions;
          if (lastURL && lastURL !== s.url) {
            _wDS('manURL');
            s._iO.url = s.url;
            s.url = null;
          }
        }
  
        if (!s._iO.url) {
          s._iO.url = s.url;
        }
  
        s._iO.url = parseURL(s._iO.url);
  
        // ensure we're in sync
        s.instanceOptions = s._iO;
  
        // local shortcut
        instanceOptions = s._iO;
  
        sm2._wD(s.id + ': load (' + instanceOptions.url + ')');
  
        if (!instanceOptions.url && !s.url) {
          sm2._wD(s.id + ': load(): url is unassigned. Exiting.', 2);
          return s;
        }
  
        // <d>
        if (!s.isHTML5 && fV === 8 && !s.url && !instanceOptions.autoPlay) {
          // flash 8 load() -> play() won't work before onload has fired.
          sm2._wD(s.id + ': Flash 8 load() limitation: Wait for onload() before calling play().', 1);
        }
        // </d>
  
        if (instanceOptions.url === s.url && s.readyState !== 0 && s.readyState !== 2) {
          _wDS('onURL', 1);
          // if loaded and an onload() exists, fire immediately.
          if (s.readyState === 3 && instanceOptions.onload) {
            // assume success based on truthy duration.
            wrapCallback(s, function() {
              instanceOptions.onload.apply(s, [(!!s.duration)]);
            });
          }
          return s;
        }
  
        // reset a few state properties
  
        s.loaded = false;
        s.readyState = 1;
        s.playState = 0;
        s.id3 = {};
  
        // TODO: If switching from HTML5 -> flash (or vice versa), stop currently-playing audio.
  
        if (html5OK(instanceOptions)) {
  
          oSound = s._setup_html5(instanceOptions);
  
          if (!oSound._called_load) {
  
            s._html5_canplay = false;
  
            // TODO: review called_load / html5_canplay logic
  
            // if url provided directly to load(), assign it here.
  
            if (s.url !== instanceOptions.url) {
  
              sm2._wD(_wDS('manURL') + ': ' + instanceOptions.url);
  
              s._a.src = instanceOptions.url;
  
              // TODO: review / re-apply all relevant options (volume, loop, onposition etc.)
  
              // reset position for new URL
              s.setPosition(0);
  
            }
  
            // given explicit load call, try to preload.
  
            // early HTML5 implementation (non-standard)
            s._a.autobuffer = 'auto';
  
            // standard property, values: none / metadata / auto
            // reference: http://msdn.microsoft.com/en-us/library/ie/ff974759%28v=vs.85%29.aspx
            s._a.preload = 'auto';
  
            s._a._called_load = true;
  
          } else {
  
            sm2._wD(s.id + ': Ignoring request to load again');
  
          }
  
        } else {
  
          if (sm2.html5Only) {
            sm2._wD(s.id + ': No flash support. Exiting.');
            return s;
          }
  
          if (s._iO.url && s._iO.url.match(/data\:/i)) {
            // data: URIs not supported by Flash, either.
            sm2._wD(s.id + ': data: URIs not supported via Flash. Exiting.');
            return s;
          }
  
          try {
            s.isHTML5 = false;
            s._iO = policyFix(loopFix(instanceOptions));
            // re-assign local shortcut
            instanceOptions = s._iO;
            if (fV === 8) {
              flash._load(s.id, instanceOptions.url, instanceOptions.stream, instanceOptions.autoPlay, instanceOptions.usePolicyFile);
            } else {
              flash._load(s.id, instanceOptions.url, !!(instanceOptions.stream), !!(instanceOptions.autoPlay), instanceOptions.loops||1, !!(instanceOptions.autoLoad), instanceOptions.usePolicyFile);
            }
          } catch(e) {
            _wDS('smError', 2);
            debugTS('onload', false);
            catchError({type:'SMSOUND_LOAD_JS_EXCEPTION', fatal:true});
          }
  
        }
  
        // after all of this, ensure sound url is up to date.
        s.url = instanceOptions.url;
  
        return s;
  
      };
  
      /**
       * Unloads a sound, canceling any open HTTP requests.
       *
       * @return {SMSound} The SMSound object
       */
  
      this.unload = function() {
  
        // Flash 8/AS2 can't "close" a stream - fake it by loading an empty URL
        // Flash 9/AS3: Close stream, preventing further load
        // HTML5: Most UAs will use empty URL
  
        if (s.readyState !== 0) {
  
          sm2._wD(s.id + ': unload()');
  
          if (!s.isHTML5) {
  
            if (fV === 8) {
              flash._unload(s.id, emptyURL);
            } else {
              flash._unload(s.id);
            }
  
          } else {
  
            stop_html5_timer();
  
            if (s._a) {
  
              s._a.pause();
  
              // update empty URL, too
              lastURL = html5Unload(s._a);
  
            }
  
          }
  
          // reset load/status flags
          resetProperties();
  
        }
  
        return s;
  
      };
  
      /**
       * Unloads and destroys a sound.
       */
  
      this.destruct = function(_bFromSM) {
  
        sm2._wD(s.id + ': Destruct');
  
        if (!s.isHTML5) {
  
          // kill sound within Flash
          // Disable the onfailure handler
          s._iO.onfailure = null;
          flash._destroySound(s.id);
  
        } else {
  
          stop_html5_timer();
  
          if (s._a) {
            s._a.pause();
            html5Unload(s._a);
            if (!useGlobalHTML5Audio) {
              remove_html5_events();
            }
            // break obvious circular reference
            s._a._s = null;
            s._a = null;
          }
  
        }
  
        if (!_bFromSM) {
          // ensure deletion from controller
          sm2.destroySound(s.id, true);
        }
  
      };
  
      /**
       * Begins playing a sound.
       *
       * @param {object} oOptions Optional: Sound options
       * @return {SMSound} The SMSound object
       */
  
      this.play = function(oOptions, _updatePlayState) {
  
        var fN, allowMulti, a, onready,
            audioClone, onended, oncanplay,
            startOK = true,
            exit = null;
  
        // <d>
        fN = s.id + ': play(): ';
        // </d>
  
        // default to true
        _updatePlayState = (_updatePlayState === _undefined ? true : _updatePlayState);
  
        if (!oOptions) {
          oOptions = {};
        }
  
        // first, use local URL (if specified)
        if (s.url) {
          s._iO.url = s.url;
        }
  
        // mix in any options defined at createSound()
        s._iO = mixin(s._iO, s.options);
  
        // mix in any options specific to this method
        s._iO = mixin(oOptions, s._iO);
  
        s._iO.url = parseURL(s._iO.url);
  
        s.instanceOptions = s._iO;
  
        // RTMP-only
        if (!s.isHTML5 && s._iO.serverURL && !s.connected) {
          if (!s.getAutoPlay()) {
            sm2._wD(fN +' Netstream not connected yet - setting autoPlay');
            s.setAutoPlay(true);
          }
          // play will be called in onconnect()
          return s;
        }
  
        if (html5OK(s._iO)) {
          s._setup_html5(s._iO);
          start_html5_timer();
        }
  
        if (s.playState === 1 && !s.paused) {
          allowMulti = s._iO.multiShot;
          if (!allowMulti) {
            sm2._wD(fN + 'Already playing (one-shot)', 1);
            if (s.isHTML5) {
              // go back to original position.
              s.setPosition(s._iO.position);
            }
            exit = s;
          } else {
            sm2._wD(fN + 'Already playing (multi-shot)', 1);
          }
        }
  
        if (exit !== null) {
          return exit;
        }
  
        // edge case: play() with explicit URL parameter
        if (oOptions.url && oOptions.url !== s.url) {
  
          // special case for createSound() followed by load() / play() with url; avoid double-load case.
          if (!s.readyState && !s.isHTML5 && fV === 8 && urlOmitted) {
  
            urlOmitted = false;
  
          } else {
  
            // load using merged options
            s.load(s._iO);
  
          }
  
        }
  
        if (!s.loaded) {
  
          if (s.readyState === 0) {
  
            sm2._wD(fN + 'Attempting to load');
  
            // try to get this sound playing ASAP
            if (!s.isHTML5 && !sm2.html5Only) {
  
              // flash: assign directly because setAutoPlay() increments the instanceCount
              s._iO.autoPlay = true;
              s.load(s._iO);
  
            } else if (s.isHTML5) {
  
              // iOS needs this when recycling sounds, loading a new URL on an existing object.
              s.load(s._iO);
  
            } else {
  
              sm2._wD(fN + 'Unsupported type. Exiting.');
              exit = s;
  
            }
  
            // HTML5 hack - re-set instanceOptions?
            s.instanceOptions = s._iO;
  
          } else if (s.readyState === 2) {
  
            sm2._wD(fN + 'Could not load - exiting', 2);
            exit = s;
  
          } else {
  
            sm2._wD(fN + 'Loading - attempting to play...');
  
          }
  
        } else {
  
          // "play()"
          sm2._wD(fN.substr(0, fN.lastIndexOf(':')));
  
        }
  
        if (exit !== null) {
          return exit;
        }
  
        if (!s.isHTML5 && fV === 9 && s.position > 0 && s.position === s.duration) {
          // flash 9 needs a position reset if play() is called while at the end of a sound.
          sm2._wD(fN + 'Sound at end, resetting to position:0');
          oOptions.position = 0;
        }
  
        /**
         * Streams will pause when their buffer is full if they are being loaded.
         * In this case paused is true, but the song hasn't started playing yet.
         * If we just call resume() the onplay() callback will never be called.
         * So only call resume() if the position is > 0.
         * Another reason is because options like volume won't have been applied yet.
         * For normal sounds, just resume.
         */
  
        if (s.paused && s.position >= 0 && (!s._iO.serverURL || s.position > 0)) {
  
          // https://gist.github.com/37b17df75cc4d7a90bf6
          sm2._wD(fN + 'Resuming from paused state', 1);
          s.resume();
  
        } else {
  
          s._iO = mixin(oOptions, s._iO);
  
          // apply from/to parameters, if they exist (and not using RTMP)
          if (s._iO.from !== null && s._iO.to !== null && s.instanceCount === 0 && s.playState === 0 && !s._iO.serverURL) {
  
            onready = function() {
              // sound "canplay" or onload()
              // re-apply from/to to instance options, and start playback
              s._iO = mixin(oOptions, s._iO);
              s.play(s._iO);
            };
  
            // HTML5 needs to at least have "canplay" fired before seeking.
            if (s.isHTML5 && !s._html5_canplay) {
  
              // this hasn't been loaded yet. load it first, and then do this again.
              sm2._wD(fN + 'Beginning load for from/to case');
  
              s.load({
                // note: custom HTML5-only event added for from/to implementation.
                _oncanplay: onready
              });
  
              exit = false;
  
            } else if (!s.isHTML5 && !s.loaded && (!s.readyState || s.readyState !== 2)) {
  
              // to be safe, preload the whole thing in Flash.
  
              sm2._wD(fN + 'Preloading for from/to case');
  
              s.load({
                onload: onready
              });
  
              exit = false;
  
            }
  
            if (exit !== null) {
              return exit;
            }
  
            // otherwise, we're ready to go. re-apply local options, and continue
  
            s._iO = applyFromTo();
  
          }
  
          // sm2._wD(fN + 'Starting to play');
  
          // increment instance counter, where enabled + supported
          if (!s.instanceCount || s._iO.multiShotEvents || (s.isHTML5 && s._iO.multiShot && !useGlobalHTML5Audio) || (!s.isHTML5 && fV > 8 && !s.getAutoPlay())) {
            s.instanceCount++;
          }
  
          // if first play and onposition parameters exist, apply them now
          if (s._iO.onposition && s.playState === 0) {
            attachOnPosition(s);
          }
  
          s.playState = 1;
          s.paused = false;
  
          s.position = (s._iO.position !== _undefined && !isNaN(s._iO.position) ? s._iO.position : 0);
  
          if (!s.isHTML5) {
            s._iO = policyFix(loopFix(s._iO));
          }
  
          if (s._iO.onplay && _updatePlayState) {
            s._iO.onplay.apply(s);
            onplay_called = true;
          }
  
          s.setVolume(s._iO.volume, true);
          s.setPan(s._iO.pan, true);
  
          if (!s.isHTML5) {
  
            startOK = flash._start(s.id, s._iO.loops || 1, (fV === 9 ? s.position : s.position / msecScale), s._iO.multiShot || false);
  
            if (fV === 9 && !startOK) {
              // edge case: no sound hardware, or 32-channel flash ceiling hit.
              // applies only to Flash 9, non-NetStream/MovieStar sounds.
              // http://help.adobe.com/en_US/FlashPlatform/reference/actionscript/3/flash/media/Sound.html#play%28%29
              sm2._wD(fN + 'No sound hardware, or 32-sound ceiling hit', 2);
              if (s._iO.onplayerror) {
                s._iO.onplayerror.apply(s);
              }
  
            }
  
          } else {
  
            if (s.instanceCount < 2) {
  
              // HTML5 single-instance case
  
              start_html5_timer();
  
              a = s._setup_html5();
  
              s.setPosition(s._iO.position);
  
              a.play();
  
            } else {
  
              // HTML5 multi-shot case
  
              sm2._wD(s.id + ': Cloning Audio() for instance #' + s.instanceCount + '...');
  
              audioClone = new Audio(s._iO.url);
  
              onended = function() {
                event.remove(audioClone, 'ended', onended);
                s._onfinish(s);
                // cleanup
                html5Unload(audioClone);
                audioClone = null;
              };
  
              oncanplay = function() {
                event.remove(audioClone, 'canplay', oncanplay);
                try {
                  audioClone.currentTime = s._iO.position/msecScale;
                } catch(err) {
                  complain(s.id + ': multiShot play() failed to apply position of ' + (s._iO.position/msecScale));
                }
                audioClone.play();
              };
  
              event.add(audioClone, 'ended', onended);
  
              // apply volume to clones, too
              if (s._iO.volume !== undefined) {
                audioClone.volume = Math.max(0, Math.min(1, s._iO.volume/100));
              }
  
              // playing multiple muted sounds? if you do this, you're weird ;) - but let's cover it.
              if (s.muted) {
                audioClone.muted = true;
              }
  
              if (s._iO.position) {
                // HTML5 audio can't seek before onplay() event has fired.
                // wait for canplay, then seek to position and start playback.
                event.add(audioClone, 'canplay', oncanplay);
              } else {
                // begin playback at currentTime: 0
                audioClone.play();
              }
  
            }
  
          }
  
        }
  
        return s;
  
      };
  
      // just for convenience
      this.start = this.play;
  
      /**
       * Stops playing a sound (and optionally, all sounds)
       *
       * @param {boolean} bAll Optional: Whether to stop all sounds
       * @return {SMSound} The SMSound object
       */
  
      this.stop = function(bAll) {
  
        var instanceOptions = s._iO,
            originalPosition;
  
        if (s.playState === 1) {
  
          sm2._wD(s.id + ': stop()');
  
          s._onbufferchange(0);
          s._resetOnPosition(0);
          s.paused = false;
  
          if (!s.isHTML5) {
            s.playState = 0;
          }
  
          // remove onPosition listeners, if any
          detachOnPosition();
  
          // and "to" position, if set
          if (instanceOptions.to) {
            s.clearOnPosition(instanceOptions.to);
          }
  
          if (!s.isHTML5) {
  
            flash._stop(s.id, bAll);
  
            // hack for netStream: just unload
            if (instanceOptions.serverURL) {
              s.unload();
            }
  
          } else {
  
            if (s._a) {
  
              originalPosition = s.position;
  
              // act like Flash, though
              s.setPosition(0);
  
              // hack: reflect old position for onstop() (also like Flash)
              s.position = originalPosition;
  
              // html5 has no stop()
              // NOTE: pausing means iOS requires interaction to resume.
              s._a.pause();
  
              s.playState = 0;
  
              // and update UI
              s._onTimer();
  
              stop_html5_timer();
  
            }
  
          }
  
          s.instanceCount = 0;
          s._iO = {};
  
          if (instanceOptions.onstop) {
            instanceOptions.onstop.apply(s);
          }
  
        }
  
        return s;
  
      };
  
      /**
       * Undocumented/internal: Sets autoPlay for RTMP.
       *
       * @param {boolean} autoPlay state
       */
  
      this.setAutoPlay = function(autoPlay) {
  
        sm2._wD(s.id + ': Autoplay turned ' + (autoPlay ? 'on' : 'off'));
        s._iO.autoPlay = autoPlay;
  
        if (!s.isHTML5) {
          flash._setAutoPlay(s.id, autoPlay);
          if (autoPlay) {
            // only increment the instanceCount if the sound isn't loaded (TODO: verify RTMP)
            if (!s.instanceCount && s.readyState === 1) {
              s.instanceCount++;
              sm2._wD(s.id + ': Incremented instance count to '+s.instanceCount);
            }
          }
        }
  
      };
  
      /**
       * Undocumented/internal: Returns the autoPlay boolean.
       *
       * @return {boolean} The current autoPlay value
       */
  
      this.getAutoPlay = function() {
  
        return s._iO.autoPlay;
  
      };
  
      /**
       * Sets the position of a sound.
       *
       * @param {number} nMsecOffset Position (milliseconds)
       * @return {SMSound} The SMSound object
       */
  
      this.setPosition = function(nMsecOffset) {
  
        if (nMsecOffset === _undefined) {
          nMsecOffset = 0;
        }
  
        var position, position1K,
            // Use the duration from the instance options, if we don't have a track duration yet.
            // position >= 0 and <= current available (loaded) duration
            offset = (s.isHTML5 ? Math.max(nMsecOffset, 0) : Math.min(s.duration || s._iO.duration, Math.max(nMsecOffset, 0)));
  
        s.position = offset;
        position1K = s.position/msecScale;
        s._resetOnPosition(s.position);
        s._iO.position = offset;
  
        if (!s.isHTML5) {
  
          position = (fV === 9 ? s.position : position1K);
  
          if (s.readyState && s.readyState !== 2) {
            // if paused or not playing, will not resume (by playing)
            flash._setPosition(s.id, position, (s.paused || !s.playState), s._iO.multiShot);
          }
  
        } else if (s._a) {
  
          // Set the position in the canplay handler if the sound is not ready yet
          if (s._html5_canplay) {
  
            if (s._a.currentTime !== position1K) {
  
              /**
               * DOM/JS errors/exceptions to watch out for:
               * if seek is beyond (loaded?) position, "DOM exception 11"
               * "INDEX_SIZE_ERR": DOM exception 1
               */
              sm2._wD(s.id + ': setPosition('+position1K+')');
  
              try {
                s._a.currentTime = position1K;
                if (s.playState === 0 || s.paused) {
                  // allow seek without auto-play/resume
                  s._a.pause();
                }
              } catch(e) {
                sm2._wD(s.id + ': setPosition(' + position1K + ') failed: ' + e.message, 2);
              }
  
            }
  
          } else if (position1K) {
  
            // warn on non-zero seek attempts
            sm2._wD(s.id + ': setPosition(' + position1K + '): Cannot seek yet, sound not ready', 2);
            return s;
  
          }
  
          if (s.paused) {
  
            // if paused, refresh UI right away
            // force update
            s._onTimer(true);
  
          }
  
        }
  
        return s;
  
      };
  
      /**
       * Pauses sound playback.
       *
       * @return {SMSound} The SMSound object
       */
  
      this.pause = function(_bCallFlash) {
  
        if (s.paused || (s.playState === 0 && s.readyState !== 1)) {
          return s;
        }
  
        sm2._wD(s.id + ': pause()');
        s.paused = true;
  
        if (!s.isHTML5) {
          if (_bCallFlash || _bCallFlash === _undefined) {
            flash._pause(s.id, s._iO.multiShot);
          }
        } else {
          s._setup_html5().pause();
          stop_html5_timer();
        }
  
        if (s._iO.onpause) {
          s._iO.onpause.apply(s);
        }
  
        return s;
  
      };
  
      /**
       * Resumes sound playback.
       *
       * @return {SMSound} The SMSound object
       */
  
      /**
       * When auto-loaded streams pause on buffer full they have a playState of 0.
       * We need to make sure that the playState is set to 1 when these streams "resume".
       * When a paused stream is resumed, we need to trigger the onplay() callback if it
       * hasn't been called already. In this case since the sound is being played for the
       * first time, I think it's more appropriate to call onplay() rather than onresume().
       */
  
      this.resume = function() {
  
        var instanceOptions = s._iO;
  
        if (!s.paused) {
          return s;
        }
  
        sm2._wD(s.id + ': resume()');
        s.paused = false;
        s.playState = 1;
  
        if (!s.isHTML5) {
          if (instanceOptions.isMovieStar && !instanceOptions.serverURL) {
            // Bizarre Webkit bug (Chrome reported via 8tracks.com dudes): AAC content paused for 30+ seconds(?) will not resume without a reposition.
            s.setPosition(s.position);
          }
          // flash method is toggle-based (pause/resume)
          flash._pause(s.id, instanceOptions.multiShot);
        } else {
          s._setup_html5().play();
          start_html5_timer();
        }
  
        if (!onplay_called && instanceOptions.onplay) {
          instanceOptions.onplay.apply(s);
          onplay_called = true;
        } else if (instanceOptions.onresume) {
          instanceOptions.onresume.apply(s);
        }
  
        return s;
  
      };
  
      /**
       * Toggles sound playback.
       *
       * @return {SMSound} The SMSound object
       */
  
      this.togglePause = function() {
  
        sm2._wD(s.id + ': togglePause()');
  
        if (s.playState === 0) {
          s.play({
            position: (fV === 9 && !s.isHTML5 ? s.position : s.position / msecScale)
          });
          return s;
        }
  
        if (s.paused) {
          s.resume();
        } else {
          s.pause();
        }
  
        return s;
  
      };
  
      /**
       * Sets the panning (L-R) effect.
       *
       * @param {number} nPan The pan value (-100 to 100)
       * @return {SMSound} The SMSound object
       */
  
      this.setPan = function(nPan, bInstanceOnly) {
  
        if (nPan === _undefined) {
          nPan = 0;
        }
  
        if (bInstanceOnly === _undefined) {
          bInstanceOnly = false;
        }
  
        if (!s.isHTML5) {
          flash._setPan(s.id, nPan);
        } // else { no HTML5 pan? }
  
        s._iO.pan = nPan;
  
        if (!bInstanceOnly) {
          s.pan = nPan;
          s.options.pan = nPan;
        }
  
        return s;
  
      };
  
      /**
       * Sets the volume.
       *
       * @param {number} nVol The volume value (0 to 100)
       * @return {SMSound} The SMSound object
       */
  
      this.setVolume = function(nVol, _bInstanceOnly) {
  
        /**
         * Note: Setting volume has no effect on iOS "special snowflake" devices.
         * Hardware volume control overrides software, and volume
         * will always return 1 per Apple docs. (iOS 4 + 5.)
         * http://developer.apple.com/library/safari/documentation/AudioVideo/Conceptual/HTML-canvas-guide/AddingSoundtoCanvasAnimations/AddingSoundtoCanvasAnimations.html
         */
  
        if (nVol === _undefined) {
          nVol = 100;
        }
  
        if (_bInstanceOnly === _undefined) {
          _bInstanceOnly = false;
        }
  
        if (!s.isHTML5) {
          flash._setVolume(s.id, (sm2.muted && !s.muted) || s.muted?0:nVol);
        } else if (s._a) {
          if (sm2.muted && !s.muted) {
            s.muted = true;
            s._a.muted = true;
          }
          // valid range: 0-1
          s._a.volume = Math.max(0, Math.min(1, nVol/100));
        }
  
        s._iO.volume = nVol;
  
        if (!_bInstanceOnly) {
          s.volume = nVol;
          s.options.volume = nVol;
        }
  
        return s;
  
      };
  
      /**
       * Mutes the sound.
       *
       * @return {SMSound} The SMSound object
       */
  
      this.mute = function() {
  
        s.muted = true;
  
        if (!s.isHTML5) {
          flash._setVolume(s.id, 0);
        } else if (s._a) {
          s._a.muted = true;
        }
  
        return s;
  
      };
  
      /**
       * Unmutes the sound.
       *
       * @return {SMSound} The SMSound object
       */
  
      this.unmute = function() {
  
        s.muted = false;
        var hasIO = (s._iO.volume !== _undefined);
  
        if (!s.isHTML5) {
          flash._setVolume(s.id, hasIO?s._iO.volume:s.options.volume);
        } else if (s._a) {
          s._a.muted = false;
        }
  
        return s;
  
      };
  
      /**
       * Toggles the muted state of a sound.
       *
       * @return {SMSound} The SMSound object
       */
  
      this.toggleMute = function() {
  
        return (s.muted?s.unmute():s.mute());
  
      };
  
      /**
       * Registers a callback to be fired when a sound reaches a given position during playback.
       *
       * @param {number} nPosition The position to watch for
       * @param {function} oMethod The relevant callback to fire
       * @param {object} oScope Optional: The scope to apply the callback to
       * @return {SMSound} The SMSound object
       */
  
      this.onPosition = function(nPosition, oMethod, oScope) {
  
        // TODO: basic dupe checking?
  
        onPositionItems.push({
          position: parseInt(nPosition, 10),
          method: oMethod,
          scope: (oScope !== _undefined ? oScope : s),
          fired: false
        });
  
        return s;
  
      };
  
      // legacy/backwards-compability: lower-case method name
      this.onposition = this.onPosition;
  
      /**
       * Removes registered callback(s) from a sound, by position and/or callback.
       *
       * @param {number} nPosition The position to clear callback(s) for
       * @param {function} oMethod Optional: Identify one callback to be removed when multiple listeners exist for one position
       * @return {SMSound} The SMSound object
       */
  
      this.clearOnPosition = function(nPosition, oMethod) {
  
        var i;
  
        nPosition = parseInt(nPosition, 10);
  
        if (isNaN(nPosition)) {
          // safety check
          return false;
        }
  
        for (i=0; i < onPositionItems.length; i++) {
  
          if (nPosition === onPositionItems[i].position) {
            // remove this item if no method was specified, or, if the method matches
            if (!oMethod || (oMethod === onPositionItems[i].method)) {
              if (onPositionItems[i].fired) {
                // decrement "fired" counter, too
                onPositionFired--;
              }
              onPositionItems.splice(i, 1);
            }
          }
  
        }
  
      };
  
      this._processOnPosition = function() {
  
        var i, item, j = onPositionItems.length;
  		
        if (!j || !s.playState || onPositionFired >= j) {
          return false;
        }
  
        for (i=j-1; i >= 0; i--) {
          item = onPositionItems[i];
          if (!item.fired && s.position >= item.position) {
            item.fired = true;
            onPositionFired++;
            item.method.apply(item.scope, [item.position]);
  		  j = onPositionItems.length; //  reset j -- onPositionItems.length can be changed in the item callback above... occasionally breaking the loop.
          }
        }
  	
        return true;
  
      };
  
      this._resetOnPosition = function(nPosition) {
  
        // reset "fired" for items interested in this position
        var i, item, j = onPositionItems.length;
  
        if (!j) {
          return false;
        }
  
        for (i=j-1; i >= 0; i--) {
          item = onPositionItems[i];
          if (item.fired && nPosition <= item.position) {
            item.fired = false;
            onPositionFired--;
          }
        }
  
        return true;
  
      };
  
      /**
       * SMSound() private internals
       * --------------------------------
       */
  
      applyFromTo = function() {
  
        var instanceOptions = s._iO,
            f = instanceOptions.from,
            t = instanceOptions.to,
            start, end;
  
        end = function() {
  
          // end has been reached.
          sm2._wD(s.id + ': "To" time of ' + t + ' reached.');
  
          // detach listener
          s.clearOnPosition(t, end);
  
          // stop should clear this, too
          s.stop();
  
        };
  
        start = function() {
  
          sm2._wD(s.id + ': Playing "from" ' + f);
  
          // add listener for end
          if (t !== null && !isNaN(t)) {
            s.onPosition(t, end);
          }
  
        };
  
        if (f !== null && !isNaN(f)) {
  
          // apply to instance options, guaranteeing correct start position.
          instanceOptions.position = f;
  
          // multiShot timing can't be tracked, so prevent that.
          instanceOptions.multiShot = false;
  
          start();
  
        }
  
        // return updated instanceOptions including starting position
        return instanceOptions;
  
      };
  
      attachOnPosition = function() {
  
        var item,
            op = s._iO.onposition;
  
        // attach onposition things, if any, now.
  
        if (op) {
  
          for (item in op) {
            if (op.hasOwnProperty(item)) {
              s.onPosition(parseInt(item, 10), op[item]);
            }
          }
  
        }
  
      };
  
      detachOnPosition = function() {
  
        var item,
            op = s._iO.onposition;
  
        // detach any onposition()-style listeners.
  
        if (op) {
  
          for (item in op) {
            if (op.hasOwnProperty(item)) {
              s.clearOnPosition(parseInt(item, 10));
            }
          }
  
        }
  
      };
  
      start_html5_timer = function() {
  
        if (s.isHTML5) {
          startTimer(s);
        }
  
      };
  
      stop_html5_timer = function() {
  
        if (s.isHTML5) {
          stopTimer(s);
        }
  
      };
  
      resetProperties = function(retainPosition) {
  
        if (!retainPosition) {
          onPositionItems = [];
          onPositionFired = 0;
        }
  
        onplay_called = false;
  
        s._hasTimer = null;
        s._a = null;
        s._html5_canplay = false;
        s.bytesLoaded = null;
        s.bytesTotal = null;
        s.duration = (s._iO && s._iO.duration ? s._iO.duration : null);
        s.durationEstimate = null;
        s.buffered = [];
  
        // legacy: 1D array
        s.eqData = [];
  
        s.eqData.left = [];
        s.eqData.right = [];
  
        s.failures = 0;
        s.isBuffering = false;
        s.instanceOptions = {};
        s.instanceCount = 0;
        s.loaded = false;
        s.metadata = {};
  
        // 0 = uninitialised, 1 = loading, 2 = failed/error, 3 = loaded/success
        s.readyState = 0;
  
        s.muted = false;
        s.paused = false;
  
        s.peakData = {
          left: 0,
          right: 0
        };
  
        s.waveformData = {
          left: [],
          right: []
        };
  
        s.playState = 0;
        s.position = null;
  
        s.id3 = {};
  
      };
  
      resetProperties();
  
      /**
       * Pseudo-private SMSound internals
       * --------------------------------
       */
  
      this._onTimer = function(bForce) {
  
        /**
         * HTML5-only _whileplaying() etc.
         * called from both HTML5 native events, and polling/interval-based timers
         * mimics flash and fires only when time/duration change, so as to be polling-friendly
         */
  
        var duration, isNew = false, time, x = {};
  
        if (s._hasTimer || bForce) {
  
          // TODO: May not need to track readyState (1 = loading)
  
          if (s._a && (bForce || ((s.playState > 0 || s.readyState === 1) && !s.paused))) {
  
            duration = s._get_html5_duration();
  
            if (duration !== lastHTML5State.duration) {
  
              lastHTML5State.duration = duration;
              s.duration = duration;
              isNew = true;
  
            }
  
            // TODO: investigate why this goes wack if not set/re-set each time.
            s.durationEstimate = s.duration;
  
            time = (s._a.currentTime * msecScale || 0);
  
            if (time !== lastHTML5State.time) {
  
              lastHTML5State.time = time;
              isNew = true;
  
            }
  
            if (isNew || bForce) {
  
              s._whileplaying(time,x,x,x,x);
  
            }
  
          }/* else {
  
            // sm2._wD('_onTimer: Warn for "'+s.id+'": '+(!s._a?'Could not find element. ':'')+(s.playState === 0?'playState bad, 0?':'playState = '+s.playState+', OK'));
  
            return false;
  
          }*/
  
          return isNew;
  
        }
  
      };
  
      this._get_html5_duration = function() {
  
        var instanceOptions = s._iO,
            // if audio object exists, use its duration - else, instance option duration (if provided - it's a hack, really, and should be retired) OR null
            d = (s._a && s._a.duration ? s._a.duration*msecScale : (instanceOptions && instanceOptions.duration ? instanceOptions.duration : null)),
            result = (d && !isNaN(d) && d !== Infinity ? d : null);
  
        return result;
  
      };
  
      this._apply_loop = function(a, nLoops) {
  
        /**
         * boolean instead of "loop", for webkit? - spec says string. http://www.w3.org/TR/html-markup/audio.html#audio.attrs.loop
         * note that loop is either off or infinite under HTML5, unlike Flash which allows arbitrary loop counts to be specified.
         */
  
        // <d>
        if (!a.loop && nLoops > 1) {
          sm2._wD('Note: Native HTML5 looping is infinite.', 1);
        }
        // </d>
  
        a.loop = (nLoops > 1 ? 'loop' : '');
  
      };
  
      this._setup_html5 = function(oOptions) {
  
        var instanceOptions = mixin(s._iO, oOptions),
            a = useGlobalHTML5Audio ? globalHTML5Audio : s._a,
            dURL = decodeURI(instanceOptions.url),
            sameURL;
  
        /**
         * "First things first, I, Poppa..." (reset the previous state of the old sound, if playing)
         * Fixes case with devices that can only play one sound at a time
         * Otherwise, other sounds in mid-play will be terminated without warning and in a stuck state
         */
  
        if (useGlobalHTML5Audio) {
  
          if (dURL === decodeURI(lastGlobalHTML5URL)) {
            // global HTML5 audio: re-use of URL
            sameURL = true;
          }
  
        } else if (dURL === decodeURI(lastURL)) {
  
          // options URL is the same as the "last" URL, and we used (loaded) it
          sameURL = true;
  
        }
  
        if (a) {
  
          if (a._s) {
  
            if (useGlobalHTML5Audio) {
  
              if (a._s && a._s.playState && !sameURL) {
  
                // global HTML5 audio case, and loading a new URL. stop the currently-playing one.
                a._s.stop();
  
              }
  
            } else if (!useGlobalHTML5Audio && dURL === decodeURI(lastURL)) {
  
              // non-global HTML5 reuse case: same url, ignore request
              s._apply_loop(a, instanceOptions.loops);
  
              return a;
  
            }
  
          }
  
          if (!sameURL) {
  
            // don't retain onPosition() stuff with new URLs.
  
            if (lastURL) {
              resetProperties(false);
            }
  
            // assign new HTML5 URL
  
            a.src = instanceOptions.url;
  
            s.url = instanceOptions.url;
  
            lastURL = instanceOptions.url;
  
            lastGlobalHTML5URL = instanceOptions.url;
  
            a._called_load = false;
  
          }
  
        } else {
  
          if (instanceOptions.autoLoad || instanceOptions.autoPlay) {
  
            s._a = new Audio(instanceOptions.url);
            s._a.load();
  
          } else {
  
            // null for stupid Opera 9.64 case
            s._a = (isOpera && opera.version() < 10 ? new Audio(null) : new Audio());
  
          }
  
          // assign local reference
          a = s._a;
  
          a._called_load = false;
  
          if (useGlobalHTML5Audio) {
  
            globalHTML5Audio = a;
  
          }
  
        }
  
        s.isHTML5 = true;
  
        // store a ref on the track
        s._a = a;
  
        // store a ref on the audio
        a._s = s;
  
        add_html5_events();
  
        s._apply_loop(a, instanceOptions.loops);
  
        if (instanceOptions.autoLoad || instanceOptions.autoPlay) {
  
          s.load();
  
        } else {
  
          // early HTML5 implementation (non-standard)
          a.autobuffer = false;
  
          // standard ('none' is also an option.)
          a.preload = 'auto';
  
        }
  
        return a;
  
      };
  
      add_html5_events = function() {
  
        if (s._a._added_events) {
          return false;
        }
  
        var f;
  
        function add(oEvt, oFn, bCapture) {
          return s._a ? s._a.addEventListener(oEvt, oFn, bCapture||false) : null;
        }
  
        s._a._added_events = true;
  
        for (f in html5_events) {
          if (html5_events.hasOwnProperty(f)) {
            add(f, html5_events[f]);
          }
        }
  
        return true;
  
      };
  
      remove_html5_events = function() {
  
        // Remove event listeners
  
        var f;
  
        function remove(oEvt, oFn, bCapture) {
          return (s._a ? s._a.removeEventListener(oEvt, oFn, bCapture||false) : null);
        }
  
        sm2._wD(s.id + ': Removing event listeners');
        s._a._added_events = false;
  
        for (f in html5_events) {
          if (html5_events.hasOwnProperty(f)) {
            remove(f, html5_events[f]);
          }
        }
  
      };
  
      /**
       * Pseudo-private event internals
       * ------------------------------
       */
  
      this._onload = function(nSuccess) {
  
        var fN,
            // check for duration to prevent false positives from flash 8 when loading from cache.
            loadOK = !!nSuccess || (!s.isHTML5 && fV === 8 && s.duration);
  
        // <d>
        fN = s.id + ': ';
        sm2._wD(fN + (loadOK ? 'onload()' : 'Failed to load / invalid sound?' + (!s.duration ? ' Zero-length duration reported.' : ' -') + ' (' + s.url + ')'), (loadOK ? 1 : 2));
        if (!loadOK && !s.isHTML5) {
          if (sm2.sandbox.noRemote === true) {
            sm2._wD(fN + str('noNet'), 1);
          }
          if (sm2.sandbox.noLocal === true) {
            sm2._wD(fN + str('noLocal'), 1);
          }
        }
        // </d>
  
        s.loaded = loadOK;
        s.readyState = loadOK?3:2;
        s._onbufferchange(0);
  
        if (s._iO.onload) {
          wrapCallback(s, function() {
            s._iO.onload.apply(s, [loadOK]);
          });
        }
  
        return true;
  
      };
  
      this._onbufferchange = function(nIsBuffering) {
  
        if (s.playState === 0) {
          // ignore if not playing
          return false;
        }
  
        if ((nIsBuffering && s.isBuffering) || (!nIsBuffering && !s.isBuffering)) {
          return false;
        }
  
        s.isBuffering = (nIsBuffering === 1);
        if (s._iO.onbufferchange) {
          sm2._wD(s.id + ': Buffer state change: ' + nIsBuffering);
          s._iO.onbufferchange.apply(s);
        }
  
        return true;
  
      };
  
      /**
       * Playback may have stopped due to buffering, or related reason.
       * This state can be encountered on iOS < 6 when auto-play is blocked.
       */
  
      this._onsuspend = function() {
  
        if (s._iO.onsuspend) {
          sm2._wD(s.id + ': Playback suspended');
          s._iO.onsuspend.apply(s);
        }
  
        return true;
  
      };
  
      /**
       * flash 9/movieStar + RTMP-only method, should fire only once at most
       * at this point we just recreate failed sounds rather than trying to reconnect
       */
  
      this._onfailure = function(msg, level, code) {
  
        s.failures++;
        sm2._wD(s.id + ': Failures = ' + s.failures);
  
        if (s._iO.onfailure && s.failures === 1) {
          s._iO.onfailure(s, msg, level, code);
        } else {
          sm2._wD(s.id + ': Ignoring failure');
        }
  
      };
  
      this._onfinish = function() {
  
        // store local copy before it gets trashed...
        var io_onfinish = s._iO.onfinish;
  
        s._onbufferchange(0);
        s._resetOnPosition(0);
  
        // reset some state items
        if (s.instanceCount) {
  
          s.instanceCount--;
  
          if (!s.instanceCount) {
  
            // remove onPosition listeners, if any
            detachOnPosition();
  
            // reset instance options
            s.playState = 0;
            s.paused = false;
            s.instanceCount = 0;
            s.instanceOptions = {};
            s._iO = {};
            stop_html5_timer();
  
            // reset position, too
            if (s.isHTML5) {
              s.position = 0;
            }
  
          }
  
          if (!s.instanceCount || s._iO.multiShotEvents) {
            // fire onfinish for last, or every instance
            if (io_onfinish) {
              sm2._wD(s.id + ': onfinish()');
              wrapCallback(s, function() {
                io_onfinish.apply(s);
              });
            }
          }
  
        }
  
      };
  
      this._whileloading = function(nBytesLoaded, nBytesTotal, nDuration, nBufferLength) {
  
        var instanceOptions = s._iO;
  
        s.bytesLoaded = nBytesLoaded;
        s.bytesTotal = nBytesTotal;
        s.duration = Math.floor(nDuration);
        s.bufferLength = nBufferLength;
  
        if (!s.isHTML5 && !instanceOptions.isMovieStar) {
  
          if (instanceOptions.duration) {
            // use duration from options, if specified and larger. nobody should be specifying duration in options, actually, and it should be retired.
            s.durationEstimate = (s.duration > instanceOptions.duration) ? s.duration : instanceOptions.duration;
          } else {
            s.durationEstimate = parseInt((s.bytesTotal / s.bytesLoaded) * s.duration, 10);
          }
  
        } else {
  
          s.durationEstimate = s.duration;
  
        }
  
        // for flash, reflect sequential-load-style buffering
        if (!s.isHTML5) {
          s.buffered = [{
            'start': 0,
            'end': s.duration
          }];
        }
  
        // allow whileloading to fire even if "load" fired under HTML5, due to HTTP range/partials
        if ((s.readyState !== 3 || s.isHTML5) && instanceOptions.whileloading) {
          instanceOptions.whileloading.apply(s);
        }
  
      };
  
      this._whileplaying = function(nPosition, oPeakData, oWaveformDataLeft, oWaveformDataRight, oEQData) {
  
        var instanceOptions = s._iO,
            eqLeft;
  
        if (isNaN(nPosition) || nPosition === null) {
          // flash safety net
          return false;
        }
  
        // Safari HTML5 play() may return small -ve values when starting from position: 0, eg. -50.120396875. Unexpected/invalid per W3, I think. Normalize to 0.
        s.position = Math.max(0, nPosition);
  
        s._processOnPosition();
  
        if (!s.isHTML5 && fV > 8) {
  
          if (instanceOptions.usePeakData && oPeakData !== _undefined && oPeakData) {
            s.peakData = {
              left: oPeakData.leftPeak,
              right: oPeakData.rightPeak
            };
          }
  
          if (instanceOptions.useWaveformData && oWaveformDataLeft !== _undefined && oWaveformDataLeft) {
            s.waveformData = {
              left: oWaveformDataLeft.split(','),
              right: oWaveformDataRight.split(',')
            };
          }
  
          if (instanceOptions.useEQData) {
            if (oEQData !== _undefined && oEQData && oEQData.leftEQ) {
              eqLeft = oEQData.leftEQ.split(',');
              s.eqData = eqLeft;
              s.eqData.left = eqLeft;
              if (oEQData.rightEQ !== _undefined && oEQData.rightEQ) {
                s.eqData.right = oEQData.rightEQ.split(',');
              }
            }
          }
  
        }
  
        if (s.playState === 1) {
  
          // special case/hack: ensure buffering is false if loading from cache (and not yet started)
          if (!s.isHTML5 && fV === 8 && !s.position && s.isBuffering) {
            s._onbufferchange(0);
          }
  
          if (instanceOptions.whileplaying) {
            // flash may call after actual finish
            instanceOptions.whileplaying.apply(s);
          }
  
        }
  
        return true;
  
      };
  
      this._oncaptiondata = function(oData) {
  
        /**
         * internal: flash 9 + NetStream (MovieStar/RTMP-only) feature
         *
         * @param {object} oData
         */
  
        sm2._wD(s.id + ': Caption data received.');
  
        s.captiondata = oData;
  
        if (s._iO.oncaptiondata) {
          s._iO.oncaptiondata.apply(s, [oData]);
        }
  
      };
  
      this._onmetadata = function(oMDProps, oMDData) {
  
        /**
         * internal: flash 9 + NetStream (MovieStar/RTMP-only) feature
         * RTMP may include song title, MovieStar content may include encoding info
         *
         * @param {array} oMDProps (names)
         * @param {array} oMDData (values)
         */
  
        sm2._wD(s.id + ': Metadata received.');
  
        var oData = {}, i, j;
  
        for (i = 0, j = oMDProps.length; i < j; i++) {
          oData[oMDProps[i]] = oMDData[i];
        }
        s.metadata = oData;
  
        if (s._iO.onmetadata) {
          s._iO.onmetadata.apply(s);
        }
  
      };
  
      this._onid3 = function(oID3Props, oID3Data) {
  
        /**
         * internal: flash 8 + flash 9 ID3 feature
         * may include artist, song title etc.
         *
         * @param {array} oID3Props (names)
         * @param {array} oID3Data (values)
         */
  
        sm2._wD(s.id + ': ID3 data received.');
  
        var oData = [], i, j;
  
        for (i = 0, j = oID3Props.length; i < j; i++) {
          oData[oID3Props[i]] = oID3Data[i];
        }
        s.id3 = mixin(s.id3, oData);
  
        if (s._iO.onid3) {
          s._iO.onid3.apply(s);
        }
  
      };
  
      // flash/RTMP-only
  
      this._onconnect = function(bSuccess) {
  
        bSuccess = (bSuccess === 1);
        sm2._wD(s.id + ': ' + (bSuccess ? 'Connected.' : 'Failed to connect? - ' + s.url), (bSuccess ? 1 : 2));
        s.connected = bSuccess;
  
        if (bSuccess) {
  
          s.failures = 0;
  
          if (idCheck(s.id)) {
            if (s.getAutoPlay()) {
              // only update the play state if auto playing
              s.play(_undefined, s.getAutoPlay());
            } else if (s._iO.autoLoad) {
              s.load();
            }
          }
  
          if (s._iO.onconnect) {
            s._iO.onconnect.apply(s, [bSuccess]);
          }
  
        }
  
      };
  
      this._ondataerror = function(sError) {
  
        // flash 9 wave/eq data handler
        // hack: called at start, and end from flash at/after onfinish()
        if (s.playState > 0) {
          sm2._wD(s.id + ': Data error: ' + sError);
          if (s._iO.ondataerror) {
            s._iO.ondataerror.apply(s);
          }
        }
  
      };
  
      // <d>
      this._debug();
      // </d>
  
    }; // SMSound()
  
    /**
     * Private SoundManager internals
     * ------------------------------
     */
  
    getDocument = function() {
  
      return (doc.body || doc.getElementsByTagName('div')[0]);
  
    };
  
    id = function(sID) {
  
      return doc.getElementById(sID);
  
    };
  
    mixin = function(oMain, oAdd) {
  
      // non-destructive merge
      var o1 = (oMain || {}), o2, o;
  
      // if unspecified, o2 is the default options object
      o2 = (oAdd === _undefined ? sm2.defaultOptions : oAdd);
  
      for (o in o2) {
  
        if (o2.hasOwnProperty(o) && o1[o] === _undefined) {
  
          if (typeof o2[o] !== 'object' || o2[o] === null) {
  
            // assign directly
            o1[o] = o2[o];
  
          } else {
  
            // recurse through o2
            o1[o] = mixin(o1[o], o2[o]);
  
          }
  
        }
  
      }
  
      return o1;
  
    };
  
    wrapCallback = function(oSound, callback) {
  
      /**
       * 03/03/2013: Fix for Flash Player 11.6.602.171 + Flash 8 (flashVersion = 8) SWF issue
       * setTimeout() fix for certain SMSound callbacks like onload() and onfinish(), where subsequent calls like play() and load() fail when Flash Player 11.6.602.171 is installed, and using soundManager with flashVersion = 8 (which is the default).
       * Not sure of exact cause. Suspect race condition and/or invalid (NaN-style) position argument trickling down to the next JS -> Flash _start() call, in the play() case.
       * Fix: setTimeout() to yield, plus safer null / NaN checking on position argument provided to Flash.
       * https://getsatisfaction.com/schillmania/topics/recent_chrome_update_seems_to_have_broken_my_sm2_audio_player
       */
      if (!oSound.isHTML5 && fV === 8) {
        window.setTimeout(callback, 0);
      } else {
        callback();
      }
  
    };
  
    // additional soundManager properties that soundManager.setup() will accept
  
    extraOptions = {
      'onready': 1,
      'ontimeout': 1,
      'defaultOptions': 1,
      'flash9Options': 1,
      'movieStarOptions': 1
    };
  
    assign = function(o, oParent) {
  
      /**
       * recursive assignment of properties, soundManager.setup() helper
       * allows property assignment based on whitelist
       */
  
      var i,
          result = true,
          hasParent = (oParent !== _undefined),
          setupOptions = sm2.setupOptions,
          bonusOptions = extraOptions;
  
      // <d>
  
      // if soundManager.setup() called, show accepted parameters.
  
      if (o === _undefined) {
  
        result = [];
  
        for (i in setupOptions) {
  
          if (setupOptions.hasOwnProperty(i)) {
            result.push(i);
          }
  
        }
  
        for (i in bonusOptions) {
  
          if (bonusOptions.hasOwnProperty(i)) {
  
            if (typeof sm2[i] === 'object') {
  
              result.push(i+': {...}');
  
            } else if (sm2[i] instanceof Function) {
  
              result.push(i+': function() {...}');
  
            } else {
  
              result.push(i);
  
            }
  
          }
  
        }
  
        sm2._wD(str('setup', result.join(', ')));
  
        return false;
  
      }
  
      // </d>
  
      for (i in o) {
  
        if (o.hasOwnProperty(i)) {
  
          // if not an {object} we want to recurse through...
  
          if (typeof o[i] !== 'object' || o[i] === null || o[i] instanceof Array || o[i] instanceof RegExp) {
  
            // check "allowed" options
  
            if (hasParent && bonusOptions[oParent] !== _undefined) {
  
              // valid recursive / nested object option, eg., { defaultOptions: { volume: 50 } }
              sm2[oParent][i] = o[i];
  
            } else if (setupOptions[i] !== _undefined) {
  
              // special case: assign to setupOptions object, which soundManager property references
              sm2.setupOptions[i] = o[i];
  
              // assign directly to soundManager, too
              sm2[i] = o[i];
  
            } else if (bonusOptions[i] === _undefined) {
  
              // invalid or disallowed parameter. complain.
              complain(str((sm2[i] === _undefined ? 'setupUndef' : 'setupError'), i), 2);
  
              result = false;
  
            } else {
  
              /**
               * valid extraOptions (bonusOptions) parameter.
               * is it a method, like onready/ontimeout? call it.
               * multiple parameters should be in an array, eg. soundManager.setup({onready: [myHandler, myScope]});
               */
  
              if (sm2[i] instanceof Function) {
  
                sm2[i].apply(sm2, (o[i] instanceof Array? o[i] : [o[i]]));
  
              } else {
  
                // good old-fashioned direct assignment
                sm2[i] = o[i];
  
              }
  
            }
  
          } else {
  
            // recursion case, eg., { defaultOptions: { ... } }
  
            if (bonusOptions[i] === _undefined) {
  
              // invalid or disallowed parameter. complain.
              complain(str((sm2[i] === _undefined ? 'setupUndef' : 'setupError'), i), 2);
  
              result = false;
  
            } else {
  
              // recurse through object
              return assign(o[i], i);
  
            }
  
          }
  
        }
  
      }
  
      return result;
  
    };
  
    function preferFlashCheck(kind) {
  
      // whether flash should play a given type
      return (sm2.preferFlash && hasFlash && !sm2.ignoreFlash && (sm2.flash[kind] !== _undefined && sm2.flash[kind]));
  
    }
  
    /**
     * Internal DOM2-level event helpers
     * ---------------------------------
     */
  
    event = (function() {
  
      // normalize event methods
      var old = (window.attachEvent),
      evt = {
        add: (old?'attachEvent':'addEventListener'),
        remove: (old?'detachEvent':'removeEventListener')
      };
  
      // normalize "on" event prefix, optional capture argument
      function getArgs(oArgs) {
  
        var args = slice.call(oArgs),
            len = args.length;
  
        if (old) {
          // prefix
          args[1] = 'on' + args[1];
          if (len > 3) {
            // no capture
            args.pop();
          }
        } else if (len === 3) {
          args.push(false);
        }
  
        return args;
  
      }
  
      function apply(args, sType) {
  
        // normalize and call the event method, with the proper arguments
        var element = args.shift(),
            method = [evt[sType]];
  
        if (old) {
          // old IE can't do apply().
          element[method](args[0], args[1]);
        } else {
          element[method].apply(element, args);
        }
  
      }
  
      function add() {
  
        apply(getArgs(arguments), 'add');
  
      }
  
      function remove() {
  
        apply(getArgs(arguments), 'remove');
  
      }
  
      return {
        'add': add,
        'remove': remove
      };
  
    }());
  
    /**
     * Internal HTML5 event handling
     * -----------------------------
     */
  
    function html5_event(oFn) {
  
      // wrap html5 event handlers so we don't call them on destroyed and/or unloaded sounds
  
      return function(e) {
  
        var s = this._s,
            result;
  
        if (!s || !s._a) {
          // <d>
          if (s && s.id) {
            sm2._wD(s.id + ': Ignoring ' + e.type);
          } else {
            sm2._wD(h5 + 'Ignoring ' + e.type);
          }
          // </d>
          result = null;
        } else {
          result = oFn.call(this, e);
        }
  
        return result;
  
      };
  
    }
  
    html5_events = {
  
      // HTML5 event-name-to-handler map
  
      abort: html5_event(function() {
  
        sm2._wD(this._s.id + ': abort');
  
      }),
  
      // enough has loaded to play
  
      canplay: html5_event(function() {
  
        var s = this._s,
            position1K;
  
        if (s._html5_canplay) {
          // this event has already fired. ignore.
          return true;
        }
  
        s._html5_canplay = true;
        sm2._wD(s.id + ': canplay');
        s._onbufferchange(0);
  
        // position according to instance options
        position1K = (s._iO.position !== _undefined && !isNaN(s._iO.position)?s._iO.position/msecScale:null);
  
        // set the position if position was set before the sound loaded
        if (s.position && this.currentTime !== position1K) {
          sm2._wD(s.id + ': canplay: Setting position to ' + position1K);
          try {
            this.currentTime = position1K;
          } catch(ee) {
            sm2._wD(s.id + ': canplay: Setting position of ' + position1K + ' failed: ' + ee.message, 2);
          }
        }
  
        // hack for HTML5 from/to case
        if (s._iO._oncanplay) {
          s._iO._oncanplay();
        }
  
      }),
  
      canplaythrough: html5_event(function() {
  
        var s = this._s;
  
        if (!s.loaded) {
          s._onbufferchange(0);
          s._whileloading(s.bytesLoaded, s.bytesTotal, s._get_html5_duration());
          s._onload(true);
        }
  
      }),
  
      // TODO: Reserved for potential use
      /*
      emptied: html5_event(function() {
  
        sm2._wD(this._s.id + ': emptied');
  
      }),
      */
  
      ended: html5_event(function() {
  
        var s = this._s;
  
        sm2._wD(s.id + ': ended');
  
        s._onfinish();
  
      }),
  
      error: html5_event(function() {
  
        sm2._wD(this._s.id + ': HTML5 error, code ' + this.error.code);
        /**
         * HTML5 error codes, per W3C
         * Error 1: Client aborted download at user's request.
         * Error 2: Network error after load started.
         * Error 3: Decoding issue.
         * Error 4: Media (audio file) not supported.
         * Reference: http://www.whatwg.org/specs/web-apps/current-work/multipage/the-video-element.html#error-codes
         */
        // call load with error state?
        this._s._onload(false);
  
      }),
  
      loadeddata: html5_event(function() {
  
        var s = this._s;
  
        sm2._wD(s.id + ': loadeddata');
  
        // safari seems to nicely report progress events, eventually totalling 100%
        if (!s._loaded && !isSafari) {
          s.duration = s._get_html5_duration();
        }
  
      }),
  
      loadedmetadata: html5_event(function() {
  
        sm2._wD(this._s.id + ': loadedmetadata');
  
      }),
  
      loadstart: html5_event(function() {
  
        sm2._wD(this._s.id + ': loadstart');
        // assume buffering at first
        this._s._onbufferchange(1);
  
      }),
  
      play: html5_event(function() {
  
        // sm2._wD(this._s.id + ': play()');
        // once play starts, no buffering
        this._s._onbufferchange(0);
  
      }),
  
      playing: html5_event(function() {
  
        sm2._wD(this._s.id + ': playing');
        // once play starts, no buffering
        this._s._onbufferchange(0);
  
      }),
  
      progress: html5_event(function(e) {
  
        // note: can fire repeatedly after "loaded" event, due to use of HTTP range/partials
  
        var s = this._s,
            i, j, progStr, buffered = 0,
            isProgress = (e.type === 'progress'),
            ranges = e.target.buffered,
            // firefox 3.6 implements e.loaded/total (bytes)
            loaded = (e.loaded||0),
            total = (e.total||1);
  
        // reset the "buffered" (loaded byte ranges) array
        s.buffered = [];
  
        if (ranges && ranges.length) {
  
          // if loaded is 0, try TimeRanges implementation as % of load
          // https://developer.mozilla.org/en/DOM/TimeRanges
  
          // re-build "buffered" array
          // HTML5 returns seconds. SM2 API uses msec for setPosition() etc., whether Flash or HTML5.
          for (i=0, j=ranges.length; i<j; i++) {
            s.buffered.push({
              'start': ranges.start(i) * msecScale,
              'end': ranges.end(i) * msecScale
            });
          }
  
          // use the last value locally
          buffered = (ranges.end(0) - ranges.start(0)) * msecScale;
  
          // linear case, buffer sum; does not account for seeking and HTTP partials / byte ranges
          loaded = Math.min(1, buffered/(e.target.duration*msecScale));
  
          // <d>
          if (isProgress && ranges.length > 1) {
            progStr = [];
            j = ranges.length;
            for (i=0; i<j; i++) {
              progStr.push(e.target.buffered.start(i)*msecScale +'-'+ e.target.buffered.end(i)*msecScale);
            }
            sm2._wD(this._s.id + ': progress, timeRanges: ' + progStr.join(', '));
          }
  
          if (isProgress && !isNaN(loaded)) {
            sm2._wD(this._s.id + ': progress, ' + Math.floor(loaded*100) + '% loaded');
          }
          // </d>
  
        }
  
        if (!isNaN(loaded)) {
  
          // if progress, likely not buffering
          s._onbufferchange(0);
          // TODO: prevent calls with duplicate values.
          s._whileloading(loaded, total, s._get_html5_duration());
          if (loaded && total && loaded === total) {
            // in case "onload" doesn't fire (eg. gecko 1.9.2)
            html5_events.canplaythrough.call(this, e);
          }
  
        }
  
      }),
  
      ratechange: html5_event(function() {
  
        sm2._wD(this._s.id + ': ratechange');
  
      }),
  
      suspend: html5_event(function(e) {
  
        // download paused/stopped, may have finished (eg. onload)
        var s = this._s;
  
        sm2._wD(this._s.id + ': suspend');
        html5_events.progress.call(this, e);
        s._onsuspend();
  
      }),
  
      stalled: html5_event(function() {
  
        sm2._wD(this._s.id + ': stalled');
  
      }),
  
      timeupdate: html5_event(function() {
  
        this._s._onTimer();
  
      }),
  
      waiting: html5_event(function() {
  
        var s = this._s;
  
        // see also: seeking
        sm2._wD(this._s.id + ': waiting');
  
        // playback faster than download rate, etc.
        s._onbufferchange(1);
  
      })
  
    };
  
    html5OK = function(iO) {
  
      // playability test based on URL or MIME type
  
      var result;
  
      if (!iO || (!iO.type && !iO.url && !iO.serverURL)) {
  
        // nothing to check
        result = false;
  
      } else if (iO.serverURL || (iO.type && preferFlashCheck(iO.type))) {
  
        // RTMP, or preferring flash
        result = false;
  
      } else {
  
        // Use type, if specified. Pass data: URIs to HTML5. If HTML5-only mode, no other options, so just give 'er
        result = ((iO.type ? html5CanPlay({type:iO.type}) : html5CanPlay({url:iO.url}) || sm2.html5Only || iO.url.match(/data\:/i)));
  
      }
  
      return result;
  
    };
  
    html5Unload = function(oAudio) {
  
      /**
       * Internal method: Unload media, and cancel any current/pending network requests.
       * Firefox can load an empty URL, which allegedly destroys the decoder and stops the download.
       * https://developer.mozilla.org/En/Using_audio_and_video_in_Firefox#Stopping_the_download_of_media
       * However, Firefox has been seen loading a relative URL from '' and thus requesting the hosting page on unload.
       * Other UA behaviour is unclear, so everyone else gets an about:blank-style URL.
       */
  
      var url;
  
      if (oAudio) {
  
        // Firefox and Chrome accept short WAVe data: URIs. Chome dislikes audio/wav, but accepts audio/wav for data: MIME.
        // Desktop Safari complains / fails on data: URI, so it gets about:blank.
        url = (isSafari ? emptyURL : (sm2.html5.canPlayType('audio/wav') ? emptyWAV : emptyURL));
  
        oAudio.src = url;
  
        // reset some state, too
        if (oAudio._called_unload !== undefined) {
          oAudio._called_load = false;
        }
  
      }
  
      if (useGlobalHTML5Audio) {
  
        // ensure URL state is trashed, also
        lastGlobalHTML5URL = null;
  
      }
  
      return url;
  
    };
  
    html5CanPlay = function(o) {
  
      /**
       * Try to find MIME, test and return truthiness
       * o = {
       *  url: '/path/to/an.mp3',
       *  type: 'audio/mp3'
       * }
       */
  
      if (!sm2.useHTML5Audio || !sm2.hasHTML5) {
        return false;
      }
  
      var url = (o.url || null),
          mime = (o.type || null),
          aF = sm2.audioFormats,
          result,
          offset,
          fileExt,
          item;
  
      // account for known cases like audio/mp3
  
      if (mime && sm2.html5[mime] !== _undefined) {
        return (sm2.html5[mime] && !preferFlashCheck(mime));
      }
  
      if (!html5Ext) {
        html5Ext = [];
        for (item in aF) {
          if (aF.hasOwnProperty(item)) {
            html5Ext.push(item);
            if (aF[item].related) {
              html5Ext = html5Ext.concat(aF[item].related);
            }
          }
        }
        html5Ext = new RegExp('\\.('+html5Ext.join('|')+')(\\?.*)?$','i');
      }
  
      // TODO: Strip URL queries, etc.
      fileExt = (url ? url.toLowerCase().match(html5Ext) : null);
  
      if (!fileExt || !fileExt.length) {
        if (!mime) {
          result = false;
        } else {
          // audio/mp3 -> mp3, result should be known
          offset = mime.indexOf(';');
          // strip "audio/X; codecs..."
          fileExt = (offset !== -1?mime.substr(0,offset):mime).substr(6);
        }
      } else {
        // match the raw extension name - "mp3", for example
        fileExt = fileExt[1];
      }
  
      if (fileExt && sm2.html5[fileExt] !== _undefined) {
        // result known
        result = (sm2.html5[fileExt] && !preferFlashCheck(fileExt));
      } else {
        mime = 'audio/'+fileExt;
        result = sm2.html5.canPlayType({type:mime});
        sm2.html5[fileExt] = result;
        // sm2._wD('canPlayType, found result: ' + result);
        result = (result && sm2.html5[mime] && !preferFlashCheck(mime));
      }
  
      return result;
  
    };
  
    testHTML5 = function() {
  
      /**
       * Internal: Iterates over audioFormats, determining support eg. audio/mp3, audio/mpeg and so on
       * assigns results to html5[] and flash[].
       */
  
      if (!sm2.useHTML5Audio || !sm2.hasHTML5) {
        // without HTML5, we need Flash.
        sm2.html5.usingFlash = true;
        needsFlash = true;
        return false;
      }
  
      // double-whammy: Opera 9.64 throws WRONG_ARGUMENTS_ERR if no parameter passed to Audio(), and Webkit + iOS happily tries to load "null" as a URL. :/
      var a = (Audio !== _undefined ? (isOpera && opera.version() < 10 ? new Audio(null) : new Audio()) : null),
          item, lookup, support = {}, aF, i;
  
      function cp(m) {
  
        var canPlay, j,
            result = false,
            isOK = false;
  
        if (!a || typeof a.canPlayType !== 'function') {
          return result;
        }
  
        if (m instanceof Array) {
          // iterate through all mime types, return any successes
          for (i=0, j=m.length; i<j; i++) {
            if (sm2.html5[m[i]] || a.canPlayType(m[i]).match(sm2.html5Test)) {
              isOK = true;
              sm2.html5[m[i]] = true;
              // note flash support, too
              sm2.flash[m[i]] = !!(m[i].match(flashMIME));
            }
          }
          result = isOK;
        } else {
          canPlay = (a && typeof a.canPlayType === 'function' ? a.canPlayType(m) : false);
          result = !!(canPlay && (canPlay.match(sm2.html5Test)));
        }
  
        return result;
  
      }
  
      // test all registered formats + codecs
  
      aF = sm2.audioFormats;
  
      for (item in aF) {
  
        if (aF.hasOwnProperty(item)) {
  
          lookup = 'audio/' + item;
  
          support[item] = cp(aF[item].type);
  
          // write back generic type too, eg. audio/mp3
          support[lookup] = support[item];
  
          // assign flash
          if (item.match(flashMIME)) {
  
            sm2.flash[item] = true;
            sm2.flash[lookup] = true;
  
          } else {
  
            sm2.flash[item] = false;
            sm2.flash[lookup] = false;
  
          }
  
          // assign result to related formats, too
  
          if (aF[item] && aF[item].related) {
  
            for (i=aF[item].related.length-1; i >= 0; i--) {
  
              // eg. audio/m4a
              support['audio/'+aF[item].related[i]] = support[item];
              sm2.html5[aF[item].related[i]] = support[item];
              sm2.flash[aF[item].related[i]] = support[item];
  
            }
  
          }
  
        }
  
      }
  
      support.canPlayType = (a?cp:null);
      sm2.html5 = mixin(sm2.html5, support);
  
      sm2.html5.usingFlash = featureCheck();
      needsFlash = sm2.html5.usingFlash;
  
      return true;
  
    };
  
    strings = {
  
      // <d>
      notReady: 'Unavailable - wait until onready() has fired.',
      notOK: 'Audio support is not available.',
      domError: sm + 'exception caught while appending SWF to DOM.',
      spcWmode: 'Removing wmode, preventing known SWF loading issue(s)',
      swf404: smc + 'Verify that %s is a valid path.',
      tryDebug: 'Try ' + sm + '.debugFlash = true for more security details (output goes to SWF.)',
      checkSWF: 'See SWF output for more debug info.',
      localFail: smc + 'Non-HTTP page (' + doc.location.protocol + ' URL?) Review Flash player security settings for this special case:\nhttp://www.macromedia.com/support/documentation/en/flashplayer/help/settings_manager04.html\nMay need to add/allow path, eg. c:/sm2/ or /users/me/sm2/',
      waitFocus: smc + 'Special case: Waiting for SWF to load with window focus...',
      waitForever: smc + 'Waiting indefinitely for Flash (will recover if unblocked)...',
      waitSWF: smc + 'Waiting for 100% SWF load...',
      needFunction: smc + 'Function object expected for %s',
      badID: 'Sound ID "%s" should be a string, starting with a non-numeric character',
      currentObj: smc + '_debug(): Current sound objects',
      waitOnload: smc + 'Waiting for window.onload()',
      docLoaded: smc + 'Document already loaded',
      onload: smc + 'initComplete(): calling soundManager.onload()',
      onloadOK: sm + '.onload() complete',
      didInit: smc + 'init(): Already called?',
      secNote: 'Flash security note: Network/internet URLs will not load due to security restrictions. Access can be configured via Flash Player Global Security Settings Page: http://www.macromedia.com/support/documentation/en/flashplayer/help/settings_manager04.html',
      badRemove: smc + 'Failed to remove Flash node.',
      shutdown: sm + '.disable(): Shutting down',
      queue: smc + 'Queueing %s handler',
      smError: 'SMSound.load(): Exception: JS-Flash communication failed, or JS error.',
      fbTimeout: 'No flash response, applying .'+swfCSS.swfTimedout+' CSS...',
      fbLoaded: 'Flash loaded',
      fbHandler: smc + 'flashBlockHandler()',
      manURL: 'SMSound.load(): Using manually-assigned URL',
      onURL: sm + '.load(): current URL already assigned.',
      badFV: sm + '.flashVersion must be 8 or 9. "%s" is invalid. Reverting to %s.',
      as2loop: 'Note: Setting stream:false so looping can work (flash 8 limitation)',
      noNSLoop: 'Note: Looping not implemented for MovieStar formats',
      needfl9: 'Note: Switching to flash 9, required for MP4 formats.',
      mfTimeout: 'Setting flashLoadTimeout = 0 (infinite) for off-screen, mobile flash case',
      needFlash: smc + 'Fatal error: Flash is needed to play some required formats, but is not available.',
      gotFocus: smc + 'Got window focus.',
      policy: 'Enabling usePolicyFile for data access',
      setup: sm + '.setup(): allowed parameters: %s',
      setupError: sm + '.setup(): "%s" cannot be assigned with this method.',
      setupUndef: sm + '.setup(): Could not find option "%s"',
      setupLate: sm + '.setup(): url, flashVersion and html5Test property changes will not take effect until reboot().',
      noURL: smc + 'Flash URL required. Call soundManager.setup({url:...}) to get started.',
      sm2Loaded: 'SoundManager 2: Ready.',
      reset: sm + '.reset(): Removing event callbacks',
      mobileUA: 'Mobile UA detected, preferring HTML5 by default.',
      globalHTML5: 'Using singleton HTML5 Audio() pattern for this device.'
      // </d>
  
    };
  
    str = function() {
  
      // internal string replace helper.
      // arguments: o [,items to replace]
      // <d>
  
      var args,
          i, j, o,
          sstr;
  
      // real array, please
      args = slice.call(arguments);
  
      // first argument
      o = args.shift();
  
      sstr = (strings && strings[o] ? strings[o] : '');
  
      if (sstr && args && args.length) {
        for (i = 0, j = args.length; i < j; i++) {
          sstr = sstr.replace('%s', args[i]);
        }
      }
  
      return sstr;
      // </d>
  
    };
  
    loopFix = function(sOpt) {
  
      // flash 8 requires stream = false for looping to work
      if (fV === 8 && sOpt.loops > 1 && sOpt.stream) {
        _wDS('as2loop');
        sOpt.stream = false;
      }
  
      return sOpt;
  
    };
  
    policyFix = function(sOpt, sPre) {
  
      if (sOpt && !sOpt.usePolicyFile && (sOpt.onid3 || sOpt.usePeakData || sOpt.useWaveformData || sOpt.useEQData)) {
        sm2._wD((sPre || '') + str('policy'));
        sOpt.usePolicyFile = true;
      }
  
      return sOpt;
  
    };
  
    complain = function(sMsg) {
  
      // <d>
      if (hasConsole && console.warn !== _undefined) {
        console.warn(sMsg);
      } else {
        sm2._wD(sMsg);
      }
      // </d>
  
    };
  
    doNothing = function() {
  
      return false;
  
    };
  
    disableObject = function(o) {
  
      var oProp;
  
      for (oProp in o) {
        if (o.hasOwnProperty(oProp) && typeof o[oProp] === 'function') {
          o[oProp] = doNothing;
        }
      }
  
      oProp = null;
  
    };
  
    failSafely = function(bNoDisable) {
  
      // general failure exception handler
  
      if (bNoDisable === _undefined) {
        bNoDisable = false;
      }
  
      if (disabled || bNoDisable) {
        sm2.disable(bNoDisable);
      }
  
    };
  
    normalizeMovieURL = function(smURL) {
  
      var urlParams = null, url;
  
      if (smURL) {
        if (smURL.match(/\.swf(\?.*)?$/i)) {
          urlParams = smURL.substr(smURL.toLowerCase().lastIndexOf('.swf?') + 4);
          if (urlParams) {
            // assume user knows what they're doing
            return smURL;
          }
        } else if (smURL.lastIndexOf('/') !== smURL.length - 1) {
          // append trailing slash, if needed
          smURL += '/';
        }
      }
  
      url = (smURL && smURL.lastIndexOf('/') !== - 1 ? smURL.substr(0, smURL.lastIndexOf('/') + 1) : './') + sm2.movieURL;
  
      if (sm2.noSWFCache) {
        url += ('?ts=' + new Date().getTime());
      }
  
      return url;
  
    };
  
    setVersionInfo = function() {
  
      // short-hand for internal use
  
      fV = parseInt(sm2.flashVersion, 10);
  
      if (fV !== 8 && fV !== 9) {
        sm2._wD(str('badFV', fV, defaultFlashVersion));
        sm2.flashVersion = fV = defaultFlashVersion;
      }
  
      // debug flash movie, if applicable
  
      var isDebug = (sm2.debugMode || sm2.debugFlash?'_debug.swf':'.swf');
  
      if (sm2.useHTML5Audio && !sm2.html5Only && sm2.audioFormats.mp4.required && fV < 9) {
        sm2._wD(str('needfl9'));
        sm2.flashVersion = fV = 9;
      }
  
      sm2.version = sm2.versionNumber + (sm2.html5Only?' (HTML5-only mode)':(fV === 9?' (AS3/Flash 9)':' (AS2/Flash 8)'));
  
      // set up default options
      if (fV > 8) {
        // +flash 9 base options
        sm2.defaultOptions = mixin(sm2.defaultOptions, sm2.flash9Options);
        sm2.features.buffering = true;
        // +moviestar support
        sm2.defaultOptions = mixin(sm2.defaultOptions, sm2.movieStarOptions);
        sm2.filePatterns.flash9 = new RegExp('\\.(mp3|' + netStreamTypes.join('|') + ')(\\?.*)?$', 'i');
        sm2.features.movieStar = true;
      } else {
        sm2.features.movieStar = false;
      }
  
      // regExp for flash canPlay(), etc.
      sm2.filePattern = sm2.filePatterns[(fV !== 8?'flash9':'flash8')];
  
      // if applicable, use _debug versions of SWFs
      sm2.movieURL = (fV === 8?'soundmanager2.swf':'soundmanager2_flash9.swf').replace('.swf', isDebug);
  
      sm2.features.peakData = sm2.features.waveformData = sm2.features.eqData = (fV > 8);
  
    };
  
    setPolling = function(bPolling, bHighPerformance) {
  
      if (!flash) {
        return false;
      }
  
      flash._setPolling(bPolling, bHighPerformance);
  
    };
  
    initDebug = function() {
  
      // starts debug mode, creating output <div> for UAs without console object
  
      // allow force of debug mode via URL
      // <d>
      if (sm2.debugURLParam.test(wl)) {
        sm2.debugMode = true;
      }
  
      if (id(sm2.debugID)) {
        return false;
      }
  
      var oD, oDebug, oTarget, oToggle, tmp;
  
      if (sm2.debugMode && !id(sm2.debugID) && (!hasConsole || !sm2.useConsole || !sm2.consoleOnly)) {
  
        oD = doc.createElement('div');
        oD.id = sm2.debugID + '-toggle';
  
        oToggle = {
          'position': 'fixed',
          'bottom': '0px',
          'right': '0px',
          'width': '1.2em',
          'height': '1.2em',
          'lineHeight': '1.2em',
          'margin': '2px',
          'textAlign': 'center',
          'border': '1px solid #999',
          'cursor': 'pointer',
          'background': '#fff',
          'color': '#333',
          'zIndex': 10001
        };
  
        oD.appendChild(doc.createTextNode('-'));
        oD.onclick = toggleDebug;
        oD.title = 'Toggle SM2 debug console';
  
        if (ua.match(/msie 6/i)) {
          oD.style.position = 'absolute';
          oD.style.cursor = 'hand';
        }
  
        for (tmp in oToggle) {
          if (oToggle.hasOwnProperty(tmp)) {
            oD.style[tmp] = oToggle[tmp];
          }
        }
  
        oDebug = doc.createElement('div');
        oDebug.id = sm2.debugID;
        oDebug.style.display = (sm2.debugMode?'block':'none');
  
        if (sm2.debugMode && !id(oD.id)) {
          try {
            oTarget = getDocument();
            oTarget.appendChild(oD);
          } catch(e2) {
            throw new Error(str('domError')+' \n'+e2.toString());
          }
          oTarget.appendChild(oDebug);
        }
  
      }
  
      oTarget = null;
      // </d>
  
    };
  
    idCheck = this.getSoundById;
  
    // <d>
    _wDS = function(o, errorLevel) {
  
      return (!o ? '' : sm2._wD(str(o), errorLevel));
  
    };
  
    toggleDebug = function() {
  
      var o = id(sm2.debugID),
      oT = id(sm2.debugID + '-toggle');
  
      if (!o) {
        return false;
      }
  
      if (debugOpen) {
        // minimize
        oT.innerHTML = '+';
        o.style.display = 'none';
      } else {
        oT.innerHTML = '-';
        o.style.display = 'block';
      }
  
      debugOpen = !debugOpen;
  
    };
  
    debugTS = function(sEventType, bSuccess, sMessage) {
  
      // troubleshooter debug hooks
  
      if (window.sm2Debugger !== _undefined) {
        try {
          sm2Debugger.handleEvent(sEventType, bSuccess, sMessage);
        } catch(e) {
          // oh well
          return false;
        }
      }
  
      return true;
  
    };
    // </d>
  
    getSWFCSS = function() {
  
      var css = [];
  
      if (sm2.debugMode) {
        css.push(swfCSS.sm2Debug);
      }
  
      if (sm2.debugFlash) {
        css.push(swfCSS.flashDebug);
      }
  
      if (sm2.useHighPerformance) {
        css.push(swfCSS.highPerf);
      }
  
      return css.join(' ');
  
    };
  
    flashBlockHandler = function() {
  
      // *possible* flash block situation.
  
      var name = str('fbHandler'),
          p = sm2.getMoviePercent(),
          css = swfCSS,
          error = {type:'FLASHBLOCK'};
  
      if (sm2.html5Only) {
        // no flash, or unused
        return false;
      }
  
      if (!sm2.ok()) {
  
        if (needsFlash) {
          // make the movie more visible, so user can fix
          sm2.oMC.className = getSWFCSS() + ' ' + css.swfDefault + ' ' + (p === null?css.swfTimedout:css.swfError);
          sm2._wD(name + ': ' + str('fbTimeout') + (p ? ' (' + str('fbLoaded') + ')' : ''));
        }
  
        sm2.didFlashBlock = true;
  
        // fire onready(), complain lightly
        processOnEvents({type:'ontimeout', ignoreInit:true, error:error});
        catchError(error);
  
      } else {
  
        // SM2 loaded OK (or recovered)
  
        // <d>
        if (sm2.didFlashBlock) {
          sm2._wD(name + ': Unblocked');
        }
        // </d>
  
        if (sm2.oMC) {
          sm2.oMC.className = [getSWFCSS(), css.swfDefault, css.swfLoaded + (sm2.didFlashBlock?' '+css.swfUnblocked:'')].join(' ');
        }
  
      }
  
    };
  
    addOnEvent = function(sType, oMethod, oScope) {
  
      if (on_queue[sType] === _undefined) {
        on_queue[sType] = [];
      }
  
      on_queue[sType].push({
        'method': oMethod,
        'scope': (oScope || null),
        'fired': false
      });
  
    };
  
    processOnEvents = function(oOptions) {
  
      // if unspecified, assume OK/error
  
      if (!oOptions) {
        oOptions = {
          type: (sm2.ok() ? 'onready' : 'ontimeout')
        };
      }
  
      if (!didInit && oOptions && !oOptions.ignoreInit) {
        // not ready yet.
        return false;
      }
  
      if (oOptions.type === 'ontimeout' && (sm2.ok() || (disabled && !oOptions.ignoreInit))) {
        // invalid case
        return false;
      }
  
      var status = {
            success: (oOptions && oOptions.ignoreInit?sm2.ok():!disabled)
          },
  
          // queue specified by type, or none
          srcQueue = (oOptions && oOptions.type?on_queue[oOptions.type]||[]:[]),
  
          queue = [], i, j,
          args = [status],
          canRetry = (needsFlash && !sm2.ok());
  
      if (oOptions.error) {
        args[0].error = oOptions.error;
      }
  
      for (i = 0, j = srcQueue.length; i < j; i++) {
        if (srcQueue[i].fired !== true) {
          queue.push(srcQueue[i]);
        }
      }
  
      if (queue.length) {
        // sm2._wD(sm + ': Firing ' + queue.length + ' ' + oOptions.type + '() item' + (queue.length === 1 ? '' : 's'));
        for (i = 0, j = queue.length; i < j; i++) {
          if (queue[i].scope) {
            queue[i].method.apply(queue[i].scope, args);
          } else {
            queue[i].method.apply(this, args);
          }
          if (!canRetry) {
            // useFlashBlock and SWF timeout case doesn't count here.
            queue[i].fired = true;
          }
        }
      }
  
      return true;
  
    };
  
    initUserOnload = function() {
  
      window.setTimeout(function() {
  
        if (sm2.useFlashBlock) {
          flashBlockHandler();
        }
  
        processOnEvents();
  
        // call user-defined "onload", scoped to window
  
        if (typeof sm2.onload === 'function') {
          _wDS('onload', 1);
          sm2.onload.apply(window);
          _wDS('onloadOK', 1);
        }
  
        if (sm2.waitForWindowLoad) {
          event.add(window, 'load', initUserOnload);
        }
  
      },1);
  
    };
  
    detectFlash = function() {
  
      // hat tip: Flash Detect library (BSD, (C) 2007) by Carl "DocYes" S. Yestrau - http://featureblend.com/javascript-flash-detection-library.html / http://featureblend.com/license.txt
  
      if (hasFlash !== _undefined) {
        // this work has already been done.
        return hasFlash;
      }
  
      var hasPlugin = false, n = navigator, nP = n.plugins, obj, type, types, AX = window.ActiveXObject;
  
      if (nP && nP.length) {
        type = 'application/x-shockwave-flash';
        types = n.mimeTypes;
        if (types && types[type] && types[type].enabledPlugin && types[type].enabledPlugin.description) {
          hasPlugin = true;
        }
      } else if (AX !== _undefined && !ua.match(/MSAppHost/i)) {
        // Windows 8 Store Apps (MSAppHost) are weird (compatibility?) and won't complain here, but will barf if Flash/ActiveX object is appended to the DOM.
        try {
          obj = new AX('ShockwaveFlash.ShockwaveFlash');
        } catch(e) {
          // oh well
          obj = null;
        }
        hasPlugin = (!!obj);
        // cleanup, because it is ActiveX after all
        obj = null;
      }
  
      hasFlash = hasPlugin;
  
      return hasPlugin;
  
    };
  
    featureCheck = function() {
  
      var flashNeeded,
          item,
          formats = sm2.audioFormats,
          // iPhone <= 3.1 has broken HTML5 audio(), but firmware 3.2 (original iPad) + iOS4 works.
          isSpecial = (is_iDevice && !!(ua.match(/os (1|2|3_0|3_1)/i)));
  
      if (isSpecial) {
  
        // has Audio(), but is broken; let it load links directly.
        sm2.hasHTML5 = false;
  
        // ignore flash case, however
        sm2.html5Only = true;
  
        // hide the SWF, if present
        if (sm2.oMC) {
          sm2.oMC.style.display = 'none';
        }
  
      } else {
  
        if (sm2.useHTML5Audio) {
  
          if (!sm2.html5 || !sm2.html5.canPlayType) {
            sm2._wD('SoundManager: No HTML5 Audio() support detected.');
            sm2.hasHTML5 = false;
          }
  
          // <d>
          if (isBadSafari) {
            sm2._wD(smc + 'Note: Buggy HTML5 Audio in Safari on this OS X release, see https://bugs.webkit.org/show_bug.cgi?id=32159 - ' + (!hasFlash ?' would use flash fallback for MP3/MP4, but none detected.' : 'will use flash fallback for MP3/MP4, if available'), 1);
          }
          // </d>
  
        }
  
      }
  
      if (sm2.useHTML5Audio && sm2.hasHTML5) {
  
        // sort out whether flash is optional, required or can be ignored.
  
        // innocent until proven guilty.
        canIgnoreFlash = true;
  
        for (item in formats) {
          if (formats.hasOwnProperty(item)) {
            if (formats[item].required) {
              if (!sm2.html5.canPlayType(formats[item].type)) {
                // 100% HTML5 mode is not possible.
                canIgnoreFlash = false;
                flashNeeded = true;
              } else if (sm2.preferFlash && (sm2.flash[item] || sm2.flash[formats[item].type])) {
                // flash may be required, or preferred for this format.
                flashNeeded = true;
              }
            }
          }
        }
  
      }
  
      // sanity check...
      if (sm2.ignoreFlash) {
        flashNeeded = false;
        canIgnoreFlash = true;
      }
  
      sm2.html5Only = (sm2.hasHTML5 && sm2.useHTML5Audio && !flashNeeded);
  
      return (!sm2.html5Only);
  
    };
  
    parseURL = function(url) {
  
      /**
       * Internal: Finds and returns the first playable URL (or failing that, the first URL.)
       * @param {string or array} url A single URL string, OR, an array of URL strings or {url:'/path/to/resource', type:'audio/mp3'} objects.
       */
  
      var i, j, urlResult = 0, result;
  
      if (url instanceof Array) {
  
        // find the first good one
        for (i=0, j=url.length; i<j; i++) {
  
          if (url[i] instanceof Object) {
            // MIME check
            if (sm2.canPlayMIME(url[i].type)) {
              urlResult = i;
              break;
            }
  
          } else if (sm2.canPlayURL(url[i])) {
            // URL string check
            urlResult = i;
            break;
          }
  
        }
  
        // normalize to string
        if (url[urlResult].url) {
          url[urlResult] = url[urlResult].url;
        }
  
        result = url[urlResult];
  
      } else {
  
        // single URL case
        result = url;
  
      }
  
      return result;
  
    };
  
  
    startTimer = function(oSound) {
  
      /**
       * attach a timer to this sound, and start an interval if needed
       */
  
      if (!oSound._hasTimer) {
  
        oSound._hasTimer = true;
  
        if (!mobileHTML5 && sm2.html5PollingInterval) {
  
          if (h5IntervalTimer === null && h5TimerCount === 0) {
  
            h5IntervalTimer = setInterval(timerExecute, sm2.html5PollingInterval);
  
          }
  
          h5TimerCount++;
  
        }
  
      }
  
    };
  
    stopTimer = function(oSound) {
  
      /**
       * detach a timer
       */
  
      if (oSound._hasTimer) {
  
        oSound._hasTimer = false;
  
        if (!mobileHTML5 && sm2.html5PollingInterval) {
  
          // interval will stop itself at next execution.
  
          h5TimerCount--;
  
        }
  
      }
  
    };
  
    timerExecute = function() {
  
      /**
       * manual polling for HTML5 progress events, ie., whileplaying() (can achieve greater precision than conservative default HTML5 interval)
       */
  
      var i;
  
      if (h5IntervalTimer !== null && !h5TimerCount) {
  
        // no active timers, stop polling interval.
  
        clearInterval(h5IntervalTimer);
  
        h5IntervalTimer = null;
  
        return false;
  
      }
  
      // check all HTML5 sounds with timers
  
      for (i = sm2.soundIDs.length-1; i >= 0; i--) {
  
        if (sm2.sounds[sm2.soundIDs[i]].isHTML5 && sm2.sounds[sm2.soundIDs[i]]._hasTimer) {
  
          sm2.sounds[sm2.soundIDs[i]]._onTimer();
  
        }
  
      }
  
    };
  
    catchError = function(options) {
  
      options = (options !== _undefined ? options : {});
  
      if (typeof sm2.onerror === 'function') {
        sm2.onerror.apply(window, [{type:(options.type !== _undefined ? options.type : null)}]);
      }
  
      if (options.fatal !== _undefined && options.fatal) {
        sm2.disable();
      }
  
    };
  
    badSafariFix = function() {
  
      // special case: "bad" Safari (OS X 10.3 - 10.7) must fall back to flash for MP3/MP4
      if (!isBadSafari || !detectFlash()) {
        // doesn't apply
        return false;
      }
  
      var aF = sm2.audioFormats, i, item;
  
      for (item in aF) {
        if (aF.hasOwnProperty(item)) {
          if (item === 'mp3' || item === 'mp4') {
            sm2._wD(sm + ': Using flash fallback for ' + item + ' format');
            sm2.html5[item] = false;
            // assign result to related formats, too
            if (aF[item] && aF[item].related) {
              for (i = aF[item].related.length-1; i >= 0; i--) {
                sm2.html5[aF[item].related[i]] = false;
              }
            }
          }
        }
      }
  
    };
  
    /**
     * Pseudo-private flash/ExternalInterface methods
     * ----------------------------------------------
     */
  
    this._setSandboxType = function(sandboxType) {
  
      // <d>
      var sb = sm2.sandbox;
  
      sb.type = sandboxType;
      sb.description = sb.types[(sb.types[sandboxType] !== _undefined?sandboxType:'unknown')];
  
      if (sb.type === 'localWithFile') {
  
        sb.noRemote = true;
        sb.noLocal = false;
        _wDS('secNote', 2);
  
      } else if (sb.type === 'localWithNetwork') {
  
        sb.noRemote = false;
        sb.noLocal = true;
  
      } else if (sb.type === 'localTrusted') {
  
        sb.noRemote = false;
        sb.noLocal = false;
  
      }
      // </d>
  
    };
  
    this._externalInterfaceOK = function(swfVersion) {
  
      // flash callback confirming flash loaded, EI working etc.
      // swfVersion: SWF build string
  
      if (sm2.swfLoaded) {
        return false;
      }
  
      var e;
  
      debugTS('swf', true);
      debugTS('flashtojs', true);
      sm2.swfLoaded = true;
      tryInitOnFocus = false;
  
      if (isBadSafari) {
        badSafariFix();
      }
  
      // complain if JS + SWF build/version strings don't match, excluding +DEV builds
      // <d>
      if (!swfVersion || swfVersion.replace(/\+dev/i,'') !== sm2.versionNumber.replace(/\+dev/i, '')) {
  
        e = sm + ': Fatal: JavaScript file build "' + sm2.versionNumber + '" does not match Flash SWF build "' + swfVersion + '" at ' + sm2.url + '. Ensure both are up-to-date.';
  
        // escape flash -> JS stack so this error fires in window.
        setTimeout(function versionMismatch() {
          throw new Error(e);
        }, 0);
  
        // exit, init will fail with timeout
        return false;
  
      }
      // </d>
  
      // IE needs a larger timeout
      setTimeout(init, isIE ? 100 : 1);
  
    };
  
    /**
     * Private initialization helpers
     * ------------------------------
     */
  
    createMovie = function(smID, smURL) {
  
      if (didAppend && appendSuccess) {
        // ignore if already succeeded
        return false;
      }
  
      function initMsg() {
  
        // <d>
  
        var options = [],
            title,
            msg = [],
            delimiter = ' + ';
  
        title = 'SoundManager ' + sm2.version + (!sm2.html5Only && sm2.useHTML5Audio ? (sm2.hasHTML5 ? ' + HTML5 audio' : ', no HTML5 audio support') : '');
  
        if (!sm2.html5Only) {
  
          if (sm2.preferFlash) {
            options.push('preferFlash');
          }
  
          if (sm2.useHighPerformance) {
            options.push('useHighPerformance');
          }
  
          if (sm2.flashPollingInterval) {
            options.push('flashPollingInterval (' + sm2.flashPollingInterval + 'ms)');
          }
  
          if (sm2.html5PollingInterval) {
            options.push('html5PollingInterval (' + sm2.html5PollingInterval + 'ms)');
          }
  
          if (sm2.wmode) {
            options.push('wmode (' + sm2.wmode + ')');
          }
  
          if (sm2.debugFlash) {
            options.push('debugFlash');
          }
  
          if (sm2.useFlashBlock) {
            options.push('flashBlock');
          }
  
        } else {
  
          if (sm2.html5PollingInterval) {
            options.push('html5PollingInterval (' + sm2.html5PollingInterval + 'ms)');
          }
  
        }
  
        if (options.length) {
          msg = msg.concat([options.join(delimiter)]);
        }
  
        sm2._wD(title + (msg.length ? delimiter + msg.join(', ') : ''), 1);
  
        showSupport();
  
        // </d>
  
      }
  
      if (sm2.html5Only) {
  
        // 100% HTML5 mode
        setVersionInfo();
  
        initMsg();
        sm2.oMC = id(sm2.movieID);
        init();
  
        // prevent multiple init attempts
        didAppend = true;
  
        appendSuccess = true;
  
        return false;
  
      }
  
      // flash path
      var remoteURL = (smURL || sm2.url),
      localURL = (sm2.altURL || remoteURL),
      swfTitle = 'JS/Flash audio component (SoundManager 2)',
      oTarget = getDocument(),
      extraClass = getSWFCSS(),
      isRTL = null,
      html = doc.getElementsByTagName('html')[0],
      oEmbed, oMovie, tmp, movieHTML, oEl, s, x, sClass;
  
      isRTL = (html && html.dir && html.dir.match(/rtl/i));
      smID = (smID === _undefined?sm2.id:smID);
  
      function param(name, value) {
        return '<param name="'+name+'" value="'+value+'" />';
      }
  
      // safety check for legacy (change to Flash 9 URL)
      setVersionInfo();
      sm2.url = normalizeMovieURL(overHTTP?remoteURL:localURL);
      smURL = sm2.url;
  
      sm2.wmode = (!sm2.wmode && sm2.useHighPerformance ? 'transparent' : sm2.wmode);
  
      if (sm2.wmode !== null && (ua.match(/msie 8/i) || (!isIE && !sm2.useHighPerformance)) && navigator.platform.match(/win32|win64/i)) {
        /**
         * extra-special case: movie doesn't load until scrolled into view when using wmode = anything but 'window' here
         * does not apply when using high performance (position:fixed means on-screen), OR infinite flash load timeout
         * wmode breaks IE 8 on Vista + Win7 too in some cases, as of January 2011 (?)
         */
         messages.push(strings.spcWmode);
        sm2.wmode = null;
      }
  
      oEmbed = {
        'name': smID,
        'id': smID,
        'src': smURL,
        'quality': 'high',
        'allowScriptAccess': sm2.allowScriptAccess,
        'bgcolor': sm2.bgColor,
        'pluginspage': http+'www.macromedia.com/go/getflashplayer',
        'title': swfTitle,
        'type': 'application/x-shockwave-flash',
        'wmode': sm2.wmode,
        // http://help.adobe.com/en_US/as3/mobile/WS4bebcd66a74275c36cfb8137124318eebc6-7ffd.html
        'hasPriority': 'true'
      };
  
      if (sm2.debugFlash) {
        oEmbed.FlashVars = 'debug=1';
      }
  
      if (!sm2.wmode) {
        // don't write empty attribute
        delete oEmbed.wmode;
      }
  
      if (isIE) {
  
        // IE is "special".
        oMovie = doc.createElement('div');
        movieHTML = [
          '<object id="' + smID + '" data="' + smURL + '" type="' + oEmbed.type + '" title="' + oEmbed.title +'" classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="' + http+'download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,40,0">',
          param('movie', smURL),
          param('AllowScriptAccess', sm2.allowScriptAccess),
          param('quality', oEmbed.quality),
          (sm2.wmode? param('wmode', sm2.wmode): ''),
          param('bgcolor', sm2.bgColor),
          param('hasPriority', 'true'),
          (sm2.debugFlash ? param('FlashVars', oEmbed.FlashVars) : ''),
          '</object>'
        ].join('');
  
      } else {
  
        oMovie = doc.createElement('embed');
        for (tmp in oEmbed) {
          if (oEmbed.hasOwnProperty(tmp)) {
            oMovie.setAttribute(tmp, oEmbed[tmp]);
          }
        }
  
      }
  
      initDebug();
      extraClass = getSWFCSS();
      oTarget = getDocument();
  
      if (oTarget) {
  
        sm2.oMC = (id(sm2.movieID) || doc.createElement('div'));
  
        if (!sm2.oMC.id) {
  
          sm2.oMC.id = sm2.movieID;
          sm2.oMC.className = swfCSS.swfDefault + ' ' + extraClass;
          s = null;
          oEl = null;
  
          if (!sm2.useFlashBlock) {
            if (sm2.useHighPerformance) {
              // on-screen at all times
              s = {
                'position': 'fixed',
                'width': '8px',
                'height': '8px',
                // >= 6px for flash to run fast, >= 8px to start up under Firefox/win32 in some cases. odd? yes.
                'bottom': '0px',
                'left': '0px',
                'overflow': 'hidden'
              };
            } else {
              // hide off-screen, lower priority
              s = {
                'position': 'absolute',
                'width': '6px',
                'height': '6px',
                'top': '-9999px',
                'left': '-9999px'
              };
              if (isRTL) {
                s.left = Math.abs(parseInt(s.left,10))+'px';
              }
            }
          }
  
          if (isWebkit) {
            // soundcloud-reported render/crash fix, safari 5
            sm2.oMC.style.zIndex = 10000;
          }
  
          if (!sm2.debugFlash) {
            for (x in s) {
              if (s.hasOwnProperty(x)) {
                sm2.oMC.style[x] = s[x];
              }
            }
          }
  
          try {
            if (!isIE) {
              sm2.oMC.appendChild(oMovie);
            }
            oTarget.appendChild(sm2.oMC);
            if (isIE) {
              oEl = sm2.oMC.appendChild(doc.createElement('div'));
              oEl.className = swfCSS.swfBox;
              oEl.innerHTML = movieHTML;
            }
            appendSuccess = true;
          } catch(e) {
            throw new Error(str('domError')+' \n'+e.toString());
          }
  
        } else {
  
          // SM2 container is already in the document (eg. flashblock use case)
          sClass = sm2.oMC.className;
          sm2.oMC.className = (sClass?sClass+' ':swfCSS.swfDefault) + (extraClass?' '+extraClass:'');
          sm2.oMC.appendChild(oMovie);
          if (isIE) {
            oEl = sm2.oMC.appendChild(doc.createElement('div'));
            oEl.className = swfCSS.swfBox;
            oEl.innerHTML = movieHTML;
          }
          appendSuccess = true;
  
        }
  
      }
  
      didAppend = true;
      initMsg();
      // sm2._wD(sm + ': Trying to load ' + smURL + (!overHTTP && sm2.altURL ? ' (alternate URL)' : ''), 1);
  
      return true;
  
    };
  
    initMovie = function() {
  
      if (sm2.html5Only) {
        createMovie();
        return false;
      }
  
      // attempt to get, or create, movie (may already exist)
      if (flash) {
        return false;
      }
  
      if (!sm2.url) {
  
        /**
         * Something isn't right - we've reached init, but the soundManager url property has not been set.
         * User has not called setup({url: ...}), or has not set soundManager.url (legacy use case) directly before init time.
         * Notify and exit. If user calls setup() with a url: property, init will be restarted as in the deferred loading case.
         */
  
         _wDS('noURL');
         return false;
  
      }
  
      // inline markup case
      flash = sm2.getMovie(sm2.id);
  
      if (!flash) {
        if (!oRemoved) {
          // try to create
          createMovie(sm2.id, sm2.url);
        } else {
          // try to re-append removed movie after reboot()
          if (!isIE) {
            sm2.oMC.appendChild(oRemoved);
          } else {
            sm2.oMC.innerHTML = oRemovedHTML;
          }
          oRemoved = null;
          didAppend = true;
        }
        flash = sm2.getMovie(sm2.id);
      }
  
      if (typeof sm2.oninitmovie === 'function') {
        setTimeout(sm2.oninitmovie, 1);
      }
  
      // <d>
      flushMessages();
      // </d>
  
      return true;
  
    };
  
    delayWaitForEI = function() {
  
      setTimeout(waitForEI, 1000);
  
    };
  
    rebootIntoHTML5 = function() {
  
      // special case: try for a reboot with preferFlash: false, if 100% HTML5 mode is possible and useFlashBlock is not enabled.
  
      window.setTimeout(function() {
  
        complain(smc + 'useFlashBlock is false, 100% HTML5 mode is possible. Rebooting with preferFlash: false...');
  
        sm2.setup({
          preferFlash: false
        }).reboot();
  
        // if for some reason you want to detect this case, use an ontimeout() callback and look for html5Only and didFlashBlock == true.
        sm2.didFlashBlock = true;
  
        sm2.beginDelayedInit();
  
      }, 1);
  
    };
  
    waitForEI = function() {
  
      var p,
          loadIncomplete = false;
  
      if (!sm2.url) {
        // No SWF url to load (noURL case) - exit for now. Will be retried when url is set.
        return false;
      }
  
      if (waitingForEI) {
        return false;
      }
  
      waitingForEI = true;
      event.remove(window, 'load', delayWaitForEI);
  
      if (hasFlash && tryInitOnFocus && !isFocused) {
        // Safari won't load flash in background tabs, only when focused.
        _wDS('waitFocus');
        return false;
      }
  
      if (!didInit) {
        p = sm2.getMoviePercent();
        if (p > 0 && p < 100) {
          loadIncomplete = true;
        }
      }
  
      setTimeout(function() {
  
        p = sm2.getMoviePercent();
  
        if (loadIncomplete) {
          // special case: if movie *partially* loaded, retry until it's 100% before assuming failure.
          waitingForEI = false;
          sm2._wD(str('waitSWF'));
          window.setTimeout(delayWaitForEI, 1);
          return false;
        }
  
        // <d>
        if (!didInit) {
  
          sm2._wD(sm + ': No Flash response within expected time. Likely causes: ' + (p === 0 ? 'SWF load failed, ':'') + 'Flash blocked or JS-Flash security error.' + (sm2.debugFlash?' ' + str('checkSWF'):''), 2);
  
          if (!overHTTP && p) {
  
            _wDS('localFail', 2);
  
            if (!sm2.debugFlash) {
              _wDS('tryDebug', 2);
            }
  
          }
  
          if (p === 0) {
  
            // if 0 (not null), probably a 404.
            sm2._wD(str('swf404', sm2.url), 1);
  
          }
  
          debugTS('flashtojs', false, ': Timed out' + overHTTP?' (Check flash security or flash blockers)':' (No plugin/missing SWF?)');
  
        }
        // </d>
  
        // give up / time-out, depending
  
        if (!didInit && okToDisable) {
  
          if (p === null) {
  
            // SWF failed to report load progress. Possibly blocked.
  
            if (sm2.useFlashBlock || sm2.flashLoadTimeout === 0) {
  
              if (sm2.useFlashBlock) {
  
                flashBlockHandler();
  
              }
  
              _wDS('waitForever');
  
            } else {
  
              // no custom flash block handling, but SWF has timed out. Will recover if user unblocks / allows SWF load.
  
              if (!sm2.useFlashBlock && canIgnoreFlash) {
  
                rebootIntoHTML5();
  
              } else {
  
                _wDS('waitForever');
  
                // fire any regular registered ontimeout() listeners.
                processOnEvents({type:'ontimeout', ignoreInit: true, error: {type: 'INIT_FLASHBLOCK'}});
  
              }
  
            }
  
          } else {
  
            // SWF loaded? Shouldn't be a blocking issue, then.
  
            if (sm2.flashLoadTimeout === 0) {
  
              _wDS('waitForever');
  
            } else {
  
              if (!sm2.useFlashBlock && canIgnoreFlash) {
  
                rebootIntoHTML5();
  
              } else {
  
                failSafely(true);
  
              }
  
            }
  
          }
  
        }
  
      }, sm2.flashLoadTimeout);
  
    };
  
    handleFocus = function() {
  
      function cleanup() {
        event.remove(window, 'focus', handleFocus);
      }
  
      if (isFocused || !tryInitOnFocus) {
        // already focused, or not special Safari background tab case
        cleanup();
        return true;
      }
  
      okToDisable = true;
      isFocused = true;
      _wDS('gotFocus');
  
      // allow init to restart
      waitingForEI = false;
  
      // kick off ExternalInterface timeout, now that the SWF has started
      delayWaitForEI();
  
      cleanup();
      return true;
  
    };
  
    flushMessages = function() {
  
      // <d>
  
      // SM2 pre-init debug messages
      if (messages.length) {
        sm2._wD('SoundManager 2: ' + messages.join(' '), 1);
        messages = [];
      }
  
      // </d>
  
    };
  
    showSupport = function() {
  
      // <d>
  
      flushMessages();
  
      var item, tests = [];
  
      if (sm2.useHTML5Audio && sm2.hasHTML5) {
        for (item in sm2.audioFormats) {
          if (sm2.audioFormats.hasOwnProperty(item)) {
            tests.push(item + ' = ' + sm2.html5[item] + (!sm2.html5[item] && needsFlash && sm2.flash[item] ? ' (using flash)' : (sm2.preferFlash && sm2.flash[item] && needsFlash ? ' (preferring flash)': (!sm2.html5[item] ? ' (' + (sm2.audioFormats[item].required ? 'required, ':'') + 'and no flash support)' : ''))));
          }
        }
        sm2._wD('SoundManager 2 HTML5 support: ' + tests.join(', '), 1);
      }
  
      // </d>
  
    };
  
    initComplete = function(bNoDisable) {
  
      if (didInit) {
        return false;
      }
  
      if (sm2.html5Only) {
        // all good.
        _wDS('sm2Loaded');
        didInit = true;
        initUserOnload();
        debugTS('onload', true);
        return true;
      }
  
      var wasTimeout = (sm2.useFlashBlock && sm2.flashLoadTimeout && !sm2.getMoviePercent()),
          result = true,
          error;
  
      if (!wasTimeout) {
        didInit = true;
      }
  
      error = {type: (!hasFlash && needsFlash ? 'NO_FLASH' : 'INIT_TIMEOUT')};
  
      sm2._wD('SoundManager 2 ' + (disabled ? 'failed to load' : 'loaded') + ' (' + (disabled ? 'Flash security/load error' : 'OK') + ')', disabled ? 2: 1);
  
      if (disabled || bNoDisable) {
        if (sm2.useFlashBlock && sm2.oMC) {
          sm2.oMC.className = getSWFCSS() + ' ' + (sm2.getMoviePercent() === null?swfCSS.swfTimedout:swfCSS.swfError);
        }
        processOnEvents({type:'ontimeout', error:error, ignoreInit: true});
        debugTS('onload', false);
        catchError(error);
        result = false;
      } else {
        debugTS('onload', true);
      }
  
      if (!disabled) {
        if (sm2.waitForWindowLoad && !windowLoaded) {
          _wDS('waitOnload');
          event.add(window, 'load', initUserOnload);
        } else {
          // <d>
          if (sm2.waitForWindowLoad && windowLoaded) {
            _wDS('docLoaded');
          }
          // </d>
          initUserOnload();
        }
      }
  
      return result;
  
    };
  
    /**
     * apply top-level setupOptions object as local properties, eg., this.setupOptions.flashVersion -> this.flashVersion (soundManager.flashVersion)
     * this maintains backward compatibility, and allows properties to be defined separately for use by soundManager.setup().
     */
  
    setProperties = function() {
  
      var i,
          o = sm2.setupOptions;
  
      for (i in o) {
  
        if (o.hasOwnProperty(i)) {
  
          // assign local property if not already defined
  
          if (sm2[i] === _undefined) {
  
            sm2[i] = o[i];
  
          } else if (sm2[i] !== o[i]) {
  
            // legacy support: write manually-assigned property (eg., soundManager.url) back to setupOptions to keep things in sync
            sm2.setupOptions[i] = sm2[i];
  
          }
  
        }
  
      }
  
    };
  
  
    init = function() {
  
      // called after onload()
  
      if (didInit) {
        _wDS('didInit');
        return false;
      }
  
      function cleanup() {
        event.remove(window, 'load', sm2.beginDelayedInit);
      }
  
      if (sm2.html5Only) {
        if (!didInit) {
          // we don't need no steenking flash!
          cleanup();
          sm2.enabled = true;
          initComplete();
        }
        return true;
      }
  
      // flash path
      initMovie();
  
      try {
  
        // attempt to talk to Flash
        flash._externalInterfaceTest(false);
  
        // apply user-specified polling interval, OR, if "high performance" set, faster vs. default polling
        // (determines frequency of whileloading/whileplaying callbacks, effectively driving UI framerates)
        setPolling(true, (sm2.flashPollingInterval || (sm2.useHighPerformance ? 10 : 50)));
  
        if (!sm2.debugMode) {
          // stop the SWF from making debug output calls to JS
          flash._disableDebug();
        }
  
        sm2.enabled = true;
        debugTS('jstoflash', true);
  
        if (!sm2.html5Only) {
          // prevent browser from showing cached page state (or rather, restoring "suspended" page state) via back button, because flash may be dead
          // http://www.webkit.org/blog/516/webkit-page-cache-ii-the-unload-event/
          event.add(window, 'unload', doNothing);
        }
  
      } catch(e) {
  
        sm2._wD('js/flash exception: ' + e.toString());
        debugTS('jstoflash', false);
        catchError({type:'JS_TO_FLASH_EXCEPTION', fatal:true});
        // don't disable, for reboot()
        failSafely(true);
        initComplete();
  
        return false;
  
      }
  
      initComplete();
  
      // disconnect events
      cleanup();
  
      return true;
  
    };
  
    domContentLoaded = function() {
  
      if (didDCLoaded) {
        return false;
      }
  
      didDCLoaded = true;
  
      // assign top-level soundManager properties eg. soundManager.url
      setProperties();
  
      initDebug();
  
      /**
       * Temporary feature: allow force of HTML5 via URL params: sm2-usehtml5audio=0 or 1
       * Ditto for sm2-preferFlash, too.
       */
      // <d>
      (function(){
  
        var a = 'sm2-usehtml5audio=',
            a2 = 'sm2-preferflash=',
            b = null,
            b2 = null,
            l = wl.toLowerCase();
  
        if (l.indexOf(a) !== -1) {
          b = (l.charAt(l.indexOf(a)+a.length) === '1');
          if (hasConsole) {
            console.log((b?'Enabling ':'Disabling ')+'useHTML5Audio via URL parameter');
          }
          sm2.setup({
            'useHTML5Audio': b
          });
        }
  
        if (l.indexOf(a2) !== -1) {
          b2 = (l.charAt(l.indexOf(a2)+a2.length) === '1');
          if (hasConsole) {
            console.log((b2?'Enabling ':'Disabling ')+'preferFlash via URL parameter');
          }
          sm2.setup({
            'preferFlash': b2
          });
        }
  
      }());
      // </d>
  
      if (!hasFlash && sm2.hasHTML5) {
        sm2._wD('SoundManager 2: No Flash detected' + (!sm2.useHTML5Audio ? ', enabling HTML5.' : '. Trying HTML5-only mode.'), 1);
        sm2.setup({
          'useHTML5Audio': true,
          // make sure we aren't preferring flash, either
          // TODO: preferFlash should not matter if flash is not installed. Currently, stuff breaks without the below tweak.
          'preferFlash': false
        });
      }
  
      testHTML5();
  
      if (!hasFlash && needsFlash) {
        messages.push(strings.needFlash);
        // TODO: Fatal here vs. timeout approach, etc.
        // hack: fail sooner.
        sm2.setup({
          'flashLoadTimeout': 1
        });
      }
  
      if (doc.removeEventListener) {
        doc.removeEventListener('DOMContentLoaded', domContentLoaded, false);
      }
  
      initMovie();
  
      return true;
  
    };
  
    domContentLoadedIE = function() {
  
      if (doc.readyState === 'complete') {
        domContentLoaded();
        doc.detachEvent('onreadystatechange', domContentLoadedIE);
      }
  
      return true;
  
    };
  
    winOnLoad = function() {
  
      // catch edge case of initComplete() firing after window.load()
      windowLoaded = true;
      event.remove(window, 'load', winOnLoad);
  
    };
  
    /**
     * miscellaneous run-time, pre-init stuff
     */
  
    preInit = function() {
  
      if (mobileHTML5) {
  
        // prefer HTML5 for mobile + tablet-like devices, probably more reliable vs. flash at this point.
  
        // <d>
        if (!sm2.setupOptions.useHTML5Audio || sm2.setupOptions.preferFlash) {
          // notify that defaults are being changed.
          messages.push(strings.mobileUA);
        }
        // </d>
  
        sm2.setupOptions.useHTML5Audio = true;
        sm2.setupOptions.preferFlash = false;
  
        if (is_iDevice || (isAndroid && !ua.match(/android\s2\.3/i))) {
          // iOS and Android devices tend to work better with a single audio instance, specifically for chained playback of sounds in sequence.
          // common use case: exiting sound onfinish() -> createSound() -> play()
          // <d>
          messages.push(strings.globalHTML5);
          // </d>
          if (is_iDevice) {
            sm2.ignoreFlash = true;
          }
          useGlobalHTML5Audio = true;
        }
  
      }
  
    };
  
    preInit();
  
    // sniff up-front
    detectFlash();
  
    // focus and window load, init (primarily flash-driven)
    event.add(window, 'focus', handleFocus);
    event.add(window, 'load', delayWaitForEI);
    event.add(window, 'load', winOnLoad);
  
    if (doc.addEventListener) {
  
      doc.addEventListener('DOMContentLoaded', domContentLoaded, false);
  
    } else if (doc.attachEvent) {
  
      doc.attachEvent('onreadystatechange', domContentLoadedIE);
  
    } else {
  
      // no add/attachevent support - safe to assume no JS -> Flash either
      debugTS('onload', false);
      catchError({type:'NO_DOM2_EVENTS', fatal:true});
  
    }
  
  } // SoundManager()
  
  // SM2_DEFER details: http://www.schillmania.com/projects/soundmanager2/doc/getstarted/#lazy-loading
  
  if (window.SM2_DEFER === undefined || !SM2_DEFER) {
    soundManager = new SoundManager();
  }
  
  /**
   * SoundManager public interfaces
   * ------------------------------
   */
  
  window.SoundManager = SoundManager; // constructor
  window.soundManager = soundManager; // public API, flash callbacks etc.
  
  }(window));
  