text: // tipsy, facebook style tooltips for jquery
  // version 1.0.0a
  // (c) 2008-2010 jason frame [jason@onehackoranother.com]
  // releated under the MIT license
  //http://onehackoranother.com/projects/jquery/tipsy/#
  
  (function($) {
      
      function fixTitle($ele) {
          if ($ele.attr('title') || typeof($ele.attr('original-title')) != 'string') {
              $ele.attr('original-title', $ele.attr('title') || '').removeAttr('title');
          }
      }
      
      function Tipsy(element, options) {
          this.$element = $(element);
          this.options = options;
          this.enabled = true;
          fixTitle(this.$element);
      }
      
      Tipsy.prototype = {
          show: function() {
              var title = this.getTitle();
              if (title && this.enabled) {
                  var $tip = this.tip();
                  
                  $tip.find('.tipsy-inner')[this.options.html ? 'html' : 'text'](title);
                  $tip[0].className = 'tipsy'; // reset classname in case of dynamic gravity
                  $tip.remove().css({top: 0, left: 0, visibility: 'hidden', display: 'block'}).appendTo(document.body);
                  
                  var pos = $.extend({}, this.$element.offset(), {
                      width: this.$element[0].offsetWidth,
                      height: this.$element[0].offsetHeight
                  });
                  
                  var actualWidth = $tip[0].offsetWidth, actualHeight = $tip[0].offsetHeight;
                  var gravity = (typeof this.options.gravity == 'function')
                                  ? this.options.gravity.call(this.$element[0])
                                  : this.options.gravity;
                  
                  var tp;
                  switch (gravity.charAt(0)) {
                      case 'n':
                          tp = {top: pos.top + pos.height + this.options.offset, left: pos.left + pos.width / 2 - actualWidth / 2};
                          break;
                      case 's':
                          tp = {top: pos.top - actualHeight - this.options.offset, left: pos.left + pos.width / 2 - actualWidth / 2};
                          break;
                      case 'e':
                          tp = {top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left - actualWidth - this.options.offset};
                          break;
                      case 'w':
                          tp = {top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left + pos.width + this.options.offset};
                          break;
                  }
                  
                  if (gravity.length == 2) {
                      if (gravity.charAt(1) == 'w') {
                          tp.left = pos.left + pos.width / 2 - 15;
                      } else {
                          tp.left = pos.left + pos.width / 2 - actualWidth + 15;
                      }
                  }
                  
                  $tip.css(tp).addClass('tipsy-' + gravity);
                  
                  if (this.options.fade) {
                      $tip.stop().css({opacity: 0, display: 'block', visibility: 'visible'}).animate({opacity: this.options.opacity});
                  } else {
                      $tip.css({visibility: 'visible', opacity: this.options.opacity});
                  }
              }
          },
          
          hide: function() {
              if (this.options.fade) {
                  this.tip().stop().fadeOut(function() { $(this).remove(); });
              } else {
                  this.tip().remove();
              }
          },
          
          getTitle: function() {
              var title, $e = this.$element, o = this.options;
              fixTitle($e);
              var title, o = this.options;
              if (typeof o.title == 'string') {
                  title = $e.attr(o.title == 'title' ? 'original-title' : o.title);
              } else if (typeof o.title == 'function') {
                  title = o.title.call($e[0]);
              }
              title = ('' + title).replace(/(^\s*|\s*$)/, "");
              return title || o.fallback;
          },
          
          tip: function() {
              if (!this.$tip) {
                  this.$tip = $('<div class="tipsy"></div>').html('<div class="tipsy-arrow"></div><div class="tipsy-inner"/></div>');
              }
              return this.$tip;
          },
          
          validate: function() {
              if (!this.$element[0].parentNode) {
                  this.hide();
                  this.$element = null;
                  this.options = null;
              }
          },
          
          enable: function() { this.enabled = true; },
          disable: function() { this.enabled = false; },
          toggleEnabled: function() { this.enabled = !this.enabled; }
      };
      
      $.fn.tipsy = function(options) {
          
          if (options === true) {
              return this.data('tipsy');
          } else if (typeof options == 'string') {
              return this.data('tipsy')[options]();
          }
          
          options = $.extend({}, $.fn.tipsy.defaults, options);
          
          function get(ele) {
              var tipsy = $.data(ele, 'tipsy');
              if (!tipsy) {
                  tipsy = new Tipsy(ele, $.fn.tipsy.elementOptions(ele, options));
                  $.data(ele, 'tipsy', tipsy);
              }
              return tipsy;
          }
          
          function enter() {
              var tipsy = get(this);
              tipsy.hoverState = 'in';
              if (options.delayIn == 0) {
                  tipsy.show();
              } else {
                  setTimeout(function() { if (tipsy.hoverState == 'in') tipsy.show(); }, options.delayIn);
              }
          };
          
          function leave() {
              var tipsy = get(this);
              tipsy.hoverState = 'out';
              if (options.delayOut == 0) {
                  tipsy.hide();
              } else {
                  setTimeout(function() { if (tipsy.hoverState == 'out') tipsy.hide(); }, options.delayOut);
              }
          };
          
          if (!options.live) this.each(function() { get(this); });
          
          if (options.trigger != 'manual') {
              var binder   = options.live ? 'live' : 'bind',
                  eventIn  = options.trigger == 'hover' ? 'mouseenter' : 'focus',
                  eventOut = options.trigger == 'hover' ? 'mouseleave' : 'blur';
              this[binder](eventIn, enter)[binder](eventOut, leave);
          }
          
          return this;
          
      };
      
      $.fn.tipsy.defaults = {
          delayIn: 0,
          delayOut: 0,
          fade: false,
          fallback: '',
          gravity: 'n',
          html: false,
          live: false,
          offset: 0,
          opacity: 0.8,
          title: 'title',
          trigger: 'hover'
      };
      
      // Overwrite this method to provide options on a per-element basis.
      // For example, you could store the gravity in a 'tipsy-gravity' attribute:
      // return $.extend({}, options, {gravity: $(ele).attr('tipsy-gravity') || 'n' });
      // (remember - do not modify 'options' in place!)
      $.fn.tipsy.elementOptions = function(ele, options) {
          return $.metadata ? $.extend({}, options, $(ele).metadata()) : options;
      };
      
      $.fn.tipsy.autoNS = function() {
          return $(this).offset().top > ($(document).scrollTop() + $(window).height() / 2) ? 's' : 'n';
      };
      
      $.fn.tipsy.autoWE = function() {
          return $(this).offset().left > ($(document).scrollLeft() + $(window).width() / 2) ? 'e' : 'w';
      };
      
  })(jQuery);
  