text: /*
  Copyright (c) 2009, Yahoo! Inc. All rights reserved.
  Code licensed under the BSD License:
  http://developer.yahoo.net/yui/license.txt
  version: 3.0.0
  build: 1549
  */
  YUI.add('dom-style', function(Y) {
  
  (function(Y) {
  /** 
   * Add style management functionality to DOM.
   * @module dom
   * @submodule dom-style
   * @for DOM
   */
  
  var DOCUMENT_ELEMENT = 'documentElement',
      DEFAULT_VIEW = 'defaultView',
      OWNER_DOCUMENT = 'ownerDocument',
      STYLE = 'style',
      FLOAT = 'float',
      CSS_FLOAT = 'cssFloat',
      STYLE_FLOAT = 'styleFloat',
      TRANSPARENT = 'transparent',
      GET_COMPUTED_STYLE = 'getComputedStyle',
  
      DOCUMENT = Y.config.doc,
      UNDEFINED = undefined,
  
      re_color = /color$/i;
  
  
  Y.mix(Y.DOM, {
      CUSTOM_STYLES: {
      },
  
  
      /**
       * Sets a style property for a given element.
       * @method setStyle
       * @param {HTMLElement} An HTMLElement to apply the style to.
       * @param {String} att The style property to set. 
       * @param {String|Number} val The value. 
       */
      setStyle: function(node, att, val, style) {
          style = style || node.style;
          var CUSTOM_STYLES = Y.DOM.CUSTOM_STYLES;
  
          if (style) {
              if (val === null) {
                  val = ''; // normalize for unsetting
              }
              if (att in CUSTOM_STYLES) {
                  if (CUSTOM_STYLES[att].set) {
                      CUSTOM_STYLES[att].set(node, val, style);
                      return; // NOTE: return
                  } else if (typeof CUSTOM_STYLES[att] === 'string') {
                      att = CUSTOM_STYLES[att];
                  }
              }
              style[att] = val; 
          }
      },
  
      /**
       * Returns the current style value for the given property.
       * @method getStyle
       * @param {HTMLElement} An HTMLElement to get the style from.
       * @param {String} att The style property to get. 
       */
      getStyle: function(node, att) {
          var style = node[STYLE],
              CUSTOM_STYLES = Y.DOM.CUSTOM_STYLES,
              val = '';
  
          if (style) {
              if (att in CUSTOM_STYLES) {
                  if (CUSTOM_STYLES[att].get) {
                      return CUSTOM_STYLES[att].get(node, att, style); // NOTE: return
                  } else if (typeof CUSTOM_STYLES[att] === 'string') {
                      att = CUSTOM_STYLES[att];
                  }
              }
              val = style[att];
              if (val === '') { // TODO: is empty string sufficient?
                  val = Y.DOM[GET_COMPUTED_STYLE](node, att);
              }
          }
  
          return val;
      },
  
      /**
       * Sets multiple style properties.
       * @method setStyles
       * @param {HTMLElement} node An HTMLElement to apply the styles to. 
       * @param {Object} hash An object literal of property:value pairs. 
       */
      setStyles: function(node, hash) {
          var style = node.style;
          Y.each(hash, function(v, n) {
              Y.DOM.setStyle(node, n, v, style);
          }, Y.DOM);
      },
  
      /**
       * Returns the computed style for the given node.
       * @method getComputedStyle
       * @param {HTMLElement} An HTMLElement to get the style from.
       * @param {String} att The style property to get. 
       * @return {String} The computed value of the style property. 
       */
      getComputedStyle: function(node, att) {
          var val = '',
              doc = node[OWNER_DOCUMENT];
  
          if (node[STYLE]) {
              val = doc[DEFAULT_VIEW][GET_COMPUTED_STYLE](node, null)[att];
          }
          return val;
      }
  });
  
  // normalize reserved word float alternatives ("cssFloat" or "styleFloat")
  if (DOCUMENT[DOCUMENT_ELEMENT][STYLE][CSS_FLOAT] !== UNDEFINED) {
      Y.DOM.CUSTOM_STYLES[FLOAT] = CSS_FLOAT;
  } else if (DOCUMENT[DOCUMENT_ELEMENT][STYLE][STYLE_FLOAT] !== UNDEFINED) {
      Y.DOM.CUSTOM_STYLES[FLOAT] = STYLE_FLOAT;
  }
  
  // fix opera computedStyle default color unit (convert to rgb)
  if (Y.UA.opera) {
      Y.DOM[GET_COMPUTED_STYLE] = function(node, att) {
          var view = node[OWNER_DOCUMENT][DEFAULT_VIEW],
              val = view[GET_COMPUTED_STYLE](node, '')[att];
  
          if (re_color.test(att)) {
              val = Y.Color.toRGB(val);
          }
  
          return val;
      };
  
  }
  
  // safari converts transparent to rgba(), others use "transparent"
  if (Y.UA.webkit) {
      Y.DOM[GET_COMPUTED_STYLE] = function(node, att) {
          var view = node[OWNER_DOCUMENT][DEFAULT_VIEW],
              val = view[GET_COMPUTED_STYLE](node, '')[att];
  
          if (val === 'rgba(0, 0, 0, 0)') {
              val = TRANSPARENT; 
          }
  
          return val;
      };
  
  }
  })(Y);
  (function(Y) {
  var PARSE_INT = parseInt,
      RE = RegExp;
  
  Y.Color = {
      KEYWORDS: {
          black: '000',
          silver: 'c0c0c0',
          gray: '808080',
          white: 'fff',
          maroon: '800000',
          red: 'f00',
          purple: '800080',
          fuchsia: 'f0f',
          green: '008000',
          lime: '0f0',
          olive: '808000',
          yellow: 'ff0',
          navy: '000080',
          blue: '00f',
          teal: '008080',
          aqua: '0ff'
      },
  
      re_RGB: /^rgb\(([0-9]+)\s*,\s*([0-9]+)\s*,\s*([0-9]+)\)$/i,
      re_hex: /^#?([0-9A-F]{2})([0-9A-F]{2})([0-9A-F]{2})$/i,
      re_hex3: /([0-9A-F])/gi,
  
      toRGB: function(val) {
          if (!Y.Color.re_RGB.test(val)) {
              val = Y.Color.toHex(val);
          }
  
          if(Y.Color.re_hex.exec(val)) {
              val = 'rgb(' + [
                  PARSE_INT(RE.$1, 16),
                  PARSE_INT(RE.$2, 16),
                  PARSE_INT(RE.$3, 16)
              ].join(', ') + ')';
          }
          return val;
      },
  
      toHex: function(val) {
          val = Y.Color.KEYWORDS[val] || val;
          if (Y.Color.re_RGB.exec(val)) {
              val = [
                  Number(RE.$1).toString(16),
                  Number(RE.$2).toString(16),
                  Number(RE.$3).toString(16)
              ];
  
              for (var i = 0; i < val.length; i++) {
                  if (val[i].length < 2) {
                      val[i] = val[i].replace(Y.Color.re_hex3, '$1$1');
                  }
              }
  
              val = '#' + val.join('');
          }
  
          if (val.length < 6) {
              val = val.replace(Y.Color.re_hex3, '$1$1');
          }
  
          if (val !== 'transparent' && val.indexOf('#') < 0) {
              val = '#' + val;
          }
  
          return val.toLowerCase();
      }
  };
  })(Y);
  
  (function(Y) {
  var HAS_LAYOUT = 'hasLayout',
      PX = 'px',
      FILTER = 'filter',
      FILTERS = 'filters',
      OPACITY = 'opacity',
      AUTO = 'auto',
  
      BORDER_WIDTH = 'borderWidth',
      BORDER_TOP_WIDTH = 'borderTopWidth',
      BORDER_RIGHT_WIDTH = 'borderRightWidth',
      BORDER_BOTTOM_WIDTH = 'borderBottomWidth',
      BORDER_LEFT_WIDTH = 'borderLeftWidth',
      WIDTH = 'width',
      HEIGHT = 'height',
      TRANSPARENT = 'transparent',
      VISIBLE = 'visible',
      GET_COMPUTED_STYLE = 'getComputedStyle',
      UNDEFINED = undefined,
      documentElement = document.documentElement,
  
      // TODO: unit-less lineHeight (e.g. 1.22)
      re_unit = /^(\d[.\d]*)+(em|ex|px|gd|rem|vw|vh|vm|ch|mm|cm|in|pt|pc|deg|rad|ms|s|hz|khz|%){1}?/i,
  
      _getStyleObj = function(node) {
          return node.currentStyle || node.style;
      },
  
      ComputedStyle = {
          CUSTOM_STYLES: {},
  
          get: function(el, property) {
              var value = '',
                  current;
  
              if (el) {
                      current = _getStyleObj(el)[property];
  
                  if (property === OPACITY && Y.DOM.CUSTOM_STYLES[OPACITY]) {
                      value = Y.DOM.CUSTOM_STYLES[OPACITY].get(el);        
                  } else if (!current || (current.indexOf && current.indexOf(PX) > -1)) { // no need to convert
                      value = current;
                  } else if (Y.DOM.IE.COMPUTED[property]) { // use compute function
                      value = Y.DOM.IE.COMPUTED[property](el, property);
                  } else if (re_unit.test(current)) { // convert to pixel
                      value = ComputedStyle.getPixel(el, property) + PX;
                  } else {
                      value = current;
                  }
              }
  
              return value;
          },
  
          sizeOffsets: {
              width: ['Left', 'Right'],
              height: ['Top', 'Bottom'],
              top: ['Top'],
              bottom: ['Bottom']
          },
  
          getOffset: function(el, prop) {
              var current = _getStyleObj(el)[prop],                     // value of "width", "top", etc.
                  capped = prop.charAt(0).toUpperCase() + prop.substr(1), // "Width", "Top", etc.
                  offset = 'offset' + capped,                             // "offsetWidth", "offsetTop", etc.
                  pixel = 'pixel' + capped,                               // "pixelWidth", "pixelTop", etc.
                  sizeOffsets = ComputedStyle.sizeOffsets[prop], 
                  value = '';
  
              // IE pixelWidth incorrect for percent
              // manually compute by subtracting padding and border from offset size
              // NOTE: clientWidth/Height (size minus border) is 0 when current === AUTO so offsetHeight is used
              // reverting to auto from auto causes position stacking issues (old impl)
              if (current === AUTO || current.indexOf('%') > -1) {
                  value = el['offset' + capped];
  
                  if (sizeOffsets[0]) {
                      value -= ComputedStyle.getPixel(el, 'padding' + sizeOffsets[0]);
                      value -= ComputedStyle.getBorderWidth(el, 'border' + sizeOffsets[0] + 'Width', 1);
                  }
  
                  if (sizeOffsets[1]) {
                      value -= ComputedStyle.getPixel(el, 'padding' + sizeOffsets[1]);
                      value -= ComputedStyle.getBorderWidth(el, 'border' + sizeOffsets[1] + 'Width', 1);
                  }
  
              } else { // use style.pixelWidth, etc. to convert to pixels
                  // need to map style.width to currentStyle (no currentStyle.pixelWidth)
                  if (!el.style[pixel] && !el.style[prop]) {
                      el.style[prop] = current;
                  }
                  value = el.style[pixel];
                  
              }
              return value + PX;
          },
  
          borderMap: {
              thin: '2px', 
              medium: '4px', 
              thick: '6px'
          },
  
          getBorderWidth: function(el, property, omitUnit) {
              var unit = omitUnit ? '' : PX,
                  current = el.currentStyle[property];
  
              if (current.indexOf(PX) < 0) { // look up keywords
                  if (ComputedStyle.borderMap[current]) {
                      current = ComputedStyle.borderMap[current];
                  } else {
                      Y.log('borderWidth computing not implemented', 'warn', 'dom-ie-style');
                  }
              }
              return (omitUnit) ? parseFloat(current) : current;
          },
  
          getPixel: function(node, att) {
              // use pixelRight to convert to px
              var val = null,
                  style = _getStyleObj(node),
                  styleRight = style.right,
                  current = style[att];
  
              node.style.right = current;
              val = node.style.pixelRight;
              node.style.right = styleRight; // revert
  
              return val;
          },
  
          getMargin: function(node, att) {
              var val,
                  style = _getStyleObj(node);
  
              if (style[att] == AUTO) {
                  val = 0;
              } else {
                  val = ComputedStyle.getPixel(node, att);
              }
              return val + PX;
          },
  
          getVisibility: function(node, att) {
              var current;
              while ( (current = node.currentStyle) && current[att] == 'inherit') { // NOTE: assignment in test
                  node = node.parentNode;
              }
              return (current) ? current[att] : VISIBLE;
          },
  
          getColor: function(node, att) {
              var current = _getStyleObj(node)[att];
  
              if (!current || current === TRANSPARENT) {
                  Y.DOM.elementByAxis(node, 'parentNode', null, function(parent) {
                      current = _getStyleObj(parent)[att];
                      if (current && current !== TRANSPARENT) {
                          node = parent;
                          return true;
                      }
                  });
              }
  
              return Y.Color.toRGB(current);
          },
  
          getBorderColor: function(node, att) {
              var current = _getStyleObj(node),
                  val = current[att] || current.color;
              return Y.Color.toRGB(Y.Color.toHex(val));
          }
      },
  
      //fontSize: getPixelFont,
      IEComputed = {};
  
  // use alpha filter for IE opacity
  try {
      if (documentElement.style[OPACITY] === UNDEFINED &&
              documentElement[FILTERS]) {
          Y.DOM.CUSTOM_STYLES[OPACITY] = {
              get: function(node) {
                  var val = 100;
                  try { // will error if no DXImageTransform
                      val = node[FILTERS]['DXImageTransform.Microsoft.Alpha'][OPACITY];
  
                  } catch(e) {
                      try { // make sure its in the document
                          val = node[FILTERS]('alpha')[OPACITY];
                      } catch(err) {
                          Y.log('getStyle: IE opacity filter not found; returning 1', 'warn', 'dom-style');
                      }
                  }
                  return val / 100;
              },
  
              set: function(node, val, style) {
                  var current,
                      styleObj;
  
                  if (val === '') { // normalize inline style behavior
                      styleObj = _getStyleObj(node);
                      current = (OPACITY in styleObj) ? styleObj[OPACITY] : 1; // revert to original opacity
                      val = current;
                  }
  
                  if (typeof style[FILTER] == 'string') { // in case not appended
                      style[FILTER] = 'alpha(' + OPACITY + '=' + val * 100 + ')';
                      
                      if (!node.currentStyle || !node.currentStyle[HAS_LAYOUT]) {
                          style.zoom = 1; // needs layout 
                      }
                  }
              }
          };
      }
  } catch(e) {
      Y.log('document.documentElement.filters error (activeX disabled)', 'warn', 'dom-style');
  }
  
  try {
      document.createElement('div').style.height = '-1px';
  } catch(e) { // IE throws error on invalid style set; trap common cases
      Y.DOM.CUSTOM_STYLES.height = {
          set: function(node, val, style) {
              var floatVal = parseFloat(val);
              if (isNaN(floatVal) || floatVal >= 0) {
                  style.height = val;
              } else {
                  Y.log('invalid style value for height: ' + val, 'warn', 'dom-style');
              }
          }
      };
  
      Y.DOM.CUSTOM_STYLES.width = {
          set: function(node, val, style) {
              var floatVal = parseFloat(val);
              if (isNaN(floatVal) || floatVal >= 0) {
                  style.width = val;
              } else {
                  Y.log('invalid style value for width: ' + val, 'warn', 'dom-style');
              }
          }
      };
  }
  
  // TODO: top, right, bottom, left
  IEComputed[WIDTH] = IEComputed[HEIGHT] = ComputedStyle.getOffset;
  
  IEComputed.color = IEComputed.backgroundColor = ComputedStyle.getColor;
  
  IEComputed[BORDER_WIDTH] = IEComputed[BORDER_TOP_WIDTH] = IEComputed[BORDER_RIGHT_WIDTH] =
          IEComputed[BORDER_BOTTOM_WIDTH] = IEComputed[BORDER_LEFT_WIDTH] =
          ComputedStyle.getBorderWidth;
  
  IEComputed.marginTop = IEComputed.marginRight = IEComputed.marginBottom =
          IEComputed.marginLeft = ComputedStyle.getMargin;
  
  IEComputed.visibility = ComputedStyle.getVisibility;
  IEComputed.borderColor = IEComputed.borderTopColor =
          IEComputed.borderRightColor = IEComputed.borderBottomColor =
          IEComputed.borderLeftColor = ComputedStyle.getBorderColor;
  
  if (!Y.config.win[GET_COMPUTED_STYLE]) {
      Y.DOM[GET_COMPUTED_STYLE] = ComputedStyle.get; 
  }
  
  Y.namespace('DOM.IE');
  Y.DOM.IE.COMPUTED = IEComputed;
  Y.DOM.IE.ComputedStyle = ComputedStyle;
  
  })(Y);
  
  
  }, '3.0.0' ,{requires:['dom-base']});
  