/*=:project
		parseSelector 2.0
		
	=:description
		Provides an extensible way of parsing CSS selectors against a DOM in 
		JavaScript.

  =:file
  	Copyright: 2006 Mark Wubben.
  	Author: Mark Wubben, <http://novemberborn.net/>
   		
	=:license
		* This software is licensed and provided under the CC-GNU LGPL
		* See <http://creativecommons.org/licenses/LGPL/2.1/>
	
	=:notes
		* The parsing of CSS selectors as streams has been based on Dean Edwards
			excellent work with cssQuery. See <http://dean.edwards.name/my/cssQuery/>
			for more info.
*/

var parseSelector = (function() {
	var SEPERATOR = /\s*,\s*/
	
	function parseSelector(selector, node) {
		node = node || document.documentElement;
		var selectors = selector.split(SEPERATOR);
		var result = [];
		
		for(var i = 0; i < selectors.length; i++) {
			var nodes = [node];
			var stream = toStream(selectors[i]);
			for(var j = 0;j < stream.length;) {
				var token = stream[j++];
				var filter = stream[j++];
				var args = '';
				if(stream[j] == '(') {
					while(stream[j++] != ')' && j < stream.length) args += stream[j];
					args = args.slice(0, -1);
				}
				nodes = select(nodes, token, filter, args);
			}
			result = result.concat(nodes);
		}
		
		return result;
	}

	var WHITESPACE = /\s*([\s>+~(),]|^|$)\s*/g;
	var IMPLIED_ALL = /([\s>+~,]|[^(]\+|^)([#.:@])/g;
	var STANDARD_SELECT = /^[^\s>+~]/;
	var STREAM = /[\s#.:>+~()@]|[^\s#.:>+~()@]+/g;
		
	function toStream(selector) {
		var stream = selector.replace(WHITESPACE, '$1')
												 .replace(IMPLIED_ALL, '$1*$2');
		if(STANDARD_SELECT.test(stream)) stream = ' ' + stream;
    return stream.match(STREAM) || [];
	}
	
	function select(nodes, token, filter, args) {
		return (selectors[token]) ? selectors[token](nodes, filter, args) : [];
	}
	
	var util = {
		toArray: function(enumerable) {
			var a = [];
			for(var i = 0; i < enumerable.length; i++) util.push(a, enumerable[i]);
			return a;
		},
		
		push: function(arr) {
      for(var i = 1; i < arguments.length; i++) arr[arr.length] = arguments[i];
      return arr.length;
    }
	};
	
	var dom = {
		isTag: function(node, tag) {
			return (tag == '*') || (
				tag.toLowerCase() == node.nodeName.toLowerCase().replace(':html', '')
			);
		},
	
		previousSiblingElement: function(node) {
			do node = node.previousSibling; while(node && node.nodeType != 1);
			return node;
		},
	
		nextSiblingElement: function(node) {
			do node = node.nextSibling; while(node && node.nodeType != 1);
			return node;
		},
	
		hasClass: function(name, node) {
			return (node.className || '').match('(^|\\s)'+name+'(\\s|$)');
		},
	
		getByTag: function(tag, node) {
			/*	IE5.x does not support document.getElementsByTagName("*")
				therefore we're falling back to element.all */
			if(tag == '*' && node.all != null) return node.all;
			return node.getElementsByTagName(tag);
		}
	};
	
	var selectors = {
		'#': function(nodes, filter) {
			for(var i = 0; i < nodes.length; i++) {
				if(nodes[i].getAttribute('id') == filter)	return [nodes[i]];
			}
			return [];
		},

		' ': function(nodes, filter) {
			var result = [];
			for(var i = 0; i < nodes.length; i++) {
				result = result.concat(util.toArray(dom.getByTag(filter, nodes[i])));
			}
			return result;
		},
		
		'>': function(nodes, filter) {
			var result = [];
			for(var i = 0, node; i < nodes.length; i++) {
				node = nodes[i];
				for(var j = 0, child; j < node.childNodes.length; j++) {
					child = node.childNodes[j];
					if(child.nodeType == 1 && dom.isTag(child, filter)) {
						util.push(result, child);
					}
				}
			}
			return result;
		},

		'.': function(nodes, filter) {
			var result = [];
			for(var i = 0, node; i < nodes.length; i++) {
				node = nodes[i];
				if(dom.hasClass([filter], node)) util.push(result, node);
			}
			return result;
		}, 
				
		':': function(nodes, filter, args) {
			return (pseudoClasses[filter]) ? pseudoClasses[filter](nodes, args) : [];
		}
		
	};
	
	parseSelector.selectors			= selectors;
	parseSelector.pseudoClasses = {};
	parseSelector.util 				  = util;
	parseSelector.dom 				  = dom;
		
	return parseSelector;
})();

/*=:project
    scalable Inman Flash Replacement (sIFR) version 3.0, Alpha.

  =:file
    Copyright: 2006 Mark Wubben.
    Author: Mark Wubben, <http://novemberborn.net/>
   
  =:history
    * IFR: Shaun Inman
    * sIFR 1: Mike Davidson, Shaun Inman and Tomas Jogin
    * sIFR 2: Mike Davidson, Shaun Inman, Tomas Jogin and Mark Wubben
    
  =:license
    * This software is licensed and provided under the CC-GNU LGPL
    * See <http://creativecommons.org/licenses/LGPL/2.1/>    
*/

var sIFR = new function() {
  //=:private Constant reference to the Singleton instance
  var SIFR = this;
  
  var CSS_HASFLASH = 'sIFR-hasFlash';
  var CSS_REPLACED = 'sIFR-replaced';
  var CSS_FLASH = 'sIFR-flash';
  var CSS_IGNORE = 'sIFR-ignore';
  var CSS_ALTERNATE = 'sIFR-alternate';
  var CSS_CLASS = 'sIFR-class';
  var XHTML_NS = 'http://www.w3.org/1999/xhtml';
  var MIN_FONT_SIZE = 6;
  var MAX_FONT_SIZE = 126;
  var MIN_FLASH_VERSION = 7;
  var ADVANCED_FLASH_VERSION = 8;
  var PREFETCH_COOKIE = 'SIFR-PREFETCHED';
  
  this.compatMode = false;
  this.isActive = false;
  this.isEnabled = true;
  this.hideElements = true;
  this.registerEvents = true;
  this.waitForPrefetch = true;
  this.cookiePath = '/';
  
  var elementCount = 0;
  var hasPrefetched = false;
  var advancedModeOnly = false; // Advanced mode requires Flash 8 or above.
  
  var ua = new function() {
    var ua = navigator.userAgent.toLowerCase();
    var product = (navigator.product || '').toLowerCase();

    this.macintosh  = ua.indexOf('mac') > -1;
    this.windows    = ua.indexOf('windows') > -1;

    this.opera      = ua.indexOf('opera') > -1;
    this.konqueror  = product.indexOf('konqueror') > -1;
    this.ie         = ua.indexOf('ie') > -1 && !this.opera;
    this.ieMac      = this.ie && this.mac;
    this.ieWin      = this.ie && this.windows;
    this.safari     = ua.indexOf('safari') > -1;
    this.webkit     = ua.indexOf('applewebkit') > -1 && !this.konqueror;
    this.khtml      = this.webkit || this.konqueror;
    this.gecko      = !this.webkit && product == 'gecko';

    var $;
    this.operaVersion = this.webkitVersion  
                      = this.geckoBuildDate 
                      = this.konquerorVersion = 0;
                      
    if(this.opera) {
      $ = ua.match(/.*opera(\s|\/)(\d+\.\d+)/);
      this.operaVersion = $.length > 1 ? parseInt($[2]) : 0;
    }

    if(this.webkit) {
      $ = ua.match(/.*applewebkit\/(\d+).*/);
      this.webkitVersion = $.length > 0 ? parseInt($[1]) : 0;
    }
    
    if(this.gecko) {
      $ = ua.match(/.*gecko\/(\d{8}).*/);
      this.geckoBuildDate = $.length > 0 ? parseInt($[1]) : 0;
    }

    if(this.konqueror) {
      $ = ua.match(/.*konqueror\/(\d\.\d).*/);
      this.konquerorVersion = $.length > 0 ? parseInt($[1]) : 0;
    }
    
    this.flashVersion = 0;

    if(this.ieWin) {
      try {
        this.flashVersion = parseFloat(
          /([\d,?]+)/.exec(
            new ActiveXObject('ShockwaveFlash.ShockwaveFlash.7').GetVariable('$version')
          )[1].replace(/,/g, '.')
        );
      } catch(e) {}
    } else if(navigator.plugins && navigator.plugins['Shockwave Flash']) {
      var flashPlugin = navigator.plugins['Shockwave Flash'];
      this.flashVersion = parseFloat(/(\d+\.?\d*)/.exec(flashPlugin.description)[1]);

      // Watch out for QuickTime, which could be stealing the Flash handling!
      var i = 0;
      while(this.flashVersion >= MIN_FLASH_VERSION && i < navigator.mimeTypes.length) {
        var mime = navigator.mimeTypes[i];
        if(mime.type == 'application/x-shockwave-flash' 
        && !new RegExp('.*Shockwave\\sFlash\\s' + this.flashVersion + '.*').exec(mime.enabledPlugin.description)) {
          this.flashVersion = 0;
        }
        i++;
      }
    }

    this.flash = this.flashVersion >= MIN_FLASH_VERSION;

    this.transparencySupport = true;
    if(!this.macintosh && !this.windows || this.ieMac
    || this.opera && this.operaVersion < 7.6 
    || this.webkit && this.webkitVersion < 312
    || this.gecko && this.geckoBuildDate < 20020523) {
      this.transparencySupport = false;
    }

    this.computedStyleSupport = true;
    if(!this.ie && !this.gecko 
    && (!document.defaultView || !document.defaultView.getComputedStyle)
    //: Older Geckos have trouble with `getComputedStyle()`
    || this.gecko && this.geckoBuildDate < 20030624) {
      this.computedStyleSupport = false;  
    }
    
    this.zoomSupport = this.opera && document.documentElement;
    this.geckoXml = this.gecko && (document.contentType || '').indexOf("xml") > -1;
                    
    this.innerHtmlHack =  this.konqueror || (this.webkit && this.webkitVersion < 312) || this.ie;
    this.requiresPrefetch = this.ieWin || this.safari;
    
    this.vbScript = this.ieWin;
    if(this.vbScript) {
      try {
        document.write([
          '<script type="text/vbscript">',
            'sIFR_ua_vbScript = true',
          '</script>'
        ].join('\n'));
      } catch(e) {};
      this.vbScript = !!sIFR_ua_vbScript;
    }
    
    this.supported = (!this.ie || this.ieWin && this.vbScript) && (!this.macintosh || !this.opera || this.operaVersion >= 8);
  };
  this.ua = ua;

  var dom = new function() {
    this.getBody = function() {
      var nodes = document.getElementsByTagName('body');
      if(nodes.length == 1) return nodes[0];
    };
    
    this.addClass = function(name, node) {
      node.className = ((node.className || '') == '' ? '' : node.className + ' ') + name;
    };
    
    this.hasClass = function(name, node) {
      return new RegExp('(^|\\s)'+name+'(\\s|$)').test(node.className);
    };
    
    this.create = function(name) {
      if(document.createElementNS) return document.createElementNS(XHTML_NS, name);
      return document.createElement(name);
    }
    
    var useInnerHtml = true;
    try { this.create('span').innerHTML = ''; }
    catch (e) { useInnerHtml = false; }

    this.setInnerHtml = function(node, html) {
      if(useInnerHtml) node.innerHTML = html;
      else {
        html = ['<root xmlns="', XHTML_NS, '">', html, '</root>'].join('');
        var xml = (new DOMParser()).parseFromString(html, 'text/xml');
        xml = document.importNode(xml.documentElement, true);
        while(node.firstChild) node.removeChild(node.firstChild);
        while(xml.firstChild)  node.appendChild(xml.firstChild);
      }
    }
    
    this.appendNode = function(to, node) {
      to.appendChild(node);
      if(this.innerHtmlHack) to.innerHTML += '';
    }
    
    this.getStyleAsInt = function(node, property) {
      if(!ua.computedStyleSupport && !SIFR.compatMode) return null;
      
      var value;
      if(document.defaultView && document.defaultView.getComputedStyle)
        value = document.defaultView.getComputedStyle(node, null)[property];
      else if(node.currentStyle) value = node.currentStyle[property];

      value = parseInt(value);
      return isNaN(value) ? 0 : value;
    }

    this.getZoom = function() {
      return hacks.zoom.getLatest();
    }
  };
  this.dom = dom;
  
  var util = {
    normalize: function(str) {
      return str.replace(/(\s)\s+/g, '$1');
    },
    
    push: function(arr) {
      for(var i = 1; i < arguments.length; i++) arr[arr.length] = arguments[i];
      return arr.length;
    }
  };
  this.util = util;
  
  var hacks = {};
  hacks.fscommand = new function() {
    if(!ua.vbScript) return;
    
    // `fscommand()` in IE will only talk to a VB Script function. The code below
    // allows us to create such a function. Inspired by <http://www.moock.org/webdesign/flash/fscommand/>
    // and <http://osflash.org/flashjs>.
    document.write([
      '<script type="text/vbscript">',
        'Sub sIFR_setup_fscommand(callbackName)',
        	'ExecuteGlobal _',
        	  '"Sub " & callbackName & "_FSCommand(ByVal command, ByVal args)" & _',
         		  'callbackName & "_DoFSCommand command, args" & vbcrlf & _',
         		'"End Sub"',
        'End Sub',
      '</script>'
    ].join('\n'));
  };
  
  hacks.fscommand.setup = function(callbackName) {
    if(ua.vbScript) sIFR_setup_fscommand(callbackName);
  };
  
  hacks.fragmentIdentifier = new function() {
    this.fix = true;
    
    var cachedTitle;
    this.cache = function() {
      cachedTitle = document.title;
    };
    
    function doFix() {
      document.title = cachedTitle;
    }
    
    this.restore = function() {
      if(this.fix) setTimeout(doFix, 0);
    };
  };
    
  // The zoom hack needs to be run before replace(). The synchronizer can be
  // used to ensure this.
  hacks.synchronizer = new function() {
    this.isBlocked = false;
    
    this.block = function() {
      this.isBlocked = true;
    };
    
    this.unblock = function() {
      this.isBlocked = false;
      blockedReplaceKwargsStore.replaceAll();
    };
  };
  
  // Detect the page zoom in Opera. Adapted from <http://virtuelvis.com/archives/2005/05/opera-measure-zoom>.
  hacks.zoom = new function() {
    // Latest zoom, assume 100
    var latestZoom = 100;
    
    this.getLatest = function() {
      return latestZoom;
    }

    if(ua.zoomSupport && ua.opera) {
      // Create the DOM element used to calculate the zoom.
      var node = document.createElement('div');
      node.style.position = 'fixed';
      node.style.left = '-65536px';
      node.style.top = '0';
      node.style.height = '100%';
      node.style.width = '1px';
      node.style.zIndex = '-32';
      document.documentElement.appendChild(node);
    
      function updateZoom() {
        if(!node) return;
      
        var zoom = window.innerHeight / node.offsetHeight;

        var correction = Math.round(zoom * 100) % 10;
        if(correction > 5) zoom = Math.round(zoom * 100) + 10 - correction;
        else zoom = Math.round(zoom * 100) - correction;

        latestZoom = isNaN(zoom) ? 100 : zoom;
        hacks.synchronizer.unblock();

        document.documentElement.removeChild(node);
        node = null;
      }

      hacks.synchronizer.block();

      // We need to wait a few ms before Opera the offsetHeight of the node
      // becomes available.
      setTimeout(updateZoom, 54);
    }
  };
  this.hacks = hacks;
  
  var replaceKwargsStore = {
    kwargs: [],
    replaceAll:  function() {
      for(var i = 0; i < this.kwargs.length; i++) SIFR.replace(this.kwargs[i]);
      this.kwargs = [];
    }
  };
  
  var blockedReplaceKwargsStore = {
    kwargs: [],
    replaceAll: replaceKwargsStore.replaceAll
  };

  this.useAdvancedModeOnly = function() {
    advancedModeOnly = true;
    ua.flash = ua.flashVersion >= ADVANCED_FLASH_VERSION;
  }

  this.activate = function() {
    if(!ua.flash || !this.isEnabled || this.isActive || !ua.supported || !this.compatMode && !ua.computedStyleSupport) {
      return;
    }

    this.isActive = true;
    
    if(this.hideElements) this.setFlashClass();
    
    if(ua.ieWin && hacks.fragmentIdentifier.fix && window.location.hash != '') {
      hacks.fragmentIdentifier.cache();
    } else hacks.fragmentIdentifier.fix = false;
    
    if(!this.registerEvents) return;
    
    function handler(evt) {
      SIFR.initialize(true);
      
      // Remove handlers to prevent memory leak in Firefox 1.5
      if(document.removeEventListener) document.removeEventListener('load', handler, false);
      if(window.removeEventListener) window.removeEventListener('load', handler, false);
    }
    
    if(window.attachEvent) {
      window.attachEvent('onload', handler);
    } else if((!ua.konqueror || ua.konquerorVersion < 3.5) 
    && (document.addEventListener || window.addEventListener)) {
      if(document.addEventListener)  document.addEventListener('load', handler, false);  
      if(window.addEventListener) window.addEventListener('load', handler, false);  
    } else {
      if(typeof window.onload == 'function'){
        var fOld = window.onload;
        window.onload = function(evt){ fOld(evt); handler(evt); };
      } else window.onload = handler;
    }
  };
  
  this.hasFlashClass = false;
  this.setFlashClass = function() {
    if(this.hasFlashClass) return;

    dom.addClass(CSS_HASFLASH, dom.getBody() || document.documentElement);
    this.hasFlashClass = true;
  };
  
  this.isInitialized = false;
  this.initialize = function(evt) {
    if(this.isInitialized || !this.isActive || !this.isEnabled 
    || !evt && (ua.requiresPrefetch && hasPrefetched && this.waitForPrefetch || !this.uaCompletedRendering())) {
      return;
    }

    this.isInitialized = true;
    replaceKwargsStore.replaceAll();
    clearPrefetch();
  };
  
  this.uaCompletedRendering = function() {
    return (this.isInitialized || !ua.khtml && !ua.geckoXml && !!dom.getBody());
  };

  function getSource(kwargs) {
    if(typeof(kwargs) == 'string') return kwargs;
    if(ua.flashVersion < ADVANCED_FLASH_VERSION) return kwargs.src;
    return kwargs.highsrc || kwargs.src;
  }

  this.prefetch = function() {
    if(!ua.requiresPrefetch || !ua.flash || !this.isEnabled) return;
    if(this.waitForPrefetch && new RegExp(';?' + PREFETCH_COOKIE + '=true;?').test(document.cookie)) return;

    try { // We don't know which DOM actions the user agent will allow
      hasPrefetched = true;
      
      if(ua.ieWin) prefetchIexplore(arguments);
      else prefetchLight(arguments);

      if(this.waitForPrefetch) document.cookie = PREFETCH_COOKIE + '=true;path=' + this.cookiePath;
    } catch(e) {}
  };
  
  function prefetchIexplore(args) {
    var head = document.getElementsByTagName('head')[0];
    for(var i = 0; i < args.length; i++) {
      var node = dom.create('embed');
      head.appendChild(node);
      node.setAttribute('src', getSource(args[i]));
      node.setAttribute('sIFR-prefetch', 'true');
    }
  }
  
  // Lightweight prefetch method
  function prefetchLight(args) {
    for(var i = 0; i < args.length; i++) new Image().src = getSource(args[i]);
  }
  
  function clearPrefetch() {
    if(!ua.ieWin || !hasPrefetched) return;

    try {
      var head = document.getElementsByTagName('head')[0];
      var nodes = head.getElementsByTagName('embed');
      for(var i = nodes.length - 1; i >= 0; i--) {
        if(node.getAttribute('sIFR-prefetch') == 'true') head.removeChild(node);
      }
    } catch(e) {}
  }

  // Gives a font-size to required vertical space ratio
  // Tested with Verdana
  // Mirrored in sIFR.as
  function getRatio(size) {
    if(size <= 10) return 1.55;
    if(size <= 19) return 1.45;
    if(size <= 32) return 1.35;
    if(size <= 71) return 1.30;
    return 1.25;
  }
  
  function convertCssArg(arg) {
    if(!arg) return '';
    
    var css = [];
    for(var selector in arg) {
      var rule = arg[selector];
      if(rule == Object.prototype[selector]) continue;
      
      util.push(css, selector, '{');
      for(var property in rule) {
        if(rule[property] == Object.prototype[property]) continue;
        util.push(css, property, ':', rule[property], ';');
      }
      util.push(css, '}');
    }
    
    return css.join('');
  }
  
  function extractFromCss(css, selector, property, remove) {
    var value = null;
    
    if(css && css[selector] && css[selector][property]) {
      value = css[selector][property];
      if(remove) delete css[selector][property];
    }
    
    return value;
  }
  
  this.replace = function(kwargs) {
    if(!this.isInitialized) return util.push(replaceKwargsStore.kwargs, kwargs);
    if(hacks.synchronizer.isBlocked) return util.push(blockedReplaceKwargsStore.kwargs, kwargs);

    nodes = parseSelector(kwargs.selector);
    if(nodes.length == 0) return;
    
    this.setFlashClass();
    
    var src = getSource(kwargs);
    var css = convertCssArg(kwargs.css);
    var leading = parseInt(extractFromCss(kwargs.css, '.sIFR-root', 'leading')) || 0;
    var backgroundColor = extractFromCss(kwargs.css, '.sIFR-root', 'background-color', true) || '#FFFFFF';
    
    var wmode = kwargs.wmode || '';
    if(wmode == 'transparent') {
			if(!ua.transparencySupport)	wmode = 'opaque';
			else backgroundColor = 'transparent';
		}

    // Some IE installs refuse to show the Flash unless it gets the really absolute
    // URI of the file. I haven't been able to reproduce this behavior but let's
    // ensure a full URI none the less.
    if(ua.ie && src.charAt(0) == '/') {
      src = location.toString().replace(/([^:]+)(:\/?\/?)([^\/]+).*/, '$1$2$3') + src;
    }

    for(var i = 0; i < nodes.length; i++) {
      var node = nodes[i];
      
      if(dom.hasClass(CSS_REPLACED, node) || dom.hasClass(CSS_IGNORE, node)) {
        continue;
      }
      
      // Ignore elemnts which have no height. Usually these are `display: none;`
      if(node.offsetHeight == 0) continue;
      
      // Determine lineHeight (the font-size used in the Flash) and the number 
      // of lines. We also need the dimensions in order to calculate word 
      // wrapping.
      var paddingTop = dom.getStyleAsInt(node, 'paddingTop');
      if(paddingTop == null) paddingTop = kwargs.paddingTop;
      var paddingRight = dom.getStyleAsInt(node, 'paddingRight');
      if(paddingRight == null) paddingRight = kwargs.paddingRight;
      var paddingBottom = dom.getStyleAsInt(node, 'paddingBottom');
      if(paddingBottom == null) paddingBottom = kwargs.paddingBottom;
      var paddingLeft = dom.getStyleAsInt(node, 'paddingLeft');
      if(paddingLeft == null) paddingLeft = kwargs.paddingLeft;
      var borderTop = dom.getStyleAsInt(node, 'borderTopWidth');
      if(borderTop == null) borderTop = kwargs.borderTop;
      var borderRight = dom.getStyleAsInt(node, 'borderRightWidth');
      if(borderRight == null) borderRight = kwargs.borderRight;
      var borderBottom = dom.getStyleAsInt(node, 'borderBottomWidth');
      if(borderBottom == null) borderBottom = kwargs.borderBottom;
      var borderLeft = dom.getStyleAsInt(node, 'borderLeftWidth');
      if(borderLeft == null) borderLeft = kwargs.borderLeft;

      var height =  node.offsetHeight - paddingTop - paddingBottom - borderTop - borderBottom;
      var width = node.offsetWidth - paddingLeft - paddingRight - borderLeft - borderRight;

      // Take the zoom level into account
      var dZoom = dom.getZoom() / 100;
      height = Math.round(height / dZoom);
      width = Math.round(width * dZoom);

      var lineHeight, lines;
      if(!ua.ie) { //:=todo Only do once for each selector?
        if(!ua.computedStyleSupport && SIFR.compatMode) {
          var html = node.innerHTML;
          dom.setInnerHtml(node, 'X');
          lineHeight   = node.offsetHeight - paddingTop - paddingBottom - borderTop - borderBottom;
          dom.setInnerHtml(node, html);
        } else lineHeight = dom.getStyleAsInt(node, 'lineHeight');
        lines = Math.ceil(height / lineHeight);
      } else if(ua.ie) { // IE returs computed style in the original units, which is quite useless.
        var html = node.innerHTML;
        dom.setInnerHtml(node, 'X<br />X<br />X');
        
        // Without these settings, we won't be able to get the rects properly.
        node.style.visibility = 'visible';
        node.style.width = 'auto';
        node.style.styleFloat = 'none';
        var rects = node.getClientRects();

        lineHeight = rects[1].bottom - rects[1].top;
        dom.setInnerHtml(node, html);
        rects = node.getClientRects();
        lines = rects.length;

        // By setting an empty string, the values will fall back to those in the (non-inline) CSS.
        // When that CSS changes, the changes are reflected here. Setting explicit values would break
        // that behaviour.
        node.style.styleFloat = '';
        node.style.width = '';
        node.style.visibility = '';
      }

      lineHeight = Math.max(MIN_FONT_SIZE, lineHeight);
      lineHeight = Math.min(MAX_FONT_SIZE, lineHeight);

      if(isNaN(lines) || !isFinite(lines)) lines = 1;
      height = Math.round(lines * getRatio(lineHeight) * lineHeight);

      if(lines > 1 && leading) height += Math.round((lines - 1) * leading);

      var alternate = dom.create((ua.gecko || ua.opera) ? 'noembed' : 'span');
      alternate.className = CSS_ALTERNATE;
      
      var contentObj = handleContent(node, alternate);
      var $ = contentObj.content.match(/<br>/g);
      var extraLines = $ ? $.length : 0;

      var vars = ['content=' + contentObj.content, 'chars=' + contentObj.chars,
                  'links=' + contentObj.links, 'targets=' + contentObj.targets,
                  'w=' + width, 'h=' + height, 
                  'lines=' + lines, 'extralines=' + extraLines,
                  'size=' + lineHeight, 'zoom=' + dom.getZoom(), 'css=' + css];

      var callbackName = 'sIFR_callback_' + elementCount++;
      window[callbackName + '_DoFSCommand'] = (function(node) {
        return function(info, arg) {
          if(/(FSCommand\:)?resize/.test(info)) {
            var $ = arg.split(':');
            // The Flash is 7px too high
/*            if($[0] == 'height') $[1] = parseInt($[1]) - 7;*/
            node.firstChild.setAttribute($[0], $[1]);
            // Here comes another story!
            //
            // Good old Safari (saw this in 2.0.3) will *not* repaint the 
            // Flash movie with the new dimensions *until* the document
            // receives a UIEvent. I haven't tested this throroughly, so it
            // might respond to other events as well.
            //
            // The solution is to trick Safari into thinking that the `embed`
            // element has changed, this is done by adding an empty string
            // to it's `innerHTML`. Be aware though that adding this string
            // to `node` (the parent of the `embed` element) will immediately
            // crash Safari.
            //
            // Just to be sure this hack is applied to all browsers which
            // implement the KHTML engine.
            //
            /*:=todo Test this bug in older browsers to see if it occurs there
                      as well.
            */
            if(ua.khtml) node.firstChild.innerHTML += '';
          }
        }
      })(node);
      hacks.fscommand.setup(callbackName);

      var flash;
      if(ua.isIE) {
        flash = [
          '<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" sifr="true" width="',
          ua.zoomSupport ? width : '100%', '" height="', height, '" class="', CSS_FLASH, '">',
          '<param name="movie" value="', src, '?', encodeURI(vars.join('&amp;')), '"></param>',
          '<param name="allowScriptAccess" value="always"></param>',
          '<param name="quality" value="best"></param>',
          '<param name="wmode" value="', wmode, '"></param>',
          '<param name="bgcolor" value="', backgroundColor, '"></param>',
          '</object>'
        ].join('');
      } else {
        flash = [
          '<embed class="', CSS_FLASH, '" type="application/x-shockwave-flash" src="', 
          src,'" quality="best" flashvars="', 
          encodeURI(vars.join('&amp;')), '" width="', ua.zoomSupport ? width : '100%', 
          '" height="', height, '" wmode="', wmode, '" bgcolor="', backgroundColor, '" name="',
          callbackName, '" allowScriptAccess="always" sifr="true"></embed>'
        ].join('');
      }

      dom.setInnerHtml(node, flash);
      dom.appendNode(node, alternate);
      dom.addClass(CSS_REPLACED, node);
    }

    hacks.fragmentIdentifier.restore();
  };
  
  /*=:private
    Walks through the childNodes of `source` and copies to `alternate`. Also
    generates a text representation of these childNodes.
    
    Returns:
    * string: the text representation.
      
    Notes:
    * A number of items are still to do. See the individual comments for that.
    * This method does not recursion because it'll be necessary to keep a 
      count of all links and their URIs. This is easier without recursion.
  */
  function handleContent(source, alternate) {
    //:=todo add filters
    var stack = [];
    var nodes = source.childNodes;
    //:=todo dojo string builder for speed?
    // We start the arrays with default values. This stops us from having to
    // check if the array is empty when parsing the content. Don't mess with
    // this, it works.
    var content = [''];
    var chars = [','];
    var links = [];
    var targets = [];

    var i = 0;
    while(i < nodes.length) {
      var node = nodes[i];

      if(stack.length == 0) alternate.appendChild(node.cloneNode(true));

      if(node.nodeType == 3) {
        var text = util.normalize(node.nodeValue);

        if(chars[chars.length - 1] != ',' && /^\s/.test(text)) {
          util.push(content, ',');
          util.push(chars, ',');
        }

        var words = text.replace(/\s$/, '').split(/\s/);
        var j = 0;

        while(j < words.length) {
          if(words[j].length == 0) words.splice(j, 1);
          else {
            if(chars[chars.length - 1] != ',') chars[chars.length - 1] += words[j].length;
            else util.push(chars, words[j].length);
            
            util.push(content, words[j].replace(/\,/g, '%2C')); // Comma is used as a delimiter

            if(j < words.length - 1) {
              util.push(content, ',');
              util.push(chars, ',');
            }

            j++;
          }
        }

        if(/\s$/.test(text) && chars[chars.length - 1] != ',') {
          util.push(content, ',');
          util.push(chars, ',');
        }
      }

      if(node.nodeType == 1) {
        var attributes = [];
        var nodeName = node.nodeName.toLowerCase();
        
        var className = node.className || '';
        // If there are multiple classes, look for the specified sIFR class
        if(/\s+/.test(className)) {
          if(className.indexOf(CSS_CLASS)) className = className.match('(\\s|^)' + CSS_CLASS + '-([^\\s$]*)(\\s|$)')[2];
          // or use the first class
          else className = className.match(/^([^\s]+)/)[1];
        }
        if(className != '') util.push(attributes, 'class="' + className + '"');

        switch(nodeName) {
          case 'a':
            var href = node.getAttribute('href') || '';
            var target = node.getAttribute('target') || '';
            if(href != '') {
              util.push(links, escape(href));
              util.push(targets, escape(target));
              util.push(attributes, 'href="asfunction:sIFR.followLink,' + (links.length - 1) +  '"');
            }
            break;
          case 'br':
            if(/^<br>\s*$/.test(content[content.length - 1])) util.push(chars, 0);

            if(chars[chars.length - 1] != ',') {
              util.push(content, ',');
              util.push(chars, ',');
            }
            break;
        }

        // The tag needs to be one string in order to detect sequenced <br> tags
        util.push(content,   
          '<' + nodeName 
          + (attributes.length > 0 ? ' ' : '') 
          + escape(attributes.join(' ')) + '>'
        );

        //:=todo pass to tag filters to get attributes (this.filters.filterNode)
        if(node.hasChildNodes()) {
          // Push the current index to the stack and prepare to iterate
          // over the childNodes.
          util.push(stack, i);
          i = 0;
          nodes = node.childNodes;
          continue;
        } 
      }

      if(stack.length > 0 && !node.nextSibling) {
        // Iterating the childNodes has been completed. Go back to the position
        // before we started the iteration. If that position was the last child,
        // go back even further.
        do {
          i = stack.pop();
          nodes = node.parentNode.parentNode.childNodes;
          node = nodes[i];
          if(node) util.push(content, '</', node.nodeName.toLowerCase(), '>');
        } while(i < nodes.length && stack.length > 0);
      }
      
      i++;
    }
    
    // Force the `content` and `chars` arrays into a known shape, depending
    // on the DOM the arrays might be different and carry extraneous 
    // information, this will be sliced out when the function returns.
    if(content[content.length - 1] != ',') util.push(content, ',');
    if(content[1] != ',') content.splice(1, 0, ',');
    if(chars[chars.length - 1] != ',') util.push(chars, ',');
    if(chars[1] != ',') chars.splice(1, 0, ',');

    return {
      content: content.slice(2, content.length - 1).join(''), 
      chars: chars.slice(2, chars.length - 1).join(''),
      links: links.join(','),
      targets: targets.join(',')
    };
  }
};
/*****************************************************************************
scalable Inman Flash Replacement (sIFR) version 3, revision 436.

Copyright 2006 – 2008 Mark Wubben, <http://novemberborn.net/>

Older versions:
* IFR by Shaun Inman
* sIFR 1.0 by Mike Davidson, Shaun Inman and Tomas Jogin
* sIFR 2.0 by Mike Davidson, Shaun Inman, Tomas Jogin and Mark Wubben

See also <http://novemberborn.net/sifr3> and <http://wiki.novemberborn.net/sifr3>.

This software is licensed and provided under the CC-GNU LGPL.
See <http://creativecommons.org/licenses/LGPL/2.1/>
*****************************************************************************/

var sIFR=new function(){var O=this;var E={ACTIVE:"sIFR-active",REPLACED:"sIFR-replaced",IGNORE:"sIFR-ignore",ALTERNATE:"sIFR-alternate",CLASS:"sIFR-class",LAYOUT:"sIFR-layout",FLASH:"sIFR-flash",FIX_FOCUS:"sIFR-fixfocus",DUMMY:"sIFR-dummy"};E.IGNORE_CLASSES=[E.REPLACED,E.IGNORE,E.ALTERNATE];this.MIN_FONT_SIZE=6;this.MAX_FONT_SIZE=126;this.FLASH_PADDING_BOTTOM=5;this.VERSION="436";this.isActive=false;this.isEnabled=true;this.fixHover=true;this.autoInitialize=true;this.setPrefetchCookie=true;this.cookiePath="/";this.domains=[];this.forceWidth=true;this.fitExactly=false;this.forceTextTransform=true;this.useDomLoaded=true;this.useStyleCheck=false;this.hasFlashClassSet=false;this.repaintOnResize=true;this.replacements=[];var L=0;var R=false;function Y(){}function D(c){function d(e){return e.toLocaleUpperCase()}this.normalize=function(e){return e.replace(/\n|\r|\xA0/g,D.SINGLE_WHITESPACE).replace(/\s+/g,D.SINGLE_WHITESPACE)};this.textTransform=function(e,f){switch(e){case"uppercase":return f.toLocaleUpperCase();case"lowercase":return f.toLocaleLowerCase();case"capitalize":return f.replace(/^\w|\s\w/g,d)}return f};this.toHexString=function(e){if(e.charAt(0)!="#"||e.length!=4&&e.length!=7){return e}e=e.substring(1);return"0x"+(e.length==3?e.replace(/(.)(.)(.)/,"$1$1$2$2$3$3"):e)};this.toJson=function(g,f){var e="";switch(typeof(g)){case"string":e='"'+f(g)+'"';break;case"number":case"boolean":e=g.toString();break;case"object":e=[];for(var h in g){if(g[h]==Object.prototype[h]){continue}e.push('"'+h+'":'+this.toJson(g[h]))}e="{"+e.join(",")+"}";break}return e};this.convertCssArg=function(e){if(!e){return{}}if(typeof(e)=="object"){if(e.constructor==Array){e=e.join("")}else{return e}}var l={};var m=e.split("}");for(var h=0;h<m.length;h++){var k=m[h].match(/([^\s{]+)\s*\{(.+)\s*;?\s*/);if(!k||k.length!=3){continue}if(!l[k[1]]){l[k[1]]={}}var g=k[2].split(";");for(var f=0;f<g.length;f++){var n=g[f].match(/\s*([^:\s]+)\s*\:\s*([^;]+)/);if(!n||n.length!=3){continue}l[k[1]][n[1]]=n[2].replace(/\s+$/,"")}}return l};this.extractFromCss=function(g,f,i,e){var h=null;if(g&&g[f]&&g[f][i]){h=g[f][i];if(e){delete g[f][i]}}return h};this.cssToString=function(f){var g=[];for(var e in f){var j=f[e];if(j==Object.prototype[e]){continue}g.push(e,"{");for(var i in j){if(j[i]==Object.prototype[i]){continue}var h=j[i];if(D.UNIT_REMOVAL_PROPERTIES[i]){h=parseInt(h,10)}g.push(i,":",h,";")}g.push("}")}return g.join("")};this.escape=function(e){return escape(e).replace(/\+/g,"%2B")};this.encodeVars=function(e){return e.join("&").replace(/%/g,"%25")};this.copyProperties=function(g,f){for(var e in g){if(f[e]===undefined){f[e]=g[e]}}return f};this.domain=function(){var f="";try{f=document.domain}catch(g){}return f};this.domainMatches=function(h,g){if(g=="*"||g==h){return true}var f=g.lastIndexOf("*");if(f>-1){g=g.substr(f+1);var e=h.lastIndexOf(g);if(e>-1&&(e+g.length)==h.length){return true}}return false};this.uriEncode=function(e){return encodeURI(decodeURIComponent(e))};this.delay=function(f,h,g){var e=Array.prototype.slice.call(arguments,3);setTimeout(function(){h.apply(g,e)},f)}}D.UNIT_REMOVAL_PROPERTIES={leading:true,"margin-left":true,"margin-right":true,"text-indent":true};D.SINGLE_WHITESPACE=" ";function U(e){var d=this;function c(g,j,h){var k=d.getStyleAsInt(g,j,e.ua.ie);if(k==0){k=g[h];for(var f=3;f<arguments.length;f++){k-=d.getStyleAsInt(g,arguments[f],true)}}return k}this.getBody=function(){return document.getElementsByTagName("body")[0]||null};this.querySelectorAll=function(f){return window.parseSelector(f)};this.addClass=function(f,g){if(g){g.className=((g.className||"")==""?"":g.className+" ")+f}};this.removeClass=function(f,g){if(g){g.className=g.className.replace(new RegExp("(^|\\s)"+f+"(\\s|$)"),"").replace(/^\s+|(\s)\s+/g,"$1")}};this.hasClass=function(f,g){return new RegExp("(^|\\s)"+f+"(\\s|$)").test(g.className)};this.hasOneOfClassses=function(h,g){for(var f=0;f<h.length;f++){if(this.hasClass(h[f],g)){return true}}return false};this.ancestorHasClass=function(g,f){g=g.parentNode;while(g&&g.nodeType==1){if(this.hasClass(f,g)){return true}g=g.parentNode}return false};this.create=function(f,g){var h=document.createElementNS?document.createElementNS(U.XHTML_NS,f):document.createElement(f);if(g){h.className=g}return h};this.getComputedStyle=function(h,i){var f;if(document.defaultView&&document.defaultView.getComputedStyle){var g=document.defaultView.getComputedStyle(h,null);f=g?g[i]:null}else{if(h.currentStyle){f=h.currentStyle[i]}}return f||""};this.getStyleAsInt=function(g,i,f){var h=this.getComputedStyle(g,i);if(f&&!/px$/.test(h)){return 0}return parseInt(h)||0};this.getWidthFromStyle=function(f){return c(f,"width","offsetWidth","paddingRight","paddingLeft","borderRightWidth","borderLeftWidth")};this.getHeightFromStyle=function(f){return c(f,"height","offsetHeight","paddingTop","paddingBottom","borderTopWidth","borderBottomWidth")};this.getDimensions=function(j){var h=j.offsetWidth;var f=j.offsetHeight;if(h==0||f==0){for(var g=0;g<j.childNodes.length;g++){var k=j.childNodes[g];if(k.nodeType!=1){continue}h=Math.max(h,k.offsetWidth);f=Math.max(f,k.offsetHeight)}}return{width:h,height:f}};this.getViewport=function(){return{width:window.innerWidth||document.documentElement.clientWidth||this.getBody().clientWidth,height:window.innerHeight||document.documentElement.clientHeight||this.getBody().clientHeight}};this.blurElement=function(g){try{g.blur();return}catch(h){}var f=this.create("input");f.style.width="0px";f.style.height="0px";g.parentNode.appendChild(f);f.focus();f.blur();f.parentNode.removeChild(f)}}U.XHTML_NS="http://www.w3.org/1999/xhtml";function H(r){var g=navigator.userAgent.toLowerCase();var q=(navigator.product||"").toLowerCase();var h=navigator.platform.toLowerCase();this.parseVersion=H.parseVersion;this.macintosh=/^mac/.test(h);this.windows=/^win/.test(h);this.linux=/^linux/.test(h);this.quicktime=false;this.opera=/opera/.test(g);this.konqueror=/konqueror/.test(g);this.ie=false/*@cc_on||true@*/;this.ieSupported=this.ie&&!/ppc|smartphone|iemobile|msie\s5\.5/.test(g)/*@cc_on&&@_jscript_version>=5.5@*/;this.ieWin=this.ie&&this.windows/*@cc_on&&@_jscript_version>=5.1@*/;this.windows=this.windows&&(!this.ie||this.ieWin);this.ieMac=this.ie&&this.macintosh/*@cc_on&&@_jscript_version<5.1@*/;this.macintosh=this.macintosh&&(!this.ie||this.ieMac);this.safari=/safari/.test(g);this.webkit=!this.konqueror&&/applewebkit/.test(g);this.khtml=this.webkit||this.konqueror;this.gecko=!this.khtml&&q=="gecko";this.ieVersion=this.ie&&/.*msie\s(\d\.\d)/.exec(g)?this.parseVersion(RegExp.$1):"0";this.operaVersion=this.opera&&/.*opera(\s|\/)(\d+\.\d+)/.exec(g)?this.parseVersion(RegExp.$2):"0";this.webkitVersion=this.webkit&&/.*applewebkit\/(\d+).*/.exec(g)?this.parseVersion(RegExp.$1):"0";this.geckoVersion=this.gecko&&/.*rv:\s*([^\)]+)\)\s+gecko/.exec(g)?this.parseVersion(RegExp.$1):"0";this.konquerorVersion=this.konqueror&&/.*konqueror\/([\d\.]+).*/.exec(g)?this.parseVersion(RegExp.$1):"0";this.flashVersion=0;if(this.ieWin){var l;var o=false;try{l=new ActiveXObject("ShockwaveFlash.ShockwaveFlash.7")}catch(m){try{l=new ActiveXObject("ShockwaveFlash.ShockwaveFlash.6");this.flashVersion=this.parseVersion("6");l.AllowScriptAccess="always"}catch(m){o=this.flashVersion==this.parseVersion("6")}if(!o){try{l=new ActiveXObject("ShockwaveFlash.ShockwaveFlash")}catch(m){}}}if(!o&&l){this.flashVersion=this.parseVersion((l.GetVariable("$version")||"").replace(/^\D+(\d+)\D+(\d+)\D+(\d+).*/g,"$1.$2.$3"))}}else{if(navigator.plugins&&navigator.plugins["Shockwave Flash"]){var n=navigator.plugins["Shockwave Flash"].description.replace(/^.*\s+(\S+\s+\S+$)/,"$1");var p=n.replace(/^\D*(\d+\.\d+).*$/,"$1");if(/r/.test(n)){p+=n.replace(/^.*r(\d*).*$/,".$1")}else{if(/d/.test(n)){p+=".0"}}this.flashVersion=this.parseVersion(p);var j=false;for(var k=0,c=this.flashVersion>=H.MIN_FLASH_VERSION;c&&k<navigator.mimeTypes.length;k++){var f=navigator.mimeTypes[k];if(f.type!="application/x-shockwave-flash"){continue}if(f.enabledPlugin){j=true;if(f.enabledPlugin.description.toLowerCase().indexOf("quicktime")>-1){c=false;this.quicktime=true}}}if(this.quicktime||!j){this.flashVersion=this.parseVersion("0")}}}this.flash=this.flashVersion>=H.MIN_FLASH_VERSION;this.transparencySupport=this.macintosh||this.windows||this.linux&&(this.flashVersion>=this.parseVersion("10")&&(this.gecko&&this.geckoVersion>=this.parseVersion("1.9")||this.opera));this.computedStyleSupport=this.ie||!!document.defaultView.getComputedStyle;this.fixFocus=this.gecko&&this.windows;this.nativeDomLoaded=this.gecko||this.webkit&&this.webkitVersion>=this.parseVersion("525")||this.konqueror&&this.konquerorMajor>this.parseVersion("03")||this.opera;this.mustCheckStyle=this.khtml||this.opera;this.forcePageLoad=this.webkit&&this.webkitVersion<this.parseVersion("523");this.properDocument=typeof(document.location)=="object";this.supported=this.flash&&this.properDocument&&(!this.ie||this.ieSupported)&&this.computedStyleSupport&&(!this.opera||this.operaVersion>=this.parseVersion("9.61"))&&(!this.webkit||this.webkitVersion>=this.parseVersion("412"))&&(!this.gecko||this.geckoVersion>=this.parseVersion("1.8.0.12"))&&(!this.konqueror)}H.parseVersion=function(c){return c.replace(/(^|\D)(\d+)(?=\D|$)/g,function(f,e,g){f=e;for(var d=4-g.length;d>=0;d--){f+="0"}return f+g})};H.MIN_FLASH_VERSION=H.parseVersion("8");function F(c){this.fix=c.ua.ieWin&&window.location.hash!="";var d;this.cache=function(){d=document.title};function e(){document.title=d}this.restore=function(){if(this.fix){setTimeout(e,0)}}}function S(l){var e=null;function c(){try{if(l.ua.ie||document.readyState!="loaded"&&document.readyState!="complete"){document.documentElement.doScroll("left")}}catch(n){return setTimeout(c,10)}i()}function i(){if(l.useStyleCheck){h()}else{if(!l.ua.mustCheckStyle){d(null,true)}}}function h(){e=l.dom.create("div",E.DUMMY);l.dom.getBody().appendChild(e);m()}function m(){if(l.dom.getComputedStyle(e,"marginLeft")=="42px"){g()}else{setTimeout(m,10)}}function g(){if(e&&e.parentNode){e.parentNode.removeChild(e)}e=null;d(null,true)}function d(n,o){l.initialize(o);if(n&&n.type=="load"){if(document.removeEventListener){document.removeEventListener("DOMContentLoaded",d,false)}if(window.removeEventListener){window.removeEventListener("load",d,false)}}}function j(){l.prepareClearReferences();if(document.readyState=="interactive"){document.attachEvent("onstop",f);setTimeout(function(){document.detachEvent("onstop",f)},0)}}function f(){document.detachEvent("onstop",f);k()}function k(){l.clearReferences()}this.attach=function(){if(window.addEventListener){window.addEventListener("load",d,false)}else{window.attachEvent("onload",d)}if(!l.useDomLoaded||l.ua.forcePageLoad||l.ua.ie&&window.top!=window){return}if(l.ua.nativeDomLoaded){document.addEventListener("DOMContentLoaded",i,false)}else{if(l.ua.ie||l.ua.khtml){c()}}};this.attachUnload=function(){if(!l.ua.ie){return}window.attachEvent("onbeforeunload",j);window.attachEvent("onunload",k)}}var Q="sifrFetch";function N(c){var e=false;this.fetchMovies=function(f){if(c.setPrefetchCookie&&new RegExp(";?"+Q+"=true;?").test(document.cookie)){return}try{e=true;d(f)}catch(g){}if(c.setPrefetchCookie){document.cookie=Q+"=true;path="+c.cookiePath}};this.clear=function(){if(!e){return}try{var f=document.getElementsByTagName("script");for(var g=f.length-1;g>=0;g--){var h=f[g];if(h.type=="sifr/prefetch"){h.parentNode.removeChild(h)}}}catch(j){}};function d(f){for(var g=0;g<f.length;g++){document.write('<script defer type="sifr/prefetch" src="'+f[g].src+'"><\/script>')}}}function b(e){var g=e.ua.ie;var f=g&&e.ua.flashVersion<e.ua.parseVersion("9.0.115");var d={};var c={};this.fixFlash=f;this.register=function(h){if(!g){return}var i=h.getAttribute("id");this.cleanup(i,false);c[i]=h;delete d[i];if(f){window[i]=h}};this.reset=function(){if(!g){return false}for(var j=0;j<e.replacements.length;j++){var h=e.replacements[j];var 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