<attach event="ondocumentready" handler="parseStylesheets" />
<script>
/**
 *		 Whatever:hover - V1.42.060206 - hover & active
 *		 ------------------------------------------------------------
 *		 (c) 2005 - Peter Nederlof
 *		 Peterned - http://www.xs4all.nl/~peterned/
 *		 License  - http://creativecommons.org/licenses/LGPL/2.1/
 *
 *		 Whatever:hover is free software; you can redistribute it and/or
 *		 modify it under the terms of the GNU Lesser General Public
 *		 License as published by the Free Software Foundation; either
 *		 version 2.1 of the License, or (at your option) any later version.
 *
 *		 Whatever:hover is distributed in the hope that it will be useful,
 *		 but WITHOUT ANY WARRANTY; without even the implied warranty of
 *		 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 *		 Lesser General Public License for more details.
 *
 *		 Credits and thanks to:
 *		 Arnoud Berendsen, Martin Reurings, Robert Hanson
 *
 *		 howto: body { behavior:url("csshover.htc"); }
 *		 ------------------------------------------------------------
 */

var csshoverReg = /(^|\s)(([^a]([^ ]+)?)|(a([^#.][^ ]+)+)):(hover|active)/i,
currentSheet, doc = window.document, hoverEvents = [], activators = {
		 onhover:{on:'onmouseover', off:'onmouseout'},
		 onactive:{on:'onmousedown', off:'onmouseup'}
}

function parseStylesheets() {
		 if(!/MSIE (5|6|7|8)/.test(navigator.userAgent)) return;
		 window.attachEvent('onunload', unhookHoverEvents);
		 var sheets = doc.styleSheets, l = sheets.length;
		 for(var i=0; i<l; i++) 
		 		 parseStylesheet(sheets[i]);
}
		 function parseStylesheet(sheet) {
		 		 if(sheet.imports) {
		 		 		 try {
		 		 		 		 var imports = sheet.imports, l = imports.length;
		 		 		 		 for(var i=0; i<l; i++) parseStylesheet(sheet.imports[i]);
		 		 		 } catch(securityException){}
		 		 }

		 		 try {
		 		 		 var rules = (currentSheet = sheet).rules, l = rules.length;
		 		 		 for(var j=0; j<l; j++) parseCSSRule(rules[j]);
		 		 } catch(securityException){}
		 }

		 function parseCSSRule(rule) {
		 		 var select = rule.selectorText, style = rule.style.cssText;
		 		 if(!csshoverReg.test(select) || !style) return;

		 		 var pseudo = select.replace(/[^:]+:([a-z-]+).*/i, 'on$1');
		 		 var newSelect = select.replace(/(\.([a-z0-9_-]+):[a-z]+)|(:[a-z]+)/gi, '.$2' + pseudo);
		 		 var className = (/\.([a-z0-9_-]*on(hover|active))/i).exec(newSelect)[1];
		 		 var affected = select.replace(/:(hover|active).*$/, '');
		 		 var elements = getElementsBySelect(affected);
		 		 if(elements.length == 0) return;

		 		 currentSheet.addRule(newSelect, style);
		 		 for(var i=0; i<elements.length; i++)
		 		 		 new HoverElement(elements[i], className, activators[pseudo]);
		 }

function HoverElement(node, className, events) {
		 if(!node.hovers) node.hovers = {};
		 if(node.hovers[className]) return;
		 node.hovers[className] = true;
		 hookHoverEvent(node, events.on, function() { node.className += ' ' + className; });
		 hookHoverEvent(node, events.off, function() { node.className = node.className.replace(new RegExp('\\s+'+className, 'g'),''); });
}
		 function hookHoverEvent(node, type, handler) {
		 		 node.attachEvent(type, handler);
		 		 hoverEvents[hoverEvents.length] = { 
		 		 		 node:node, type:type, handler:handler 
		 		 };
		 }

		 function unhookHoverEvents() {
		 		 for(var e,i=0; i<hoverEvents.length; i++) {
		 		 		 e = hoverEvents[i]; 
		 		 		 e.node.detachEvent(e.type, e.handler);
		 		 }
		 }

function getElementsBySelect(rule) {
		 var parts, nodes = [doc];
		 parts = rule.split(' ');
		 for(var i=0; i<parts.length; i++) {
		 		 nodes = getSelectedNodes(parts[i], nodes);
		 }		 return nodes;
}
		 function getSelectedNodes(select, elements) {
		 		 var result, node, nodes = [];
		 		 var identify = (/\#([a-z0-9_-]+)/i).exec(select);
		 		 if(identify) {
		 		 		 var element = doc.getElementById(identify[1]);
		 		 		 return element? [element]:nodes;
		 		 }
		 		 
		 		 var classname = (/\.([a-z0-9_-]+)/i).exec(select);
		 		 var tagName = select.replace(/(\.|\#|\:)[a-z0-9_-]+/i, '');
		 		 var classReg = classname? new RegExp('\\b' + classname[1] + '\\b'):false;
		 		 for(var i=0; i<elements.length; i++) {
		 		 		 result = tagName? elements[i].all.tags(tagName):elements[i].all; 
		 		 		 for(var j=0; j<result.length; j++) {
		 		 		 		 node = result[j];
		 		 		 		 if(classReg && !classReg.test(node.className)) continue;
		 		 		 		 nodes[nodes.length] = node;
		 		 		 }
		 		 }		 
		 		 
		 		 return nodes;
		 }
</script>
