/**
 *      Whatever:hover - V2.02.060206 - hover, active & focus
 *      ------------------------------------------------------------
 *      (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))|((a|input|textarea)([#.][^ ]+)?:unknown)/i,
currentSheet, doc = window.document, hoverEvents = [], activators = {
        onhover:{on:'onmouseover', off:'onmouseout'},
        onactive:{on:'onmousedown', off:'onmouseup'},
        onunknown:{on:'onfocus', off:'onblur'}
}
function parseStylesheets() {
        if(!/MSIE (5|6)/.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, '.$2' + pseudo);
		var className = (/\.([a-z0-9_-]*on(hover|active|unknown))/i).exec(newSelect)[1];
		var affected = select.replace(/:(hover|active|unknown).*$/, '');
		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;
}
 /* Ajouter aux favoris */
function favori(phrase,lien) {
	   if (window.sidebar) { 
	   window.sidebar.addPanel(phrase, lien,""); 
	   }
	   else if( document.all ) {
	   window.external.AddFavorite(lien, phrase);
	   }
	   else {
	   return true;
	   }
}