/*
 left nav....

*/
	function initSelectedLeftNavs(){
		var currentUrl = location;
		//top
		var top = false;
		if(currentUrl=="http://wendyusa.com/"||
			currentUrl == "http://www.wendyusa.com/"||
			currentUrl == "http://www.wendyusa.com/index.html")
			top = $("topNav").getElementsByTagName("a")[0];
		else
			top = getEqualA(currentUrl,$("topNav"));
		if(top){
			top.setAttribute("class","blue");
			top.setAttribute("className","blue");
		}
		//left
		var a = getEqualA(currentUrl,$("nav-product"));
		if(!a)
		{
			a = getNavUrl();
			if(!a)
				return;
		}
		var ul = a.nextSibling;
		while(ul){
			if(ul && ul.nodeName.toLowerCase() == "ul")
			{
				a.setAttribute("class","treeLevel1");
				a.setAttribute("className","treeLevel1");
				ul.style.display = "block";
				return;
			}
			ul = ul.nextSibling;
		}
		a.setAttribute("class","treeLevel2");
		a.setAttribute("className","treeLevel2");
		a.parentNode.parentNode.style.display = "block";
	}
	//得到相同的a标签,并返回
	function getEqualA(url,nav){
		var as;
		if(!nav)
			var as = document.getElementsByTagName("a");
		else
			var as = nav.getElementsByTagName("a");
		for(var i=0;i<as.length;i++)
		{
			if(as[i].href == url)
				break;
		}
		return as.length>0 ? as[i] : null;
	}
	//得到url
	function getNavUrl(){
		var breadcrumbs = getElementsByClassName("breadcrumbs",$("bodycontent"),"div");
		if(breadcrumbs.length>0){
			breadcrumbs = breadcrumbs[0];
		var as = breadcrumbs.getElementsByTagName("a");
		for(var i=as.length-1;i>=0;i--)
		{
			var a = getEqualA(as[i].href,$("nav-product"));
			if(a){
				break;
			}
		}
               }
		return !a ? null : a;
	}