function navigate(obj) {
	//alert(obj);
	SetCookie("navIndex", obj);
	//var navLinks = document.getElementById("nav").getElementsByTagName("a");
	//for (var i = 0; i < navLinks.length; i++) {
		//if (navLinks[i] == obj) {
			//alert(i);
			//SetCookie("navIndex", obj);
		//}
	//}
}

var changeNavBg = function () {
	var cookieValue = getCookie("navIndex");
	var navLinks = document.getElementById("UlNav").getElementsByTagName("a");
	//if (cookieValue != null)
		//navLinks[cookieValue].className = "navCurrent";
	//alert($("#UlNav").html());
	
	for(var i=0;i<navLinks.length;i++)
	{
		if(i==cookieValue)
		{
			navLinks[cookieValue].className = "navCurrent";
			//$(navLinks[cookieValue]).css("background","url(images/dh_bg.gif) no-repeat 3px 0px");
			//$(navLinks[cookieValue]).css("color","#FFFFFF");
		}
		else
		{
			//navLinks[i].className="";
			//$(navLinks[i]).css("background-image","none");
			//$(".current-cat").css("background-image","none");
			//$(".current-cat a").css("background-image","none");
			//$(".current-catXXX").css("background-image","none");
			//$(".current-catXXX a").css("background-image","none");
			//$(".current-catXXX000").css("background-image","none");
			//$(".current-catXXX000 a").css("background-image","none");
		}
	}
	
	//$("ul.lavaLamp li:eq(0)").css("background-image", "none");
	//$("ul.lavaLamp li:eq(0)").removeClass("current-catXXX000");
	//$("ul.lavaLamp li:first").css("background-image", "none");
	//$("ul.lavaLamp li:first").removeClass("current-catXXX000");
	//$("ul.lavaLamp li a:eq(0)").css("background-image", "none");
	//$("ul.lavaLamp li a:first").css("background-image", "none");
	


		$("#UlNav li").mouseover(function(){$(this).css("background","url(images/dh_bg.gif) no-repeat 3px 0px")}).mouseout(function(){$(this).css("background-image","none")})

};


$(document).ready(function(){
	changeNavBg();
	//alert($("#UlNav").html());
})

//window.onload=function(){changeNavBg();}


function SetCookie(name, value) {
	var Days = 30;
	var exp=new Date();
	exp.setTime(exp.getTime() + Days * 24 * 60 * 60 * 1000);
	document.cookie = name + "=" + escape(value) + ";expires=" + exp.toGMTString();
}
function getCookie(name){
	var arr = document.cookie.match(new RegExp("(^| )" + name + "=([^;]*)(;|$)"));
	if (arr != null) return unescape(arr[2]); return null;
}
//        function delCookie(name)//删除cookie
//        {
//            var exp = new Date();
//            exp.setTime(exp.getTime() - 1);
//            var cval = getCookie(name);
//            if (cval != null) document.cookie = name + "=" + cval + ";expires=" + exp.toGMTString();
//        }