function initPage()
{
	var navRoot = document.getElementById("nav");
	if(navRoot){
		var lis = navRoot.getElementsByTagName("li");
		var _a = -1;
		for (var i=0; i<lis.length; i++){
			if(lis[i].className.indexOf('active') != -1) _a = i;
			lis[i].onmouseover = function(){
				if(_a != -1) lis[_a].className = lis[_a].className.replace('active','');
				this.className += " hover";
			}
			lis[i].onmouseout = function(){
				if(_a != -1) lis[_a].className = ' active';
				this.className = this.className.replace("hover","");
			}
		}
	}
}

if (window.addEventListener)
	window.addEventListener("load", initPage, false);
else if (window.attachEvent)
	window.attachEvent("onload", initPage);