function ToggleNav(){
if(!document.getElementsByTagName) return false;
var List = document.getElementsByTagName("li");
	for( var i=0 ; i < List.length ; i++){
		if( List[i].className == "toggle"){
			List[i].className="togglefold";
			List[i].setAttribute("class","togglefold");
			List[i].onclick = function(){
				
				if(this.className == "toggle"){
					this.className="togglefold";
				}
				else{
					this.className="toggle";
				}
			}
		}
	}
}
window.onload= ToggleNav;