function toggle(id){
    li = "" + id;
    liElement = document.getElementById(li);
	if (liElement){
		for(i=0;i<document.getElementsByTagName("li").length;i++){
			if (liElement.id != document.getElementsByTagName("li")[i].id){
				if(document.getElementsByTagName("li")[i].className == "open"){
					document.getElementsByTagName("li")[i].className = "closed"
				}
			}
		}
	//alert(document.getElementsByTagName("div")[2].className)
    	if (liElement.className == 'closed'){
        	liElement.className = "open";
        }
		else{
        	liElement.className = "closed";
        }
    }
}