function SwitchMenu(obj){
	if(document.getElementById){
	var el = document.getElementById(obj);
	//var ar = document.getElementById("icdiv").getElementsByTagName("span"); 
		if(el.style.display != "block"){ 
			//for (var i=0; i<ar.length; i++){
			//	if (ar[i].className=="submenu") 
			//	ar[i].style.display = "none";
			//}
			el.style.display = "block";
		}else{
			el.style.display = "none";
		}
	}
}