function openMenu(node){
	var subMenu = node.parentNode.getElementsByTagName("ul")[0];
	subMenu.style.display == "none" ? subMenu.style.display = "block" : subMenu.style.display = "none";
}
function allClose(){
	var list = document.getElementById("menucont").getElementsByTagName("ul");
	for(var i=0;i<list.length;i++){
		list[i].style.display = "none";
	}
}