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("l_menu_11").getElementsByTagName("ul");
	for(var j=0;j<list.length;j++){
		list[j].style.display = "none";
	}
	var list2 = document.getElementById("l_menu_22").getElementsByTagName("ul");
	for(var m=0;m<list2.length;m++){
		list2[m].style.display = "none";
	}
}