function mostramenu(me,obj,url) {
	if(document.getElementById) {
		var el = document.getElementById(obj);
		var ar = document.getElementById("menu_sx").getElementsByTagName("ul");
		if(el){
			if(el.style.display == "none") {
				for (var i=0; i<ar.length; i++) {
					ar[i].style.display = "none";
				}
				el.style.display = "block";
			} else {
				el.style.display = "none";
			}
		} else {
			window.location = url;
		}
	}
}