/* ----- menu_superior.js ----- */
function ShowHide(id, visibility) {
    obj = document.getElementsByTagName("div");
    obj[id].style.visibility = visibility;
}

over = function() {
	var sfEls = document.getElementById("dropdown").getElementsByTagName("LI");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" over";
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" over\\b"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", over);