// JavaScript Document

function horizontal() {
	var navItems = document.getElementById("menu-principal").getElementsByTagName("li");
	for (var i=0; i< navItems.length; i++) {
		if(navItems[i].className == "menu-pop") {
			if(navItems[i].getElementsByTagName('div')[0] != null) {
				navItems[i].onmouseover=function() {
					this.getElementsByTagName('div')[0].style.visibility="visible";
				}
				navItems[i].onmouseout=function() {
					this.getElementsByTagName('div')[0].style.visibility="hidden";
				}
			}
		}
	}
}