// JavaScript Document

var navlist;
var listitems;

function initDropDown(){
	if(!document.getElementById) return false;
	if(!document.getElementsByTagName) return false;
	if(!document.getElementById("navigation")) return false;
	
	navlist = document.getElementById("navigation");
	listitems = navlist.getElementsByTagName("li");
	for(var i=0; i<listitems.length; i++){
		listitems[i].onmouseover = function(){
			hideDropDowns();
			
			if(this.attributes['class'] && this.attributes['class'].value == "rollover"){
				var subnav = this.getElementsByTagName("ul");
				for(var k=0; k<subnav.length; k++){
					subnav[k].style.display = "block";
				}
			}
		}
	}
}

function hideDropDowns(){
	for(var i=0; i<listitems.length; i++){
		var subnav = listitems[i].getElementsByTagName("ul");
		for(var k=0; k<subnav.length; k++){
			subnav[k].style.display = "none";
		}
	}
}

addLoadEvent(initDropDown);