//
// Menu Dropdowns
//
initNavigation = function() {
	var navRoot = document.getElementById("navigation");
	var lis = navRoot.getElementsByTagName("li");
	for ( var i = 0; i < lis.length; i++) {
		var drops = lis[i].getElementsByTagName("ul");
		if (drops.length) {
			lis[i].onmouseover = function() {
				this.className += " hover";
			}
			lis[i].onmouseout = function() {
				this.className = this.className.replace("hover", "");
			}
		}
	}
}

if (window.addEventListener){
	window.addEventListener("load", initNavigation, false);
}
else if (window.attachEvent){
	window.attachEvent("onload", initNavigation);
}

var imageArray = Array(
	'/images/menu/main-left.png',
	'/images/menu/main-right.png',
	'/images/menu/dropdown-top.png',
	'/images/menu/dropdown-bottom.png',
	'/images/menu/dropsown-back.png',
	'/images/menu/separator.png'
);

var i = 0;
var p = imageArray.length;
var imageBuffer = new Array();

for (i = 0; i < p; i++){
   imageBuffer[i] = new Image();
   imageBuffer[i].src = imageArray[i];
}