var menuItems = new Array();

function setupMenu(){

	var menu = document.getElementById('menu');
	for(var i=0; i<menu.childNodes.length; i++){
		var element = menu.childNodes[i];
		if(element.tagName && element.tagName == 'A'){
			var images = element.getElementsByTagName('IMG');
			for(var img=0; img<images.length; img++){
				setupImageMouseOver(images[img]);
			}
		}
	}
}

function setupImageMouseOver(img){
	
	var src = img.src;
	var pos = src.lastIndexOf('/');
	if(pos != -1){
		var highlightSrc = src.substring(0, pos+1) + 'hl_' + src.substring(pos+1);
		var highlightImage = new Image(); 
		highlightImage.onload = function() {
			img.onmouseover = function() { img.src = highlightSrc; };
			img.onmouseout = function() { img.src = src; };
		}
		highlightImage.src = highlightSrc;
	}
}