function addRollovers(){
	var menu = document.getElementById("menu");
	if(menu === null)
		return;
	
	if(menu.childNodes === null)
		return;
			
	for(var i = 0; i < menu.childNodes.length; i++){
		var node = menu.childNodes[i];
		if(node.className == "navigationItem"){
			var nodeId = node.id;
			var childLink = node.getElementsByTagName("a");
			if(childLink === null || childLink.length != 1)
				continue;
				
			var link = childLink[0];
			link.onmouseover = function(){this.parentNode.className = 'navigationItemHighlighted'};
			link.onmouseout = function(){this.parentNode.className = 'navigationItem'};
		}			
	}
}


_addEventListener(window, 'load', function(){addRollovers()}, false);