function Mouseover() {
	var navRoot;
	var self = this;
	
	this.init = function() { 
		if (document.all&&document.getElementById) {			
			self.navRoot = document.getElementById("nav-ul");
			for (i=0; i<self.navRoot.childNodes.length; i++) {
				node = self.navRoot.childNodes[i];
				if (node.nodeName=="LI") {
					node.onmouseover=function() { this.className+=" hover"; }
		  			node.onmouseout=function() { this.className=this.className.replace(" hover", ""); }
				}
		   	}
		}
	}
}
var mouseover = new Mouseover();

onloadHandlers[onloadHandlers.length] = 'mouseover.init()';