SetUpNavRollOvers = function() {
			if (document.all&&document.getElementById) {
			navRoot = document.getElementById("nav");
			for (i=0; i<navRoot.childNodes.length; i++) {
			node = navRoot.childNodes[i];
			if (node.nodeName=="LI") {
			node.onmouseover=function() {
			this.className+=" over";
			  }
			  node.onmouseout=function() {
			  this.className=this.className.replace
					(" over", "");
			   }
			   }
			  }
			 }
			}
		OnloadFunctions = function() { 
			 SetUpNavRollOvers();		 
		}
		window.onload=OnloadFunctions;