startList = 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", "");
		   }
		   }
	  }
	 }
}
window.onload=startList;