startList = function() {
var lis = document.getElementsByTagName('li');
		for (var i = 0, li; li = lis[i]; i++){
		 var link = li.getElementsByTagName('a')[0];
		 if (link){
			link.onfocus = function(){
			 var ul = this.parentNode.getElementsByTagName('ol')[0];
			 if (ul)
			 ul.style.display = 'block';
			}
			var ul = link.parentNode.getElementsByTagName('ul')[0];
			if (ul){
			 var ullinks = ul.getElementsByTagName('a');
			 var ullinksqty = ullinks.length;
			 var lastItem = ullinks[ullinksqty - 1];
			 if (lastItem){
				lastItem.onblur = function(){
				 this.parentNode.parentNode.style.display = '';
				}
			 }
			}
		 }
		}
	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;