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;