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;