startList = function() 
{
		navRoot = document.getElementById("channel_nav");
		for (var 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;