startList = function()
{
	if (document.all && document.getElementById)
	{
		var 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", "");
   				}
   			}
  		}
  		
  		var nodes = navRoot.getElementsByTagName('ul')
		for(i = 0; i < nodes.length; i++)
		{
			if (nodes.item(i).className == "three")
			{
				node = nodes.item(i)
				while (node.nodeName != "LI")
					node = node.parentNode
				node.onmouseover = function()
				{
					this.className += " over"
				}
				node.onmouseout = function()
				{
					this.className = this.className.replace( " over", "" )
				}
			}
		}
 	}
}
window.onload = startList;