subNav = function()
	{
	if (document.all&&document.getElementById)
		{
		var navRoot = document.getElementById("sub-nav");
		if (navRoot != null)
			{
			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=subNav;