startMenu = function() 
{
   if (document.all&&document.getElementById) 
   {
       topmenu = document.getElementById("top_menu");
       for (i=0; i<topmenu.childNodes.length; i++) 
	   {
           node = topmenu.childNodes[i];
           if (node.nodeName=="LI") 
		   {
			   node.onmouseover=function() 
			   {
                   this.className+=" over";
               }
			   
               node.onmouseout=function()
			   {                  
                   this.className=this.className.replace(" over", "")
               }
           }
       }
	   
	   topmenu = document.getElementById("top2_menu");
       for (i=0; i<topmenu.childNodes.length; i++) 
	   {
           node = topmenu.childNodes[i];
           if (node.nodeName=="LI") 
		   {
			   node.onmouseover=function() 
			   {
                   this.className+=" over";
               }
			   
               node.onmouseout=function()
			   {                  
                   this.className=this.className.replace(" over", "")
               }
           }
       }
    }
}

if (window.attachEvent)
    window.attachEvent("onload", startMenu)
else
    window.onload=startMenu;