activateMenu = function(nav) 
{
/* currentStyle restricts the Javascript to IE only */
if (document.all) 
{  
        var navroot = document.getElementById(nav);
        if (navroot === null)
           {             
             return;
           }
	/* Get all the list items within the menu */
        var lis=navroot.getElementsByTagName("LI");  
        for (i=0; i<lis.length; i++) {
        
           /* If the LI has another menu level */
            if(lis[i].lastChild.tagName=="UL"){
                /* assign the function to the LI */
             	lis[i].onmouseover=function() {	
                
                   /* display the inner menu */
                   this.lastChild.style.display="block";
                }				
                lis[i].onmouseout=function() {                       
                   this.lastChild.style.display="none";
                }
            }
        }
  }	
}

//document.onkeypress=keypress;
window.onload= function()
{
    /* pass the function the id of the top level UL */
    /* remove one, when only using one menu */
    activateMenu('nav'); 
    activateMenu('vertnav');	  
}