activateMenu = function(nav) {
	    if(document.getElementById(nav).currentStyle){
	        var navroot = document.getElementById(nav);

            
            var lis=navroot.getElementsByTagName("LI");
            for(i=0;i<lis.length;i++){
                if(lis[i].lastChild.tagName=="UL"){
                    lis[i].onmouseover=function(){
                        this.lastChild.style.display="block";
                    }
                    lis[i].onmouseout=function(){
                        this.lastChild.style.display="none";
                    }
                }
            }
        }
    }
   
    /*window.onload=function(){
        // pass the function the id of the top level UL
        // remove one, when only using one menu
        activateMenu('dmenu');
    }*/