activateMenu = function() {
    /* currentStyle restricts the Javascript to IE only */
    if (document.all && document.getElementById("nav").currentStyle) {  
        var navroot = document.getElementById("nav");
        
        /* 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";
					this.lastChild.className = "over";
					this.className = "over";
                }
                lis[i].onmouseout=function() {                       
//                   this.lastChild.style.display="none";
					this.lastChild.className = "out";
					this.className = "norm";
                }
            }
        }
	}
	}
window.onload= activateMenu;