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