activateMenu = function(nav) {
    /* currentStyle restricts the Javascript to IE only */
	if (msie4 && document.all && document.getElementById(nav).currentStyle) {  
		var navroot = document.getElementById(nav);
        /* Get all the list items within the menu */
        var lis=navroot.getElementsByTagName("LI");  
		var liss = document.getElementsByTagName("SELECT");
		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";
				   if (this.className.indexOf('overmenu') == '-1') {
				   		this.className += ' overmenu';
					}
					
					for (j=0; j<liss.length; j++){
						liss[j].style.display = "none";
					}
	
      			}
				lis[i].onmouseout=function() {                       
                    this.lastChild.style.display="none";
					if (this.className.indexOf('current') == -1){
						this.className = '';
					}else{
						this.className ='current';
					}
					for (j=0; j<liss.length; j++){
						liss[j].style.display = "";
					}
				}
            }
		}

	}
}
