<!-- main menu dropdowns -->
if (window.attachEvent) window.attachEvent("onload", hoverMenu);

function hoverMenu() {
  setTimeout('modifyMenu()',250);
}

function modifyMenu(){
	var sfEls = document.getElementById("nav").getElementsByTagName("LI");
	for (var i = 0; i < sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" sfhover";
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
}

<!-- jump menu, use <select> onchange="MM_jumpMenu('parent',this,0)" -->

function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}