sfHover = function() {
	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"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);




function Go (select) {
  var wert = select.options[select.options.selectedIndex].value;
  if (wert == "leer") {
    select.form.reset();
    return;
    } 
  else 
         {
       location.href = wert;
       }
}