// JavaScript Document
var sfHover;

sfHover = function() {
  var sfEls = document.getElementById("kopf_navigation").getElementsByTagName("li");
  for (var i=0; i<sfEls.length; i++) {
    sfEls[i].onmouseover=function() {
      this.className+=" hover";
    }
    sfEls[i].onmouseout=function() {
      this.className=this.className.replace(new RegExp(" hover\\b"), "");
    }
  }
}

if (window.attachEvent) window.attachEvent("onload", sfHover);

function hover (el) {
  var p;
  var a;
  p = el.parentNode; 
  a = p.getElementsByTagName('a')[0];
  a.style.backgroundImage='url(images/menu_a_background.gif)'; //anderes Bild
}

function hout (el) {
  var p;
  var a;
  p = el.parentNode; 
  a = p.getElementsByTagName('a')[0];
  if (a.className != 'aktiv') {
    a.style.backgroundImage='none';
    a.onmouseover=function() {
      a.style.backgroundImage='url(images/menu_a_background.gif)'; //anderes Bild
    }
    a.onmouseout=function() {
      a.style.backgroundImage='none';
    }
  }
}