function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      if (oldonload) {
        oldonload();
      }
      func();
    }
  }
}

/* 08.11.07: final, wieder einkommentieren

function layer_footer() {
  var ul = document.getElementById('sponsor_list');
  var links = ul.getElementsByTagName('a');
  for (var i=0; i<links.length; i++) {
    links[i].onclick = function() {
      this.parentNode.parentNode.className = this.parentNode.parentNode.className == "" ? "alt" : "";
      return false;
    }
  }
}
*/