/*
 *  Hintergrund der Navigation beim Hover
 */
function changeNaviTransperency(id, mode)
{
  var item = document.getElementById('navi_td_' + id);

  var url_str = "sysimg/menu_transperency_" + mode + ".png";

  if (mode == 0)
    item.style.backgroundImage = "url('sysimg/layout/dot.gif')";
  else
    item.style.backgroundImage = "url(" + url_str + ")";
}


/*
 *  Bildwechsel der Collections beim Hover



 */
function changeCollectionImg(id, mode)
{
  var item = document.getElementById(id);

  if(mode == "_hover")
    var url_str = "sysimg/layout/collections_0" + id + "_hover.jpg";
  else
    var url_str = "sysimg/layout/collections_0" + id + ".jpg";

  item.src = url_str;
}