var elementName;

function changeMap(wert,elName)
{
  if (wert!='cath')
  {
    elementName = elName;
    showImageChangeHint();
    document.karte.src='map.php?add='+wert;
  }
  return true;
}

function hideImageChangeHint()
{
  if (elementName != undefined)
  {
    document.forms["maps"].elements[elementName].blur();
    self.focus();
  }
  if (document.getElementById)
  {
    document.getElementById('imageChange').style.visibility = 'hidden';
  }
  else if (document.all)
  {
    document.all['imageChange'].style.visibility = 'hidden';
  }
  else if (document.layers)
  {
    document.layers['imageChange'].visibility=false;
  }
  return true;
}

function showImageChangeHint()
{
  if (document.getElementById)
  {
    document.getElementById('scyscraper').src = 'scyscraper.php';
    document.getElementById('fullBannerAd').src = 'fullbannerad.php';
    document.getElementById('imageChange').style.visibility = 'visible';
  }
  else if (document.all)
  {
    document.all['imageChange'].src = 'scyscraper.php';
    document.all['imageChange'].src = 'fullbannerad.php';
    document.all['imageChange'].style.visibility = 'visible';
  }
  else if (document.layers)
  {
    document.layers['imageChange'].visibility=true;
  }
}