if (document.images)
{
 arrowright= new Image(13,13);
 arrowright.src = "/germany/windows/products/winfamily/mediacenter/images/arrow-right.gif";
 arrowdown = new Image(13,13);
 arrowdown.src = "/germany/windows/products/winfamily/mediacenter/images/arrow-down.gif";
}

function showHideDiv(id, arrow)
{
 if(document.getElementById(id))
 {
  var obj=document.getElementById(id);
  if(obj.style)obj.style.display=(obj.style.display=='none')?'block':'none';
  var arrow = document.getElementById(arrow);
  if (obj.style.display=='none') arrow.src = arrowright.src;
  else arrow.src = arrowdown.src;
 }
 else return;
}