// JavaScript Document
function switchImage(imgName, imgSrc) 
{
  if (document.images)
  {
    if (imgSrc != "none")
    {
      document.images[imgName].src = imgSrc;
    }
  }
}
function openBW (id,breite,hoehe)
  {
	var x="";
	hbreite = breite + 0;
	hhoehe = hoehe + 0;
    var myLeft = (screen.width-hbreite)/2;
    var myTop = (screen.height-hhoehe)/2;
	x="toolbar=no,location=no,status=no,menubar=no,scrollbars=yes,resizable=no,left="+myLeft+",top="+myTop+",width="+hbreite+",height="+hhoehe;
	gb = window.open(id, "Pfeiferhof", x);
  }