function changeSrc(target,image)
  	{
	if (!document.images) return;
  	document.images[target].src = image;
  	}
function fensterOeffnen(page,name,width,height)
  {
  var pars = "width="+width+",height="+height+",status=no, scrollbars";
  var w = window.open( page, name, pars );
  w.focus();
  }
function fensterSchliessen()
	{
	window.close();
	}