// JavaScript Bilder-Zoom
var popUpWin=0;

function popUpWindow(URLStr, scrollable, left, top, width, height)
{
  if (popUpWin)
  {
    if(!popUpWin.closed)popUpWin.close();
  }
  popUpWin = open(URLStr, 'popUpWin', 'width='+width+',height='+height+',left='+left+',top='+top+',screenX='+left+',screenY='+top+',scrollbars='+scrollable+',resizable=yes,copyhistory=yes,toolbar=no,location=no,directories=no,status=no,menubar=no');      
}