var popgalerie = null;
var popswidth = screen.width;
var popsheight = screen.height;
function popupWindow(url,isim,scr,width,height)
{
var popleft  = (popswidth - width)/2;
var poptop  = (popsheight - height)/2;
var popprobs = "left = "+popleft + ",top = "+poptop+",width="+width+",height="+height;
if (popgalerie == null || popgalerie.closed) {
popgalerie=window.open(url,isim,'location=no,toolbar=no,directories=no,menubar=no,resizable=no,scrollbars='+scr+',status=no,'+popprobs);
  }
  else {
popgalerie.close();
popgalerie=window.open(url,isim,'location=no,toolbar=no,directories=no,menubar=no,resizable=no,scrollbars='+scr+',status=no,'+popprobs);
popgalerie.focus();
}
}