function popup_thumb(bild,x,y){
   var w = x+40;
   var h = y+80;
   if(w<250)w=250;
   var win;
   win=window.open ("popup_thumb.htm?bild="+escape(bild)+"&x="+escape(x)+"&y="+escape(y)+"","","width="+w+",height="+h+",screenX=10,screenY=10,left=10,top=10,fullscreen=no,directories=0,location=0,menubar=0,resizable=1,scrollbars=no,status=0,toolbar=0,depend=no");
}