var fotowin=0;
function foto(id,x,y) {
   if (fotowin != 0) { fotowin.close(); }
   var winx = (screen.width-x)/2;
   var winy = (screen.height-y)/2;
   fotowin = window.open("../inc/fotowin.php?id="+id+"&x="+x+"&y="+y,"foto","toolbar=yes,menubar=no,location=no,directories=no,scrollbars=no,resizable=no,status=yes,top="+winy+",left="+winx+",width="+x+",height="+y);
   return;
}