var extwin2;

function popwin(fname, pwidth, pheight)
  {
  var url;
  var opts;

  url = "/agora/image_detail.php?imageID=" + fname;
  opts = 'width=' + (530 + pwidth) + ',height=' + (450 + pheight) + ',menubar=0,scrollbars=1,status=1';
  extwin2 = window.open(url, 'imageShow', opts);
  }