function openWin(url, name, w, h) {   
  if (!w) w= 630;
  if (!h) h= 650;
  var l = (screen.width / 2) - (w / 2);
  var t = (screen.height / 2) - (h /2);
  window.open(url, name,'left='+l+',top='+t+',height='+h+',width='+w+',resizable,scrollbars=no' );
  return false;
}
                   
function imgList(name) {
  return openWin('/imglist.html?name='+name);
}