function LoadWindow(src, hgt, wid) {
  opts = "location=no,menubar=no,toolbar=no,resizable=yes,scrollbars=yes";
  if(hgt != 0)
    opts = "height=" + hgt + "," + opts;
  if(wid != 0)
    opts = "width=" + wid + "," + opts;
    
  window.open(src,"popupwin",opts);
}

function LoadPopup(module) {
  LoadWindow("popup.php?module=" + module, 500, 550);
}