function openWindow(disp_url,width, height) {
  var opt = "scrollbars=yes,resizable=yes,width=" + width + ",height="
	+ height;
  window.open(disp_url, 'confirmWin', opt);
}
function display_in_opener(url,fr) {
  if(fr && fr=='in') {
    self.location.href = url;
  } else {
    if (self.opener == null) {
      window.parent.location.href = url;
    } else {
      w = self.opener;
      w.location.href = url;
    }
  }
}
function pageBack() {
  history.back();
}