function popup(mylink, windowname)
{
  if(!window.focus) return true;

  var href;

  if(typeof(mylink) == 'string')
    href = mylink;
  else
    href = mylink.href;

  var newWindow = '';
  newWindow = window.open(href, windowname, ',type = fullWindow, fullscreen, scrollbars=yes');
  newWindow.focus();

  return false;
}