function do_submit(form_id)
{
  document.getElementById(form_id).submit();
}

function set_external_links()
{
  if (!document.getElementsByTagName) {
    return;
  }
  var anchors = document.getElementsByTagName('a');
  for (var i = 0; i < anchors.length; i++) {
   var anchor = anchors[i];
   if (anchor.getAttribute('href') && anchor.getAttribute('rel') == 'external') {
     anchor.target = "_blank";
   }
  }
}

window.onload = set_external_links;