// New-Window Links in a Standards-Compliant World
// http://www.sitepoint.com/article/1041/3
function externalLinks()
{
  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 = externalLinks;