// open external links in new window
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.getAttribute("rel") == "external nofollow"
      )
     anchor.target = "_blank";
  }
}
//window.onload = externalLinks;