// Allows the use of target=_blank in XHTML and HTML 4.0
// by simply adding rel="external" after the link  Example:
// <a href="http://www.mcafee.com/" rel="external">
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;