// TARGETS BLANK IN XHTML STRICT
function relTags() {
if (document.getElementsByTagName) {
   var anchors = document.getElementsByTagName( "a" );
   for (var loop = 0; loop < anchors.length; loop++) {
      var anchor = anchors[loop];
         if (anchor.getAttribute("href") && anchor.getAttribute("rel") == "external") {
            anchor.target = "_blank";
         }
      }
   }
}

// ON LOAD
window.onload = function() {
   relTags();
}