function externallinks(evn) {
 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";
 }
 
  evn = evn || window.event;
  var o = evn.target || evn.srcElement;
  var str = "";
  if (o.title!=null && o.title!="")
  {
    str = o.title;
    str = str.replace(/[ ][|][ ]/g, "\n");
    o.title = str;
  }
}
document.onmouseover = externallinks;