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.href && anchor.rel == "external") {
     anchor.target = "_blank";
   }
 }
}
window.onload = externalLinks;

function buildemail(p,a) {
document.write("<a href='&#109;a&#105;l&#116;o:"+ p +"&#064;"+ a +"'>"+ p +"&#064;"+ a +"</a>");
}