/*** rewrite external links to open in new window ***/
function externalLinks() { 
   if (!document.getElementsByTagName) {
      return; 
  }

   var anchors = document.getElementsByTagName("a"); 
   for (var i=0; i<anchors.length; i=i+1) { 
      var anchor = anchors[i]; 
      if (anchor.getAttribute("href") && anchor.getAttribute("rel") == "external") { 
         anchor.target = "_blank"; 
      }
   } 
} 

/*** initiate javascripts  ***/
function setup() {
   externalLinks();
}
window.onload=setup;