/**
 * Copyright (c) 2006-2008, Haarsma
 * @author Bouke Haarsma
 */

try {
   Event.observe(window, 'load', function() {
      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.getAttribute("href").toLowerCase().indexOf("pdf") != 1 )) {
            Event.observe(anchor, 'click', (function(event) {
               window.open(this.href);
               Event.stop(event);
            }).bind(anchor));
         }
      }
   });
} catch(e) {
   windowOnloadBeforeExternalLinks=window.onload;

   window.onload=function() {
      if(windowOnloadBeforeExternalLinks) {
         windowOnloadBeforeExternalLinks();
      }

      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.getAttribute("href").toLowerCase().indexOf("pdf") != -1 )) {
            anchor.onclick=function(event) {
               window.open(this.href);
               return false;
            };
         }
      }
   };
}