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

/*
 * Name: Ad Delay v0.1 
 * License:  GNUv2 (www.gnu.org/licenses/gpl-2.0.txt)
 * Auther: Brian Gardner <getsnappy@ymail.com>
 * Usage:
 *
 * adDelay.swapOut(arg1, arg2)
 *     arg1 - the id of the placeholder div (in our example, skypePlaceholder)
 *     arg2 - the id of the dummy div (in our example, skypeDummy) 
 *
 */
var adDelay = {
  swapOut: function(placeholderId,dummyId) {
    var dummy = document.getElementById(dummyId);
    var placeholder = document.getElementById(placeholderId);
    if (!dummy) {
      alert("element with id " + dummyId + " does not exist");
    }
    if (!placeholder) {
      alert("element with id " + placeholderId + " does not exist");
    }

    /* loop through dummy nodes removing any JS nodes, preventing double execution */
    for (index = dummy.childNodes.length - 1; index >= 0; index--)
    {
      var element = dummy.childNodes[index];
      if ((element.nodeName == 'SCRIPT') || (element.nodeName == 'NOSCRIPT'))
              dummy.removeChild(element);
    }

    dummy.parentNode.removeChild(dummy);
    placeholder.parentNode.replaceChild(dummy, placeholder);
    dummy.style.display = 'block';
  }
};