function makeRequest(url) {
  var http_request = false;

  if (window.XMLHttpRequest) { 
    http_request = new XMLHttpRequest();
    if (http_request.overrideMimeType) {
      http_request.overrideMimeType('text/xml');
    }
  } else if (window.ActiveXObject) { 
    try {
      http_request = new ActiveXObject("Msxml2.XMLHTTP");
    } catch (e) {
      try {
        http_request = new ActiveXObject("Microsoft.XMLHTTP");
      } catch (e) {}
    }
  }

  if (!http_request) {
    alert('Giving up :( Cannot create an XMLHTTP instance');
    return false;
  }
  http_request.onreadystatechange = function() { alertContents(http_request); };
  http_request.open('GET', url, true);
  http_request.send(null);
}

function alertContents(http_request) {
  if (http_request.readyState == 4) {
    if (http_request.status == 200) {
      var item = http_request.responseText.split("=>");
      if ((item[0])  && (item[1] != "")) {
        document.getElementById(item[0]).innerHTML = item[1];
      }
    } else {
      alert('There was a problem with the request.');
    }
  }
}
function getPortfolioDetails() {
  var ID =  document.getElementById("id").value;
  makeRequest('ajax.php?action=refresh&id=' + ID);
}
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";
  }
  Nifty("div.item h3","top");
  Nifty("div.item1 h3","top");
  Nifty("div.content h2");
}

window.onload = externalLinks;