BindContent('Content/Home.htm');

var req;
var which;

function BindContent(url) {

    if (window.XMLHttpRequest) { // Non-IE browsers

      req = new XMLHttpRequest();

      req.onreadystatechange = processStateChange;

      try {

        req.open("GET", url, true);

      } catch (e) {

        alert(e);

      }

      req.send(null);

    } else if (window.ActiveXObject) { // IE

      req = new ActiveXObject("Microsoft.XMLHTTP");

      if (req) {

        req.onreadystatechange = processStateChange;

        req.open("GET", url, true);

        req.send();

      }

    }

  }

function processStateChange() {

    if (req.readyState == 4) { // Complete

      if (req.status == 200) { // OK response

        document.getElementById("contentholder").innerHTML = req.responseText;

      } else {

        alert("Problem: " + req.statusText);

      }

    }

  }