var isIE8 = window.XDomainRequest ? true : false;
var invocation = createCrossDomainRequest();
var url = 'http://www.phobos7.co.uk/research/xss/simple.php';        

function createCrossDomainRequest(url, handler)
{
    var request;
    if (isIE8)
    {
        request = new window.XDomainRequest();
    }
    else
    {
        request = new XMLHttpRequest();
    }
    return request;
}

function callOtherDomain()
{
    if (invocation)
    {
        if(isIE8)
        {
            invocation.onload = outputResult;
            invocation.open("GET", url, true);
            invocation.send();
        }
        else
        {
            invocation.open('GET', url, true);
            invocation.onreadystatechange = handler;
            invocation.send();
        }
    }
    else
    {
        var text = "No Invocation TookPlace At All";
        var textNode = document.createTextNode(text);
        var textDiv = document.getElementById("textDiv");
        textDiv.appendChild(textNode);
    }
}

function handler(evtXHR)
{
    if (invocation.readyState == 4)
    {
        if (invocation.status == 200)
        {
            outputResult();
        }
        else
        {
            alert("Invocation Errors Occured");
        }
    }
}

function outputResult()
{
    var response = invocation.responseText;
    var textDiv = document.getElementById("textDiv");
    textDiv.innerHTML += response;
}