var XMLHttpRequstObject = false ;

if (window.XMLHttpRequest){
    XMLHttpRequestObject = new XMLHttpRequest();
}
else if(window.ActiveXObject){
    XMLHttpRequestObject = new ActiveXObject("Microsoft.XMLHTTP");
}

function getData(dataSource, divID){
    if(XMLHttpRequestObject){
        var obj = document.getElementById(divID);
        XMLHttpRequestObject.open("GET", dataSource);
        XMLHttpRequestObject.onreadystatechange = function()
        {
            if( (XMLHttpRequestObject.readyState == 4) && (XMLHttpRequestObject.status == 200) ){
                obj.innerHTML = XMLHttpRequestObject.responseText;
            }
        }
    XMLHttpRequestObject.send(null);
    }
}