// select box
    function GetXmlHttpObject(handler)
    {
        var objXMLHttp=null
        if (window.XMLHttpRequest)
        {
            objXMLHttp=new XMLHttpRequest()
        }
        else if (window.ActiveXObject)
        {
            objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP")
        }
        return objXMLHttp
    }

    function stateChanged()
    {
        if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
        {
                document.getElementById("txtResult").innerHTML= xmlHttp.responseText;
        }
        else {
                //alert(xmlHttp.status);
        }
    }

    // Will populate data based on input
    function htmlData(url, qStr)
    {
        if (url.length==0)
        {
            document.getElementById("txtResult").innerHTML="";
            return;
        }
        xmlHttp=GetXmlHttpObject()
        if (xmlHttp==null)
        {
            alert ("Browser does not support HTTP Request");
            return;
        }

        url=url+"?"+qStr;
        url=url+"&sid="+Math.random();
        xmlHttp.onreadystatechange=stateChanged;
        xmlHttp.open("GET",url,true) ;
        xmlHttp.send(null);
    }