//Default callback handler URL 
var pageUrl = 'http://www.vozcyclecity.com/Utills/callback_handler.php';

var __callbackObject = new Object();
var __nonMSDOMBrowser = (window.navigator.appName.toLowerCase().indexOf('explorer') == -1);

function DoCallback(eventTarget, eventArgument, eventCallback, context, errorCallback)
{
    re = new RegExp("\\x2B", "g");
    if (__nonMSDOMBrowser)
    {
        var xmlRequest = new XMLHttpRequest();
        postData = "__CALLBACKID=" + eventTarget +
                   "&__CALLBACKPARAM=" + escape(eventArgument).replace(re, "%2B");
        if (pageUrl.indexOf("?") != -1)
        {
            xmlRequest.open("GET", pageUrl + "&" + postData, false);
        }
        else
        {
            xmlRequest.open("GET", pageUrl + "?" + postData, false);
        }
        xmlRequest.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
        xmlRequest.send(null);
        response = xmlRequest.responseText;
        if (response.charAt(0) == "s")
        {
            if (eventCallback != null)
            {
                eventCallback(response.substring(1), context);
            }
        }
        else
        {
            if (errorCallback != null)
            {
                errorCallback(response.substring(1), context);
            }
        }
    }
    else
    {
        var xmlRequest = new ActiveXObject("Microsoft.XMLHTTP");
        xmlRequest.onreadystatechange = WebForm_CallbackComplete;
        __callbackObject.xmlRequest = xmlRequest;
        __callbackObject.eventCallback = eventCallback;
        __callbackObject.context = context;
        __callbackObject.errorCallback = errorCallback;
        postData = "__CALLBACKID=" + eventTarget +
                   "&__CALLBACKPARAM=" + escape(eventArgument).replace(re, "%2B");
        usePost = false;
        if (pageUrl.length + postData.length + 1 > 2067)
        {
            usePost = true;
        }
        if (usePost)
        {
            xmlRequest.open("POST", pageUrl, true);
            xmlRequest.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
            xmlRequest.send(postData);
        }
        else
        {
            if (pageUrl.indexOf("?") != -1)
            {
                xmlRequest.open("GET", pageUrl + "&" + postData, true);
            }
            else
            {
                xmlRequest.open("GET", pageUrl + "?" + postData, true);
            }
            xmlRequest.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
            xmlRequest.send();
        }
    }
    //alert(xmlRequest);
}

function WebForm_CallbackComplete()
{
    if (__callbackObject.xmlRequest.readyState == 4)
    {
        response = __callbackObject.xmlRequest.responseText;
        if (response.charAt(0) == "s")
        {
            if (__callbackObject.eventCallback != null)
            {
                __callbackObject.eventCallback(response.substring(1), __callbackObject.context);
            }
        }
        else
        {
            if (__callbackObject.errorCallback != null)
            {
                __callbackObject.errorCallback(response.substring(1), __callbackObject.context);
            }
        }
    }
}