function createRequest() {
    var request = false;
    /*@cc_on@*/
    /*@if (@_jscript_version >= 5)
    try {
        request = new ActiveXObject("Msxml2.XMLHTTP");
    }
    catch (e) {
        try {
            request = new ActiveXObject("Microsoft.XMLHTTP");
        }
        catch (e2) {
            request = false;
        }
    }
    @end@*/

    if (!request && typeof XMLHttpRequest != "underfined") {
        request = new XMLHttpRequest();
    }
    return request;
}

function callServer(url, reurl,id) {
    var request = createRequest();
    request.open("GET", url, true);
    request.onreadystatechange = function() {
        updatePage(request, reurl,id);
    }
    request.send(null);
}