// JavaScript Document

////*****************************************************
    var http_request = false;

    function callServer(url) {
        http_request = false;
        if (window.XMLHttpRequest) { // Mozilla, Safari,...
            http_request = new XMLHttpRequest();
            if (http_request.overrideMimeType) {
                http_request.overrideMimeType('text/xml');
            }
        } else if (window.ActiveXObject) { // IE
            try {
                http_request = new ActiveXObject("Msxml2.XMLHTTP");
            } catch (e) {
                try {
                    http_request = new ActiveXObject("Microsoft.XMLHTTP");
                } catch (e) {}
            }
        }
        if (!http_request) {
            alert('Cannot make connection!');
            return false;
        }
        http_request.onreadystatechange = notify;
        http_request.open('GET', url, true);
        http_request.send(null);
    }

    function notify() {
        if (http_request.readyState == 4) {
            if (http_request.status != 200) {
                alert('There was a problem with the request.');
            }
        }
    }

////*************************************************************