$(document).ready(function () {
    updateControl();
    window.setInterval(updateControl, 60000);
});

function updateControl() {

    var $divEnabled = $('.chat-enabled');
    var $divDisabled = $('.chat-disabled');


    $.getJSON('/IsChatOnline.aspx', function (response) {

        var showEnabled = response.online;
        //'http://www.websitealive10.com/1523/status.asp?action=deptstatus&groupid=1523&departmentid=1694'

        if (showEnabled) {
            // $divEnabled.show();
            $divEnabled.css({ "display": "inline" });

            $divDisabled.hide();
        }
        else {
            $divEnabled.hide();

            // $divDisabled.show();
            $divDisabled.css({ "display": "inline" });
        }
    });

}