function OnRequestStart(target, arguments)
{
 if ((arguments.EventTarget.indexOf("Upload") > -1) || (arguments.EventTarget.indexOf("Download") > -1))
    {                    
        arguments.EnableAjax = false;
    }
}
function closeAlert() {
    var url;
    if ($('#alertUrl')) {
        url = $('#alertUrl').val();
        $('#alertUrl').remove();
    }
    if (url != undefined && url !== '' && url.indexOf("#") < 0) {
        window.location = url;
    }
    else {
        $('#alertContainer').dialog("destroy").remove();
    }
}