var cookie_name = 'submitCheck';
 
$('form#mG61Hd').submit(function(){
    //Disable button
    $('input[type=submit]', this).attr('disabled', 'disabled');
    $(div.freebirdFormviewerViewItemList, this).css('display', 'none');
    $(div.freebirdFormviewerViewNavigationButtonsAndProgress, this).css('display', 'none');
    $(div.freebirdFormviewerViewHeaderRequiredLegend, this).css('display', 'none');
    //Set cookie
    $.cookie(cookie_name, "submitted");     
});
 
if ($.cookie(cookie_name) == "submitted") {  
    $("form").addClass("submitted");
}