function show_cc()
{
    
                      $.ajax({   
    url: "cc.php?z=1",   
    cache: false,   
    success: function(data){ 

        var popup_box = document.getElementById('change_conf');
        var top = get_scrollTop() + 200;
    popup_box.innerHTML = data;
    popup_box.style.left = 300; 
    popup_box.style.top = top;
    set_visibility('change_conf', 1);
    

         }   
});
    return;
}