function user_delete()
{
    if (g("crud") == "d") {
        $sql = "DELETE FROM users WHERE user_id = " . g("user_id");
        $query = mysql_query($sql);
        remove_get_var_of_adress_bar();
    }
}
function submit_buttons_remove_get_var()
{
    if (isset($_POST["cancel"]) || isset($_POST["user_update"])) {
        remove_get_var_of_adress_bar();
    } else {
        if (isset($_POST["logout"])) {
            session_destroy();
            remove_get_var_of_adress_bar();
        }
    }
}