CMS-CSE/core/submit/cms.document.php

<?php

if (core::ifPost("from") AND core::getPost("from") == "document") {

    if(core::getPost("id") == "add"){
        if(document::add() == TRUE) {
            $location = "/document-". document::lastAdd() .".html";
        } else {
            $location = "/documents.html";
        }
    } else {
        document::update();
        $location = "/document-". core::getPost("id") .".html";
    }

    header("Location: " . $location);
    exit();
} else {
    header('HTTP/1.0 401 Unauthorized');
    exit();
}