/*Check current unit*/
 if (isset($_GET['package_ID']) && $currentContent) {
     if ($currentUser->coreAccess['content'] == 'hidden') {
         eF_redirect(basename($_SERVER['PHP_SELF']) . "?ctg=control_panel&message=" . urlencode(_UNAUTHORIZEDACCESS) . "&message_type=failure");
     }
     try {
         //Needed at commit and initialize
         $_SESSION['package_ID'] = $_GET['package_ID'];
         //
         //Set organization_ID and objectives_global_to_system
         $organization = eF_getTableData("scorm_sequencing_content_to_organization", "*", "content_ID = '" . $_GET['package_ID'] . "'");
         $_SESSION['organization_ID'] = $organization[0]['organization_ID'];
         //Initialize SCORM information
         $actProgInfo = eF_getTableData("scorm_sequencing_global_state_information", "*", "lessons_ID = '" . $_SESSION['s_lessons_ID'] . "' AND organization_content_ID = '" . $_SESSION['package_ID'] . "' AND users_LOGIN = '******'s_login'] . "'");
         if (empty($actProgInfo)) {
             EfrontContentTreeSCORM::initialize();
         }
         //Cut the tree
         $scoBranch = array();
         $scoBranch[$_GET['package_ID']] = $currentContent->tree->offsetGet($_GET['package_ID']);
         //SCORM Object
         $scoContent = new EfrontContentTreeSCORM($scoBranch);
         if (!isset($_GET['navigation'])) {
             //Attempt a resumeAll navigation request
             $navigation = new navigation('resumeAll', $scoContent->flatTree[$_GET['target']]);
             $navigation = $scoContent->overall_sequencing_process($navigation, true, true);
             if ($navigation->delivery_request['content_ID'] != '' && $navigation->deliverable) {
                 $navigation = new navigation('resumeAll');
             } else {
                 //A new attempt will begin on the Activity Tree. Therefore a new set of tracking data is required.
                 foreach ($scoContent->flatTree as $key2 => $value2) {