/**
  * Set sub tabs
  */
 function setSettingsSubTabs($a_active)
 {
     global $ilTabs, $ilCtrl, $lng;
     if (in_array($a_active, array("general_settings", "style", "taxonomy"))) {
         // general properties
         $ilTabs->addSubTab("general_settings", $lng->txt("settings"), $ilCtrl->getLinkTarget($this, 'properties'));
         // style properties
         $ilTabs->addSubTab("style", $lng->txt("obj_sty"), $ilCtrl->getLinkTarget($this, 'editStyleProperties'));
         // taxonomy
         include_once "./Services/Taxonomy/classes/class.ilObjTaxonomy.php";
         ilObjTaxonomy::loadLanguageModule();
         $ilTabs->addSubTab("taxonomy", $lng->txt("tax_taxonomy"), $ilCtrl->getLinkTargetByClass("ilobjtaxonomygui", ''));
         $ilTabs->activateSubTab($a_active);
     }
 }