/**
* Save item
*/
function saveItem()
{
$sktr = new ilSkillTemplateReference();
$sktr->setTitle($_POST["title"]);
$sktr->setSkillTemplateId($_POST["skill_template_id"]);
$sktr->setSelfEvaluation($_POST["selectable"]);
$sktr->setOrderNr($_POST["order_nr"]);
$sktr->setStatus($_POST["status"]);
$sktr->create();
ilSkillTreeNode::putInTree($sktr, (int) $_GET["obj_id"], IL_LAST_NODE);
$this->node_object = $sktr;
}