public function getContextScript()
 {
     if ($this->_contextScript === null) {
         $ContextScripts = new Default_Model_ContextScripts();
         $ContextScripts->filter->id->equals($this->getContextScriptID());
         if ($ContextScripts->count() > 0) {
             $this->_contextScript = $ContextScripts->items[0];
         }
     }
     return $this->_contextScript;
 }