private function createSimpleElement($name, $type)
    {
        $el = $this->dom->createElement($this->xmlSchemaPreffix.':element');
        $el->setAttribute('name', $name);
        if (preg_match('/:/', $type)) {
            $el->setAttribute('type', $type);
        } else {
            $el->setAttribute('type', $this->xmlSchemaPreffix.':'.$type);
        }
        
        return $el;
    }