how to update and set published

function updateDocument($id=0, $update=array(), $where='')
	
	{
		
		$where = (($id != 0) ? "`id`='$id'" : "") . (($id != 0 && $where != '') ? " OR " : "") . $where;
		if(! $upd = $this->db->update($update, $this->getFullTableName('site_content'), $where) )
			$this->logError('updateDocument', $this->db->getLastError(), time());
		
		return $upd;
	}

function updateDocument($id, $tvs) {
        foreach ($tvs as $k => $v)
            $this->CakeModx->setTV($k, $id, $v);
    }