/**
* The deleteZone method checks if a zone exists and deletes
* the zone or returns an error message, as appropriate.
*
* @access public
*
* @param string $sessionId
* @param integer $zoneId
*
* @return boolean
*/
function deleteZone($sessionId, $zoneId)
{
if ($this->verifySession($sessionId)) {
return $this->_validateResult($this->_dllZone->delete($zoneId));
} else {
return false;
}
}
