$this->_gid = $gid = CRM_Utils_Request::retrieve('gid', 'Positive', $this, FALSE);
$this->_mergeId = CRM_Utils_Request::retrieve('mergeId', 'Positive', $this, FALSE);
$this->limit = CRM_Utils_Request::retrieve('limit', 'Positive', $this, FALSE);
$this->_gid = $gid = CRM_Utils_Request::retrieve('gid', 'Positive', $this, FALSE);
$this->_mergeId = CRM_Utils_Request::retrieve('mergeId', 'Positive', $this, FALSE);
$this->limit = CRM_Utils_Request::retrieve('limit', 'Positive', $this, FALSE);