/**
  * Delete rows that match specific conditions. If $conditions is NULL all rows from table will be deleted
  *
  * @access public
  * @param string $conditions Query conditions
  * @return boolean
  */
 function delete($condition = null)
 {
     if (isset($this) && instance_of($this, 'Comments')) {
         return parent::delete($condition);
     } else {
         return Comments::instance()->delete($condition);
         //$instance =& Comments::instance();
         //return $instance->delete($condition);
     }
     // if
 }
 /**
 * Delete rows that match specific conditions. If $conditions is NULL all rows from table will be deleted
 *
 * @access public
 * @param string $conditions Query conditions
 * @return boolean
 */
 function delete($condition = null) {
   if(isset($this) && instance_of($this, 'ProjectCharts')) {
     return parent::delete($condition);
   } else {
     return ProjectCharts::instance()->delete($condition);
   } // if
 } // delete
 /**
  * Delete rows that match specific conditions. If $conditions is NULL all rows from table will be deleted
  *
  * @access public
  * @param string $conditions Query conditions
  * @return boolean
  */
 function delete($condition = null)
 {
     if (isset($this) && instance_of($this, 'ProjectFileRevisions')) {
         return parent::delete($condition);
     } else {
         return ProjectFileRevisions::instance()->delete($condition);
         //$instance =& ProjectFileRevisions::instance();
         //return $instance->delete($condition);
     }
     // if
 }
 /**
  * Delete rows that match specific conditions. If $conditions is NULL all rows from table will be deleted
  *
  * @access public
  * @param string $conditions Query conditions
  * @return boolean
  */
 function delete($condition = null)
 {
     if (isset($this) && instance_of($this, 'Contacts')) {
         return parent::delete($condition);
     } else {
         return Contacts::instance()->delete($condition);
     }
     // if
 }