/**
  * [Describe function...]
  *
  * @param	[type]		$iStart: ...
  * @param	[type]		$aData: ...
  * @param	[type]		$bCycle: ...
  * @param	[type]		$bKey: ...
  * @return	[type]		...
  */
 function _getPrevInArray($iStart, $aData, $bCycle = FALSE, $bKey = FALSE)
 {
     return tx_ameosformidable::__getNeighbourInArray($iStart, $aData, $bCycle, -1, $bKey);
 }