/**
  * makeTimestamp()
  *
  * @access public
  * @param  string $sDate
  * @param  string $sTarget
  * @param  string $iMove
  * @return mixed           integer | boolean
  */
 function makeTimestamp($sDate, $sTarget = '', $iMove = 0)
 {
     $aryDate = BlockenCommon::_parseDate($sDate);
     if (!$aryDate) {
         return false;
     }
     if ('' != $sTarget && isset($aryDate[$sTarget])) {
         $aryDate[$sTarget] += $iMove;
     }
     $iTimestamp = mktime($aryDate['hour'], $aryDate['minute'], $aryDate['second'], $aryDate['month'], $aryDate['day'], $aryDate['year']);
     return $iTimestamp;
 }