Algorithms/Find maximum/jscript 3

<script language="jscript">

  function findMax(i_intAryTab,i_start,i_end) {
   if ( (i_end - i_start) == 1  ) {
      if ( i_intAryTab[i_end] > i_intAryTab[i_start] ) {
          return i_intAryTab[i_end];
      } else {
          return i_intAryTab[i_start];
      } // end if          
   } // end if
   var intJ = (((i_end - i_start)+1)/2) - 1;   
   var oMaxN = findMax(i_intAryTab,i_start,i_start+intJ);
   var oMaxM = findMax(i_intAryTab,i_start+intJ+1,i_end);
   if ( oMaxN > oMaxM ) {
      return oMaxN;
   } else {
      return oMaxM;
   } // end if
  } // end method
  function findMaxHandler(i_intAry) {
     return findMax(i_intAry,0,i_intAry.length - 1);
  } // end method
  var cc= new Array(3,6,1,9,1,1,1,12);
  var ii = findMaxHandler(cc);
  document.write(ii); 
</script>