Algorithms/Find maximum/java script method 3

<script language="javascript">

   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>