Auto scrolling paging segment

function bannerAutoScroll(){
  try{
    kony.timer.schedule("paychargeTimer", changeBanner, 5, true);
  }catch(err){
    dialogue("Error "+err);
  }
}

var banner_count = 0;

function changeBanner(){
  try{

    banner_count+=1;
    if(banner_count > 2){
      banner_count = 0;
      frmDashBoard.segBanner.selectedRowIndex = [0,banner_count];
    }else{
     
      frmDashBoard.segBanner.selectedRowIndex = [0,banner_count];
    }

  }catch(err){
    dialogue("Error "+err);
  }
}