var bStop=false;
var bannerNum = 0;
var bannerTimer = 0;

function RotateBanners(){
  if (bStop==false){
    bannerNum = bannerNum+1;
    if (bannerNum >= bannerImg.length){
      bannerNum = 0;
    }
    document.banner.src = bannerImg[bannerNum];
    bannerTimer = setTimeout("RotateBanners()",bannerTimeout[bannerNum]);
  }
}

function PlayFunction(){
  bStop=false;
  RotateBanners();
}

function PauseFunction(){
  bStop=true;
}

function StopFunction(){
  bStop=true;
  bannerNum=0;
  document.banner.src = bannerImg[bannerNum];
}

function MoveLastFunction(){
  bStop=true;
  bannerNum=bannerImg.length-1;
  document.banner.src = bannerImg[bannerNum];
}

function MovePreviousFunction(){
  bStop=true;
  bannerNum=bannerNum-1;
  if(bannerNum<0){
    bannerNum=0;
  }
  document.banner.src = bannerImg[bannerNum];
}

function MoveNextFunction(){
  bStop=true;
  bannerNum=bannerNum+1;
  if (bannerNum >= bannerImg.length){
    bannerNum = bannerImg.length-1;
  }
  document.banner.src = bannerImg[bannerNum];
}