Rollimage = new Array()

Rollimage[0]= new Image(100,126)
Rollimage[0].src = "images/brochure_up.jpg"

Rollimage[1] = new Image(100,126)
Rollimage[1].src = "images/brochure_dwn.jpg"

function SwapOut(){
  document.brochure.src = Rollimage[1].src;
  return true;
}

function SwapBack(){
  document.brochure.src = Rollimage[0].src; 
  return true;
}