var Pics = new Array();
var Index = 0;

function LoadImages()
{
  Pics[0] = new Image();
  Pics[0].src = "images/idea1.jpg";
  Pics[1] = new Image();
  Pics[1].src = "images/idea2.jpg";
  Pics[2] = new Image();
  Pics[2].src = "images/idea3.jpg";
  Pics[3] = new Image();
  Pics[3].src = "images/idea4.jpg";
  Pics[4] = new Image();
  Pics[4].src = "images/idea5.jpg";
  Pics[5] = new Image();
  Pics[5].src = "images/idea6.jpg";

  document.images.changer.src = Pics[0].src;
}

function ChangePic()
{
  Index ++
  if (Index > 5) {
    Index = 0;
  }
  document.images.changer.src = Pics[Index].src;
}