var myImages = new Array(
"images/01.jpg",
"images/02.jpg",
"images/03.jpg",
"images/04.jpg",
"images/05.jpg",
"images/06.jpg",
"images/07.jpg",
"images/08.jpg"
);
var thisPic = 0;
var lastPic = (myImages.length-1); 
function processNext()
  {
    if (document.images)
    {
      if (thisPic==lastPic) 
      {
        thisPic=0; 
      }
      else
      {
        thisPic++;
      }
      document.Image.src=myImages[thisPic];
    }
  }