Example:

See background
<!-- ONE STEP TO INSTALL BG SCROLLER:

  1.  Copy the coding into the BODY of your HTML document  -->

<!-- STEP ONE: Paste this code into the BODY of your HTML document  -->

<body background="pic.gif">

<!-- Original:  Roy Sinclair (roysinclair@email.msn.com) -->

<!-- This script and many more are available free online at -->
<!-- The JavaScript Source!! http://javascript.internet.com -->

<script language="JavaScript">
<!-- Begin
var backgroundOffset = 0;
var bgObject = eval('document.body');
function scrollBG(maxSize) {
backgroundOffset = backgroundOffset + 1;
if (backgroundOffset > maxSize) backgroundOffset = 0;
bgObject.style.backgroundPosition = "0 " + backgroundOffset;
}
var ScrollTimer = window.setInterval("scrollBG(307)", 64);
// End -->
</script>



<!-- Script Size:  0.72 KB -->