Example:
.
JavaScript:
<script language="JavaScript1.2">
<!--
var scroll_delay_ms_mb = 25; // delay of each scroll in milliseconds
var scroll_distance_px_mb = 1; // distance of each scroll in pixels
var layer_bm1 = document.layers["marqueeB"];
var imageWidth =455;
var ns = (document.layers) ? 1 : 0;
if (ns) {
layer_bm1.left = -imageWidth;
marqueeB();}
function marqueeB(){
if(layer_bm1.left < 0) layer_bm1.left += scroll_distance_px_mb;
else layer_bm1.left = -imageWidth;
timerID_mb = setTimeout(marqueeB, scroll_delay_ms_mb);}
// Top border Marquee script for Messenger.
// Dec/20/1999 Ver 3.0 for plugin.
// NTMM-JV: Joji & rene --></script>
Note: Script will be changed if you choose right to left scrolling.