var scrollCounter = 0;
var scrollText    = "You are now at the virtual centre or the Earth         Longitude 0°";
var scrollDelay   = 70;
var i = 0;
while (i ++ < 140)
  scrollText = " " + scrollText;
  function Scroller() {
    window.status = scrollText.substring(scrollCounter++,scrollText.length);
    if (scrollCounter == scrollText.length)
       scrollCounter = 0;
    setTimeout("Scroller()", scrollDelay);
  }
  Scroller();