function scr(xpos) {
  el = document.getElementById('ticker').style;
  el.left = xpos + 'px';
  if (xpos < -550)
    window.setTimeout("scr(700)", 15);
  else
    window.setTimeout("scr("+(xpos-1)+")", 15);
}

function start() {
  document.getElementById('ticker').style.pixelLeft = 200;
  window.setTimeout("scr(200)", 100);
}