/* javascript onmouseover iframe horizontal scrollby */
var timer_id; /*global var*/
function scroll_iframe(frm,inc,dir) { /*iframe, scrollby, direction (h,v)*/
  if (timer_id) clearTimeout(timer_id);
  if (window.frames[frm]) {
    if (dir == 'v') window.frames[frm].scrollBy(0, inc);
    else window.frames[frm].scrollBy(inc, 0);
    timer_id = setTimeout("scroll_iframe('" + frm + "'," + inc + ",'" + dir + "')", 20);
  }
}
function scroll_iframe_stop() {
    if (timer_id) clearTimeout(timer_id);
}