function main_top_newsScroll()
{
  main_top_news.style.pixelLeft=(main_top_news.style.pixelLeft-1)%main_top_nbo.offsetWidth;
}
timer1=setInterval('main_top_newsScroll()',20)

function stop()
{
clearInterval(timer1)
}

function start()
{
timer1=setInterval('main_top_newsScroll()',20) 
}