var news_stories;
var news_count;
var news_current = -1;
var news_top = -20;
function RotateNews()
{
   var news = document.getElementById('news-banner');
   news_stories = news.getElementsByTagName('div');
   news_count = news_stories.length;
   if ( news_count <= 1 )
      return;
   news.style.display = 'block';
   document.getElementById('content').style.top = '30px';
   for ( var i = 0 ; i < news_count ; i++ ) {
      news_stories[i].id = 'news-banner-'+i;
   }
   NextNewsItem();
}

function NextNewsItem()
{
   news_top = news_top - 1;
   var timeout = 100;
   if ( news_top < -17 ) {
      timeout = 5000;
      if ( news_current !== -1 ) {
         news_stories[news_current].style.display = 'none';
         news_stories[news_current].style.top = '0px';
      }
      news_top = 0;
      news_current = news_current + 1;
      if ( news_current >= news_count )
         news_current = 0;
   }
   //document.title = news_top+'px';
   news_stories[news_current].style.display = 'block';
   news_stories[news_current].style.marginTop = news_top+'px';
   setTimeout('NextNewsItem()',timeout);
}