function InOut( elem )
{
 elem.delay()
     .fadeIn()
     .delay(10000)
     .fadeOut(
               function(){
                   if(elem.next().length > 0)
                   {InOut( elem.next() );}
                   else
                   {InOut( elem.siblings(':first'));}
                         
                 }
             );
}

$(function(){
$('#TweetFooter li').hide();
InOut( $('#TweetFooter li:first') );

});