var headline_count;
 var headline_interval;
 var old_headline = 0;
 var current_headline = 0;
 
 $(document).ready(function(){
   headline_count = $("div.headline").size();
   $("div.headline:eq("+current_headline+")").css('left', '0');
   	 clearInterval(headline_interval);
	 headline_interval = setInterval(headline_rotate,5000);
});
 
 function headline_rotate() {
   current_headline = (old_headline + 1) % headline_count; 
   $("div.headline:eq(" + old_headline + ")").animate({left: -200},"slow", function() {
     $(this).css('left','200px');
   });
   $("div.headline:eq(" + current_headline + ")").show().animate({left: 0},"slow");  
   old_headline = current_headline;
 }