$(document).ready(function(){
	$('#mid_content .subtitle'); // change div name if needed, make sure you change every occurence
	setInterval(function(){
		$('#mid_content .subtitle').filter(':visible').fadeOut(1000,function(){
			if($(this).next('div.subtitle').size()){
				$(this).next().fadeIn(1000);
			}
			else{
				$('#mid_content .subtitle').eq(0).fadeIn(1000);
			}
		});
	},5000); // this number determines how long you want the text to display for	
});