$(document).ready(function() {
	var container;
	var quotes = new Array();
	var index = 0;

	quotes[0] = 'Most office visits are only $79!';
	quotes[1] = 'SMART CARE Discount Plan only $39/month!';
	quotes[2] = 'PROVO Open M-F 1pm - 9pm and Sat 9am - 6pm ';
        quotes[3] = 'Murray and Provo open for New Patients!';
            
	container = $('#advertisement span');

	$(container).text(quotes[index]);
	
	setInterval(changeAd, 4000);
    
   function changeAd(){
		container.fadeOut(function(){
			container.text(quotes[index]).fadeIn();
		});
      
		if(index == quotes.length - 1){
			index = 0;
		} else {
			index++;
		}
	}
});