(function($){  
	$(document).ready(function() {
		var numSlides = $('.engagement img').size();
		var time = 6000;   // 6 seconds
		var fade = 500; 	// 0.5 seconds
		
		//hide all but the first image and content
		$('.engagement img').css({
			  'position': 'absolute',
			  'top': '28px',
			  'left': '0'						 
		}).hide().eq(0).show().addClass('active'); 
		
		//set interval that calls function every so many seconds [time variable]
		window.setInterval(switchSlide, time);

		function switchSlide() { 
			var currIndex = $('.engagement img').index($('.active'));
			var nextIndex;
			if ( currIndex < numSlides-1 ) {
				nextIndex = currIndex + 1;
			} else {
				nextIndex = 0;	
			}
		
			$('.engagement img:eq(' + currIndex + ')').fadeOut(fade).removeClass('active');
			$('.engagement img:eq(' + nextIndex + ')').fadeIn(fade).addClass('active');
				
		}
		   								   
							   
	});  
})(jQuery);