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 		  var i =0; 
		  var images = ['http://d6449bb3dc657045bfc9-290115cc0d6de62a29c33db202ae565c.r80.cf1.rackcdn.com/1214/mm-luxury-bg-img2-1600x544.jpg',
		  'http://placehold.it/350x150','http://placehold.it/350x150'];
		  var image = $('.main-message-wrap');
		                //Initial Background image setup
		  image.css('background-image', 'url(image1.png)');
		                //Change image at regular intervals
		  setInterval(function(){   
			     image.css('background-image', 'url(' + images [i++] +')');
			   
		   if(i == images.length)
		    	i = 0;
		  }, 5000);