(function($){

	$.randomImage = {
		defaults: {

			//you can change these defaults to your own preferences.
			path: '_media/img/', //change this to the path of your images
			myImages: ['home_page_hero_01.jpg', 'home_page_hero_02.jpg', 'home_page_hero_03.jpg', 'home_page_hero_04.jpg', 'home_page_hero_05.jpg' ] //put image names in this bracket. ex: 'harold.jpg', 'maude.jpg', 'etc'

		}
	}

	$.fn.extend({
			randomImage:function(config) {

				var config = $.extend({}, $.randomImage.defaults, config);

				 return this.each(function() {

						var imageNames = config.myImages;

						//get size of array, randomize a number from this
						// use this number as the array index

						var imageNamesSize = imageNames.length;

						var lotteryNumber = Math.floor(Math.random()*imageNamesSize);

						var winnerImage = imageNames[lotteryNumber];

						var fullPath = config.path + winnerImage;


						//put this image into DOM at class of randomImage
						// alt tag will be image filename.
						$(this).attr( {
										src: fullPath,
										alt: winnerImage
									});


				});
			}

	});



})(jQuery);