(function($){
	$.randomImage = {
		defaults: {
			path: '/images/home/',
			myImages: ['manCane.jpg', 'womanPurple.jpg', 'manBoy.jpg', 'manWoman.jpg']
		}			
	}
	$.fn.extend({
			randomImage:function(config) {
				var config = $.extend({}, $.randomImage.defaults, config); 
				 return this.each(function() {
						var imageNames = config.myImages;
						var imageNamesSize = imageNames.length;
						var lotteryNumber = Math.floor(Math.random()*imageNamesSize);
						var winnerImage = imageNames[lotteryNumber];
						var fullPath = config.path + winnerImage;
						$(this).attr( {
										src: fullPath,
										alt: winnerImage
									});		
				});	
			}
	});
})(jQuery);