var wcon = ['well_construction_1.jpg', 'well_construction_2.jpg', 'well_construction_3.jpg', 'well_construction_4.jpg'];
var wcom = ['well_completion_1.jpg', 'well_completion_2.jpg', 'well_completion_3.jpg', 'well_completion_4.jpg'];
var wint = ['well_intervention_1.jpg', 'well_intervention_2.jpg', 'well_intervention_3.jpg', 'well_intervention_4.jpg'];
var otac = ['other_activities_1.jpg', 'other_activities_2.jpg', 'other_activities_3.jpg', 'other_activities_4.jpg'];

var lotteryNumber_hd = Math.floor(Math.random()*3);
	(function($){
		$.randomImage = {
		defaults: {
		path: '/images/', //change this to the path of your images
		myImages: []	
		}	
	}

	$.fn.extend({
	randomImage:function(config) {
	var config = $.extend({}, $.randomImage.defaults, config); 
	return this.each(function() {
	var imageNames = config.myImages;
	var winnerImage = imageNames[lotteryNumber_hd];
	var fullPath = config.path + winnerImage;
			$(this).attr( {
				src: fullPath
			});
			$(this).show();	
			});	
		}
	});
})(jQuery);
	
$(document).ready(function() {
	$('#wcon1').randomImage({path: '/images/', myImages: wcon});	
	$('#wcom1').randomImage({path: '/images/', myImages: wcom});	
	$('#wint1').randomImage({path: '/images/', myImages: wint});	
	$('#otac1').randomImage({path: '/images/', myImages: otac});		
	$('a:first').click(function() {
		location.reload();
		return false;
	});
});