function randomimage()
		    {
	
					
			var img_array_1 = new Array(	
				"another_panel.JPG",
				"art_show.jpg",
				"authors.JPG",
				"band.JPG",
				"book_signing.jpg",
				"bsg_girls.jpg",
				"burlesque.JPG",
				"cosplayers.JPG",
				"courthouse.JPG"
				);
				
			var img_array_2 = new Array(
				"dancer.jpg",
				"dancers.JPG",
				"dangerous_people.jpg",
				"dealers_room.jpg",
				"dnd.jpg",
				"friendly.JPG",
				"friends.JPG",
				"guitarist.JPG",
				"awkward_elevator.gif",
				"con_suite.jpg"
				);
				
			var img_array_3 = new Array(
				"hug.JPG",
				"jefi.JPG",
				"laptop.JPG",
				"lobby.jpg",
				"mario.JPG",
				"more_costumers.JPG",
				"oratory.JPG",
				"panel.JPG",
				"courthouse.JPG"
				);
				
			var img_array_4 = new Array(
				"pirates.jpg",
				"sammich.jpg",
				"sara_with_friend.jpg",
				"shaun.JPG",
				"shopping.JPG",
				"skit.JPG",
				"skyline.JPG",
				"staff.JPG",
				"wtf.JPG",
				"zombies.jpg"
				);
	
	
			var array_1_max = img_array_1.length;
			var array_2_max = img_array_2.length;
			var array_3_max = img_array_3.length;
			var array_4_max = img_array_4.length;
			
			var random_image_1 = Math.floor(array_1_max*Math.random());
			var random_image_2 = Math.floor(array_2_max*Math.random());
			var random_image_3 = Math.floor(array_3_max*Math.random());
			var random_image_4 = Math.floor(array_4_max*Math.random());
	
			document.getElementById("randomimage_1").src = "images/con_pics/" + img_array_1[random_image_1];
			document.getElementById("randomimage_2").src = "images/con_pics/" + img_array_2[random_image_2];
			document.getElementById("randomimage_3").src = "images/con_pics/" + img_array_3[random_image_3];
			document.getElementById("randomimage_4").src = "images/con_pics/" + img_array_4[random_image_4];
	
		 	}