Tarot Deck Javascript

var APP = APP || {};
APP.deckURL = "https://gfx.tarot.com/images/site/decks/rider/full_size/"; // xx.jpg
APP.randCard = function () { return Math.floor((Math.random() * 77)) };   // 0 - 77
APP.mkTarotImg = function (id, cardNum) {
	var cardNum = cardNum || APP.randCard();
	var card = document.createElement("img");
	card.id = id;
	card.className = "tarot";
	card.src = APP.deckURL + cardNum + ".jpg";
	card.width = 100;
	card.addEventListener("click", function() {
		this.src = APP.deckURL + APP.randCard() + '.jpg';
	});
    return card;
};

var card1 = APP.mkTarotImg("card1", APP.randCard());
var card2 = APP.mkTarotImg("card2", APP.randCard());
var card3 = APP.mkTarotImg("card3", APP.randCard());
var card4 = APP.mkTarotImg("card4", APP.randCard());	
var card5 = APP.mkTarotImg("card5", APP.randCard())

var deck = document.getElementById("deck");
deck.appendChild(card1);
deck.appendChild(card2);
deck.appendChild(card3);
deck.appendChild(card4);
deck.appendChild(card5);

document.getElementById("stop").addEventListener("click", function() {
	clearInterval(timer1);
	clearInterval(timer2);
	clearInterval(timer3);
	clearInterval(timer4);
	clearInterval(timer5);
});

var timer1 = setInterval( function () {
	document.getElementById("card1").click();
}, 5000);
var timer2 = setInterval( function () {
	document.getElementById("card2").click();
}, 7000);
var timer3 = setInterval( function () {
	document.getElementById("card3").click();
}, 9000);
var timer4 = setInterval( function () {
	document.getElementById("card4").click();
}, 4000);
var timer5 = setInterval( function () {
	document.getElementById("card5").click();
}, 6000);

https://jsfiddle.net/ronincoder/ts9au3n7/2/