gistfile1.js

//Nicole Buck
//Prog 109 Project 3



var bet = 0;
var credits = 100;
var count = 0;
var slotImages = new Array("lemon.png", "plum.png", "bell.png", "diamond.png", "clover.jpg");


function BetChange() {

    totCredits = credits;

    if (bet < 20) {
        bet += 5;
        credits -= 5;
        document.getElementById("totalAmount").innerHTML = " $" + bet;
        document.getElementById("credits").innerHTML = "$" + credits;
    }
    else if (bet >= 20) {
        document.getElementById("minBet").disabled;
        document.getElementById("maxBet").disabled;
    }
    document.getElementById("winnings").src = "nocoin.jpg";
    document.getElementById("start").disabled = false;

    if (credits < 5) {
        bet = credits;
        credits -= totCredits;

    }

    if (credits == 0) {
        GameOver();
    }
}

function MaxChange() {
    totalCredits = credits;

    if (count < 1 && bet != 20) {
        bet = 20;
        credits -= 20;
        count += 1;
    }
    if (credits < 20) {
        bet = credits;
        credits -= totalCredits;
    }

    if (count == 1) {
        document.getElementById("maxBet").disabled;
        document.getElementById("minBet").disabled;
    }

    if (credits == 0) {
        GameOver();
    }

    document.getElementById("winnings").src = "nocoin.jpg";
    document.getElementById("totalAmount").innerHTML = " $" + bet;
    document.getElementById("credits").innerHTML = "$" + credits;
    document.getElementById("start").disabled = false;


}

function Roll() {

    imageIndex1 = Math.floor(Math.random() * 5);
    imageIndex2 = Math.floor(Math.random() * 5);
    imageIndex3 = Math.floor(Math.random() * 5);
    document.getElementById("firstPic").src = slotImages[imageIndex1];
    document.getElementById("secondPic").src = slotImages[imageIndex2];
    document.getElementById("thirdPic").src = slotImages[imageIndex3];
    Payout();
    document.getElementById("start").disabled = true;

}


function Payout() {

    count = 0;
    var first = document.getElementById("firstPic");
    var second = document.getElementById("secondPic");
    var third = document.getElementById("thirdPic");

    if (first.src == second.src && second.src == third.src) {
        credits += 30;
        document.getElementById("credits").innerHTML = "$" + credits;
        document.getElementById("winnings").src = "coins.jpg";
    }

    else if (first.src == second.src || second.src == third.src) {

        credits += 10;
        document.getElementById("credits").innerHTML = "$" + credits;
        document.getElementById("winnings").src = "smcoin.jpg";
    }

    else if (first.src == third.src) {

        credits += 10;
        document.getElementById("credits").innerHTML = "$" + credits;
        document.getElementById("winnings").src = "smcoin.jpg";
    }

    bet = 0;
}

function GameOver() {
    document.getElementById("maxBet").disabled;
    document.getElementById("minBet").disabled;

}