Untitled

<html>
<head>
    <title> Blackjack </title>
    <style type="text/css"></style>
    <script type="text/javascript">
var playerIndex = new Array();
var playerHand = new Array();
var playerHandSuit = new Array();
var dealerHand = new Array();
var dealerHandSuit = new Array();
var playerHandValueHard = 0;
var playerHandValueSoft = 0;
var dealerHandValueHard = 0;
var dealerHandValueSoft =0;
var playerCardNumber = 0;
var playerNumber = 0;
var numberOfPlayers = 1;
var stillin = true;
var winner = 0;

function gameStart()
{
    playerNumber = 0;
    playerStart();
    document.getElementById("Controls").innerHTML = "<input type = 'button' value = 'hit' onclick = 'playerHit()'/> <input type = 'button' value = 'stick' onclick = 'stick()'/>";
}

function playerStart()
{
    var c=0;
    while(c<2)
    {
        playerHit();
        c = c+1;
    }
}

function dealer()
{
    victoryCheck();
    while(dealerHandValueHard < 16 )
    {
        dealerHit();
    }
    victoryCheck();
}

function victoryCheck()
{
    var x;
    var c = 0;
    var i;
    var whoWon = new Array();
    var whoTied = new Array();
    for(i in playerIndex)
    {
        x = playerIndex[i];
        if(x[5])
        {
            c = 1;
        }
    }
    if (c === 0)
    {
        alert("Dealer wins.");
    }
    var k = 0;
    var kc = 0;

    for(i in playerIndex)
    {
        x = playerIndex[i];
        if( (x[4] > dealerHandValueHard && x[4] > dealerHandValueSoft) || (x[5] > dealerHandValueHard && x[5] > dealerHandValueSoft) )
        {
            whoWon[k] = i;
            k = k+1;
        }
        else if ( (x[5] >= dealerHandValueHard && x[5] == dealerHandValueSoft) || (x[5] >= dealerHandValueHard && x[5] == dealerHandValueSoft) )
        {
            whoTied[kc] = i;
            kc = kc +1;
        }
    }
    for (i in whoWon)
    {
        alert("Player " + (whoWon[i]+1) + "wins!");
    }
    for (i in whoTied)
    {
        alert("Player " + (whoTied[i]+1) + "wins!");
    }
}

function stick()
{
    playerIndex[playerNumber] = [playerHand, playerHandSuit, playerCardNumber, playerHandValueHard, playerHandValueSoft, stillin, winner];
    playerNumber = playerNumber + 1;
    if(playerNumber >= numberOfPlayers)
    {
        dealer();
    }
    else
    {
        playerHandValueHard = 0;
        playerHandValueSoft = 0;
        playerCardNumber = 0;
        playerHand = new Array();
        playerHandSuit = new Array();
        playerStart();
    }
}

function dealerHit()
{
    playerCardNumber = playerCardNumber + 1;
    var suit = randSuit();
    var card = randomCard();
    dealerHand[playerCardNumber] = card[0];
    dealerHandSuit[playerCardNumber] = suit;
    dealerHandValueHard = playerHandValueHard + card[1];
    dealerHandValueSoft = playerHandValueSoft + card[2];
}

function playerHit()
{
    playerCardNumber = playerCardNumber + 1;
    var suit = randSuit();
    var card = randomCard();
    playerHand[playerCardNumber] = card[0];
    playerHandSuit[playerCardNumber] = suit;
    playerHandValueHard = playerHandValueHard + card[1];
    playerHandValueSoft = playerHandValueSoft + card[2];
    stillin = bustCheck(playerHandValueHard,1);
    updateHand();
    if(stillin)
    {
        stick();
    }
}

function updateHand()
{
    var b;
    var i;
    for (i in playerHand)
    {
        b = b + ' ' + playerHand[i];
    }
    if (playerHandValueHard != playerHandValueSoft)
    {
            document.getElementById("activePlayerHand").innerHTML = "Player Hand <br />" + b + "<br /> Play Hand value" + playerHandValueHard + "/" + playerHandValueSoft;
    }
    else
    {
            document.getElementById("activePlayerHand").innerHTML = "Player Hand <br />" + b + "<br /> Play Hand value" + playerHandValueHard;
    }
}

function bustCheck(x, p)
{
    if(x>21)
    {
        if(p == 1)
        {
            alert("Over twenty-one!");
        }
        else
        {
            alert("Everybody wins!");
        }
        return false;
    }
    else
    {
        return true;
    }
}

function randSuit()
{
    var suit;
    rand = random(0,3);
    switch(rand){
        case 0:
            suit = "Hearts";
            break;
        case 1:
            suit = "Spades";
            break;
        case 2:
            suit = "Diamonds";
            break;
        case 3:
            suit = "Clubs";
            break;
        default:
            alert("Error!");
    }
    return suit;
}

function randomCard()
{
    var cardArray = new Array();
    var randCard = random(1,13);
    switch(randCard){
        case 1:
            cardArray[0] = "A";
            cardArray[1] = 1;
            cardArray[2] = 11;
            break;
        case 11:
            cardArray[0] = "J";
            cardArray[1] = 10;
            cardArray[2] = 10;
            break;
        case 12:
            cardArray[0] = "Q";
            cardArray[1] = 10;
            cardArray[2] = 10;
            break;
        case 13:
            cardArray[0] = "K";
            cardArray[1] = 10;
            cardArray[2] = 10;
            break;
        default:
            cardArray[0] = randCard;
            cardArray[1] = randCard;
            cardArray[2] = randCard;
    }
    return cardArray;
}

function random(x,y)
{
    return Math.floor(Math.random()* (y-x+1)) + x;
}

    </script>
</head>
<body>
    <div id="Main">
    <p> Welcome to Blackjack. </p>
    <div id="dealerHand"></div>
    <div id="activePlayerHand"> No active players.</div>
    <div id="Controls">
        <input type='button' value='start' onclick='gameStart()'/>
    </div>
    </div>
</body>
</html>