function preloadImages()
{
    for (i=0; i<52; i++)
    {
        var c = "" + i;
        if (c.length==1)
            c = "0" + c;
        var url = "images/" + c + ".gif";
           
        var image1 = new Image();
        image1.src = url;
    }
}

function openGame()
{
    var prop = "height=650,width=850,status=no,toolbar=no,menubar=no,resizeable=no,scrollbars=no";
    var url = "http://www.card-counting-blackjack.com/GameInit.aspx"
    window.open(url, "Game", prop);          
}
        
// ********* ********* ********* ********* *********
// * events
// ********* ********* ********* ********* *********
function GameOnLoad()
{
    var objCheckbox = document.getElementById("chkStrategy");
    CheckboxClick(objCheckbox);
    
    objCheckbox = document.getElementById("chkCountMethod");
    CheckboxClick(objCheckbox);
}

function CheckboxClick(objCheckbox)
{
    var objDiv = null;
    if (objCheckbox.id == "chkStrategy")
        objDiv = document.getElementById("DivStrategy");
    if (objCheckbox.id == "chkCountMethod")
        objDiv = document.getElementById("DivCountMethod");
    
    if (objCheckbox.checked)
        objDiv.style.display = "block";
    else
        objDiv.style.display = "none";
}

// ********* ********* ********* ********* *********
// * misc
// ********* ********* ********* ********* *********
function ToggleDiv(id)
{
    var div = document.getElementById(id);
    if (div.style.display == "none")
        div.style.display = "block";
    else
        div.style.display = "none";
}

function ShowDiv(id)
{
    var div = document.getElementById(id);
    div.style.display = "block";
}

function HideDiv(id)
{
    var div = document.getElementById(id);
    div.style.display = "none";
}