function addShirt( shirtID, shirtName, shirtSize, shirtCost )
{
    var theURL = 'addcart.php?id=' + shirtID + '&name=' + shirtName + '&size=' + shirtSize + '&cost=' + shirtCost;
    new Ajax.Updater(
    'cartcount',
    theURL,
    {method: 'get', parameters: ""}
    );
}

function emptyCart()
{
    var theURL = 'emptycart.php';
    new Ajax.Updater(
    'cartcount',
    theURL,
    {method: 'get', parameters: ""}
    );
}

function imgSwap( main, image )
{
    $(main).src = image;
}