function addToCart(divName)
{
    var productsLayer = document.getElementById(divName);
    var controls = productsLayer.getElementsByTagName('INPUT');
    var products = '';
    for (i = 0; i < controls.length; i++)
    {
        if (controls[i].type == 'checkbox' && controls[i].checked)
        {
            products += controls[i].value;
            products += ',';
        }
    }
    
    products = products.slice(0, -1);
    
    if (products.length > 0)
    {
        document.location.href = '/addCart.aspx?prdID=' + products;
    }
}