function setForm(item)
    {     
    document.getElementById('qAction').value='update';
    document.getElementById('qTarget').value=item;
    }
function updateCart()
    {    
    document.cart.submit();
    }
function showMore(item)
    {
    document.getElementById(item).style.display='block';
    }
function showCheckout()
    {
    document.getElementById('checkout').style.display='block';
    }
function closeMore(item)
    {
    document.getElementById(item).style.display='none';
    }
function closeCheckout()
    {
    document.getElementById('checkout').style.display='none';
    }
function verifyCheckout()
    {
    var firstname = document.getElementById('firstname');
    var lastname = document.getElementById('lastname');
    var email = document.getElementById('email');
    var phone = document.getElementById('phone');
    if(firstname.value == "" || lastname.value == "" || email.value == "" || phone.value == "")
        {
        alert("ERROR : One or more required fields are missing.");
        }
    else
        {
        document.checkout.submit();
        }
    }