function purchase_cart()
{
window.location="../user/customer_details.php";
}
function purchase_reviewcart()
{
window.location="../user/checkout_cart.php";
}

function purchase_cart_qty()
{
 alert("Quantity Unavailable For Product Marked As ** ");
}


function purchase_cart_minqty()
{
 alert("Order Quantity Less Than Minimum Order Quantity For Product Marked As *** ");
}