include.js

function printed() {

    var chosen = $("#printeddropdown").val();
    switch (chosen) {
        case "Parent-UK":
            $("object.eStore_button_object input[name='price_tmp1']").val(20);
            $("object.eStore_button_object input[name='product_name_tmp1']").val("Printed Edition for Parents - UK - 4 Issues");
            $("object.eStore_button_object input[name='item_number']").val(16);
            $("object.eStore_button_object input[name='currency_code']").val("GBP");
            break;
        case "Parent-Euro":
            $("object.eStore_button_object input[name='price_tmp1']").val(30);
            $("object.eStore_button_object input[name='product_name_tmp1']").val("Printed Edition for Parents - Europe - 4 Issues");
            $("object.eStore_button_object input[name='item_number']").val(16);
            $("object.eStore_button_object input[name='currency_code']").val("EUR");
            break;

etc etc