var payment_type = get_obj("payment_type");
var check_fields = get_obj("check_fields");
var paypal_fields = get_obj("paypal_fields");
var epassporte_fields = get_obj("epassporte_fields");
var wire_transfer_fields = get_obj("wire_transfer_fields");

var first_name = get_obj("first_name");
var last_name = get_obj("last_name");

var check_name = get_obj("check_name");
var bank_account_name = get_obj("bank_account_name");

var current_mode = 0;
function reset_pi_form(){
    check_fields.style.display = "none";
    paypal_fields.style.display = "none";
    epassporte_fields.style.display = "none";
    wire_transfer_fields.style.display = "none";
}
function switch_pi_form(){
	reset_pi_form();
    current_mode = payment_type.options[payment_type.selectedIndex].value;
    if (current_mode == 1){
        check_fields.style.display = "block";
        check_name.value = first_name.value + " " + last_name.value;
    } else if (current_mode == 2){
        paypal_fields.style.display = "block";
    } else if (current_mode == 3){
        epassporte_fields.style.display = "block";
    } else if (current_mode == 4){
        wire_transfer_fields.style.display = "block";
        bank_account_name.value = first_name.value + " " + last_name.value;
    }
}
function set_name_in_related_fields(){
    if (current_mode == 1){
        check_name.value = first_name.value + " " + last_name.value;
    } else if (current_mode == 4){
        bank_account_name.value = first_name.value + " " + last_name.value;
    }
}
/* initial initialization */
switch_pi_form();