/* $Id: check_required_fields_js.js,v 1.3.2.3 2006/12/25 11:23:19 max Exp $ */

/*
        Check required fields
*/
function checkRequired(lFields, id) {
// Checkout One :: www.alteredcart.com //
        if ((!lFields || lFields.length == 0) && typeof(checkoutOneActive) != 'undefined') {
                if (!paymentNeeded)
                        return true;

                if (paymentid)
                        lFields = requiredFieldsArray[paymentid];
        }
// End Checkout One //
        if (!lFields || lFields.length == 0)
                return true;

        if (id) {
                for (var x = 0; x < lFields.length; x++) {
                        if (lFields[x][0] == id) {
                                lFields = [lFields[x]];
                                break;
                        }
                }
        }

        for (var x = 0; x < lFields.length; x++) {
                if (!lFields[x] || !document.getElementById(lFields[x][0]))
                        continue;

                var obj = _getById(lFields[x][0]);
                if ((obj.type == 'text' || obj.type == 'password' || obj.type == 'textarea') && !obj.value.search(/^[\s]*$/gi)) {
                        if (lbl_required_field_is_empty != '') {
                                alert(substitute(lbl_required_field_is_empty, 'field', lFields[x][1]));
                        } else {
                                alert(lFields[x][1]);
                        }

                        if (!obj.disabled && obj.type != 'hidden') {
                                checkRequiredShow(obj);
                                obj.focus();
                        }

                        return false;

                }
        }

        return true;
}

/*
        Show hidden element and element's parents
*/
function checkRequiredShow(elm) {
        if (elm.style && elm.style.display == 'none') {

                if (elm.id == 'ship_box' && document.getElementById('ship2diff')) {
                        /* Exception for Register page */
                        document.getElementById('ship2diff').checked = true;
                        document.getElementById('ship2diff').onclick();

                } else
                        elm.style.display = '';
        }

        if (elm.parentNode)
                checkRequiredShow(elm.parentNode);

}