/* vim: set ts=2 sw=2 sts=2 et: */
/**
 * Quantity checking script
 * 
 * @category   X-Cart
 * @package    X-Cart
 * @subpackage JS Library
 * @author     Ruslan R. Fazlyev <rrf@x-cart.com> 
 * @version    $Id: check_quantity.js,v 1.2 2010/05/27 13:43:06 igoryan Exp $
 * @link       http://www.x-cart.com/
 * @see        ____file_see____
 */

// Check quantity input box
function check_quantity(id, featured) {

  var inp = document.getElementById('product_avail_' + id + featured);
  if (!inp)
    return true;

  if (isNaN(inp.minQuantity))
    inp.minQuantity = products_data[id].min_quantity;

  if (isNaN(inp.maxQuantity))
    inp.maxQuantity = products_data[id].quantity;

  if (!isNaN(inp.minQuantity) && !isNaN(inp.maxQuantity)) {
    var q = parseInt(inp.value);
    if (isNaN(q)) {
      alert(substitute(lbl_product_quantity_type_error, "min", inp.minQuantity, "max", inp.maxQuantity));
      return false;
    }

    if (q < inp.minQuantity) {
      alert(substitute(lbl_product_minquantity_error, "min", inp.minQuantity));
      return false;
    }

    if (q > inp.maxQuantity && is_limit) {
      alert(substitute(lbl_product_maxquantity_error, "max", inp.maxQuantity));
      return false;
    }
  }

  return true;
}