/*
$Id: check_quantity.js,v 1.4.2.1 2010/03/10 12:47:26 aim Exp $
vim: set ts=2 sw=2 sts=2 et:
*/

// 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;
}

function check_quantity_bulk(id) {

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

  var qty = parseInt(inp.value, 10);

  if (isNaN(qty)) {
    inp.value = '0';
  } else {
    inp.value = qty;
  }

  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));
      inp.value='0';
      return false;
    }

    if (q < inp.minQuantity && q != 0) {
      alert(substitute(lbl_product_minquantity_error, "min", inp.minQuantity));
      inp.value='0';
      return false;
    }

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

  return true;
}