/*

  $Id: $



  osCommerce, Open Source E-Commerce Solutions

  http://www.oscommerce.com



  Copyright (c) 2007 osCommerce



  This program is free software; you can redistribute it and/or modify

  it under the terms of the GNU General Public License v2 (1991)

  as published by the Free Software Foundation.

*/



function refreshVariants() {

  var price = null;

  var availability = null;

  var model = null;



  for (c in combos) {

    id = null;



    variants_loop:

    for (group_id in combos[c]['values']) {

      for (value_id in combos[c]['values'][group_id]) {

        if (document.getElementById('variants_' + group_id) != undefined) {

          if (document.getElementById('variants_' + group_id).type == 'select-one') {

            if (value_id == document.getElementById('variants_' + group_id).value) {

              id = c;

            } else {

              id = null;



              break variants_loop;

            }

          }

        } else if (document.getElementById('variants_' + group_id + '_1') != undefined) {

          j = 0;



          while (true) {

            j++;


            var obj = document.getElementById('variants_' + group_id + '_' + j);
            if (obj.type == 'radio') {

              if (obj.checked) {

                if (value_id == obj.value) {

                  id = c;

                } else {

                  id = null;



                  break variants_loop;

                }

              }

            }



            if (document.getElementById('variants_' + group_id + '_' + (j+1)) == undefined) {

              break;

            }

          }

        }

      }

    }



    if (id != null) {

      break;

    }

  }



  if (id != null) {

    price = combos[id]['price'];

    availability = productInfoAvailability;

    model = combos[id]['model'];

  } else {

    price = originalPrice;

    availability = productInfoNotAvailable;

    model = '';

  }



  document.getElementById('productInfoPrice').innerHTML = price;



  var availabilityElement = document.getElementById('productInfoAvailability');

  if( availabilityElement != null ) {

    availabilityElement.innerHTML = availability;

  }


  var model = document.getElementById('productInfoModel');

  if( model != null ) {
    model.innerHTML = model;
  }
}