// <script>

// Copyright (C) 2005 Ilya S. Lyubinskiy. All rights reserved.
// Technical support: http://www.php-development.ru/
//
// YOU MAY NOT
// (1) Remove or modify this copyright notice.
// (2) Distribute this code, any part or any modified version of it.
//     Instead, you can link to the homepage of this code:
//     http://www.php-development.ru/javascripts/tabview.php.
//
// YOU MAY
// (1) Use this code on your website.
// (2) Use this code as a part of another product.
//
// NO WARRANTY
// This code is provided "as is" without warranty of any kind, either
// expressed or implied, including, but not limited to, the implied warranties
// of merchantability and fitness for a particular purpose. You expressly
// acknowledge and agree that use of this code is at your own risk.


// If you find my script useful, you can support my site in the following ways:
// 1. Vote for the script at HotScripts.com (you can do it on my site)
// 2. Link to the homepage of this script or to the homepage of my site:
//    http://www.php-development.ru/javascripts/tabview.php
//    http://www.php-development.ru/
//    You will get 50% commission on all orders made by your referrals.
//    More information can be found here:
//    http://www.php-development.ru/affiliates.php


// ----- Auxiliary -------------------------------------------------------------

function tabview_aux(TabViewId, id)
{
  var TabView = document.getElementById(TabViewId);

  // ----- Tabs -----

  var Tabs = TabView.firstChild;
  while (Tabs.className != "Tabs" ) Tabs = Tabs.nextSibling;

  var Tab = Tabs.firstChild;
  var i   = 0;

  do
  {
    if (Tab.tagName == "A")
    {
      i++;
      Tab.href      = "javascript:tabview_switch('"+TabViewId+"', "+i+");";
      Tab.className = (i == id) ? "Active" : "";
      Tab.blur();
    }
  }
  while (Tab = Tab.nextSibling);

  // ----- Pages -----

  var Pages = TabView.firstChild;
  while (Pages.className != 'Pages') Pages = Pages.nextSibling;

  var Page = Pages.firstChild;
  var i    = 0;

  do
  {
    if (Page.className == 'Page')
    {
      i++;
      if (Pages.offsetHeight) Page.style.height = (Pages.offsetHeight-2)+"px";
      Page.style.overflow = "auto";
      Page.style.display  = (i == id) ? 'block' : 'none';
    }
  }
  while (Page = Page.nextSibling);
}

// ----- Functions -------------------------------------------------------------

function tabview_switch(TabViewId, id) { tabview_aux(TabViewId, id); }

function tabview_initialize(TabViewId) { tabview_aux(TabViewId,  1); }