//=======================================================================
// over_picture.js
// 
// Universal version.
//
// Copyright (c) 1999-2000 Miloslav Ponkrac.
// <ponkrac@peregrius.cz>
//
// $Id: over_picture.js,v 1.6 2000/05/15 09:39:33 ponkrac Exp $
//=======================================================================

var module_over_picture = true;

var op_temp_variable = null;
var op_capability = false;
var op_after_init = false;

function op_init()
{
  var browser_name = navigator.appName;
  var browser_version = parseInt(navigator.appVersion);

  op_capability = 
    (browser_name.indexOf("Netscape")>=0 && browser_version>=3) ||
    (browser_name.indexOf("Internet Explorer")>=0 && browser_version>=4);
    op_after_init = true;
}

function op_is_capability()
{
  if (!op_after_init)
    op_init();
  return op_capability;  
}

function op_register (id_name, normal_01, normal_02, normal_03, normal_04, normal_05, normal_06, normal_07, normal_08, normal_09, normal_10, normal_11, normal_12, normal_13, normal_14, normal_15, normal_16, normal_17)
{
  if (!op_after_init)
    op_init();

  if (op_capability)
  {
    if (normal_02 == null)   normal_02 = normal_01;
    if (normal_03 == null)   normal_03 = normal_02;
    if (normal_04 == null)   normal_04 = normal_03;
    if (normal_05 == null)   normal_05 = normal_04;
	if (normal_06 == null)   normal_06 = normal_05;
	if (normal_07 == null)   normal_07 = normal_06;
	if (normal_08 == null)   normal_08 = normal_07;
	if (normal_09 == null)   normal_09 = normal_08;
	if (normal_10 == null)   normal_10 = normal_09;
	if (normal_11 == null)   normal_11 = normal_10;
	if (normal_12 == null)   normal_12 = normal_11;
	if (normal_13 == null)   normal_13 = normal_12;
	if (normal_14 == null)   normal_14 = normal_13;
	if (normal_15 == null)   normal_15 = normal_14;
	if (normal_16 == null)   normal_16 = normal_15;
	if (normal_17 == null)   normal_17 = normal_16;
	
    op_temp_variable = new Array
      (id_name, true, new Image(), new Image(), new Image(), new Image(), new Image(), new Image(), new Image(), new Image(), new Image(), new Image(), new Image(), new Image(), new Image(), new Image(), new Image(), new Image(), new Image());
    op_temp_variable[2].src = normal_01;
    op_temp_variable[3].src = normal_02;
    op_temp_variable[4].src = normal_03;
    op_temp_variable[5].src = normal_04;
    op_temp_variable[6].src = normal_05;
    op_temp_variable[7].src = normal_06;
    op_temp_variable[8].src = normal_07;
    op_temp_variable[9].src = normal_08;
    op_temp_variable[10].src = normal_09;
    op_temp_variable[11].src = normal_10;
    op_temp_variable[12].src = normal_11;
    op_temp_variable[13].src = normal_12;
    op_temp_variable[14].src = normal_13;
    op_temp_variable[15].src = normal_14;
    op_temp_variable[16].src = normal_15;
    op_temp_variable[17].src = normal_16;
	op_temp_variable[18].src = normal_17;
    eval ("op_item_" + id_name + " = op_temp_variable");
  }
}

function op_set_uni (id_name, id_value)
{
  var id_pic = (parseInt(document.getElementById(id_value).value) + 2);
  if (op_capability)
  {
    var reg_item = eval ("op_item_"+id_name);
    if (reg_item[1])
      document[id_name].src = reg_item[id_pic].src;
  }
}

function op_lock (id_name)
{
  if (op_capability)
    eval("op_item_"+id_name)[1] = false;
}

function op_unlock (id_name)
{
  if (op_capability)
    eval("op_item_"+id_name)[1] = true;
}