/******************************************************
 *  Indexmenu.js - v. 1.00                           *
 *  by Co Wilders                                     *
 *  Copyright (c) 2000 Fim@x                          *
 *  http://www.fimax.nl                               *
 *                                                    *
 ******************************************************/

var layerRef = '';
var styleRef = '';

if (navigator.appName == "Netscape") {
  layerRef = ".getElementById";
  styleRef = ".style";
}

else //must be IE
  {
  layerRef = ".all";
  styleRef = ".style";
}

if (document.layers) { //for old Netscape browsers
  layerRef = ".layers";
  styleRef = "";
}

function Shownone() {
  eval('document' + layerRef + '("menu1")' + styleRef + '.visibility = "hidden"');
  eval('document' + layerRef + '("menu2")' + styleRef + '.visibility = "hidden"');
  eval('document' + layerRef + '("menu3")' + styleRef + '.visibility = "hidden"');
}

function Showmenu1() {
  eval('document' + layerRef + '("menu2")' + styleRef + '.visibility = "hidden"');
  eval('document' + layerRef + '("menu3")' + styleRef + '.visibility = "hidden"');
  eval('document' + layerRef + '("menu1")' + styleRef + '.visibility = "visible"');
}

function Showmenu2() {
  eval('document' + layerRef + '("menu1")' + styleRef + '.visibility = "hidden"');
  eval('document' + layerRef + '("menu3")' + styleRef + '.visibility = "hidden"');
  eval('document' + layerRef + '("menu2")' + styleRef + '.visibility = "visible"');
}

function Showmenu3() {
  eval('document' + layerRef + '("menu1")' + styleRef + '.visibility = "hidden"');
  eval('document' + layerRef + '("menu2")' + styleRef + '.visibility = "hidden"');
  eval('document' + layerRef + '("menu3")' + styleRef + '.visibility = "visible"');
}