<!--

document.pics = new Array();
document.currentlayer = new String();

function picture(img, on, off)
{
  this.name = new String(img);
  this.imgon = new Image;
  this.imgon.src = on;
  this.imgoff = new Image;
  this.imgoff.src = off;
}

function add_image()
{ 
  var pics = document.pics;

  for(var i=0 ; i<add_image.arguments.length; i+=4)
  {
    pics[add_image.arguments[i]] = new picture(add_image.arguments[i+1], add_image.arguments[i+2], add_image.arguments[i+3]);
  }
}

function set_image(img, src)
{
  document.images[img].src = src;
}

function show_layer(layer)
{
  document.getElementById(layer).style.visibility = 'visible';
}

function hide_layer(layer)
{
  document.getElementById(layer).style.visibility = 'hidden';
}

function set_current_button(layer)
{
  var pics = document.pics;
  document.images[pics[layer].name].src = pics[layer].imgoff.src = pics[layer].imgon.src;  
  document.currentlayer = layer;
  show_layer(layer);
}

function show(layer)
{
  if(layer == document.currentlayer)
    return;

  var pics = document.pics;
  set_image(pics[layer].name, pics[layer].imgon.src)
  show_layer(layer);
  hide_layer(document.currentlayer);
}

function hide(layer)
{
  if(layer == document.currentlayer)
    return;

  var pics = document.pics;
  set_image(pics[layer].name, pics[layer].imgoff.src)
  hide_layer(layer);
  show_layer(document.currentlayer);
}

function popup(url)
{
  window.open(url, '', 'toolbar=no,status=no,width=730,height=500');
}
function changeCheckedBox(checkbox){
	document.getElementById(checkbox).checked = '';	
}

//-->