function preloadImages()
{
  var d=document;
  if(d.images)
  { 
    if(!d.p) d.p=new Array();
    var i,j=d.p.length,a=preloadImages.arguments;
    for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0)
    {
      d.p[j]=new Image;
      d.p[j++].src=a[i];
    }
  }
}

function findObj(n, d)
{
  var p,i,x;
  if(!d) d=document;
  if((p=n.indexOf("?"))>0&&parent.frames.length)
  {
    d=parent.frames[n.substring(p+1)].document;
    n=n.substring(0,p);
  }
  if(!(x=d[n])&&d.all) x=d.all[n];
  for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=findObj(n,d.layers[i].document);
  if(!x && document.getElementById) x=document.getElementById(n);
  return x;
}

function nbGroup(event, grpName)
{
  var i,img,nbArr,args=nbGroup.arguments;
  if (event == "init" && args.length > 2)
  {
    if ((img = findObj(args[2])) != null && !img.init)
    {
      img.init = true;
      img.up = args[3];
      img.dn = img.src;
      if ((nbArr = document[grpName]) == null) nbArr = document[grpName] = new Array();
      nbArr[nbArr.length] = img;
      for (i=4; i < args.length-1; i+=2) if ((img = findObj(args[i])) != null)
      {
        if (!img.up) img.up = img.src;
        img.src = img.dn = args[i+1];
        nbArr[nbArr.length] = img;
      }
    }
  }
  else if (event == "over")
  {
    document.nbOver = nbArr = new Array();
    for (i=1; i < args.length-1; i+=3) if ((img = findObj(args[i])) != null)
    {
      if (!img.up) img.up = img.src;
      img.src = (img.dn && args[i+2]) ? args[i+2] : args[i+1];
      nbArr[nbArr.length] = img;
    }
  }
  else if (event == "out" )
  {
    for (i=0; i < document.nbOver.length; i++)
    {
      img = document.nbOver[i];
      img.src = (img.dn) ? img.dn : img.up;
    }
  }
  else if (event == "down")
  {
    if ((nbArr = document[grpName]) != null)
    for (i=0; i < nbArr.length; i++)
    {
      img=nbArr[i];
      img.src = img.up;
      img.dn = 0;
    }
    document[grpName] = nbArr = new Array();
    for (i=2; i < args.length-1; i+=2) if ((img = findObj(args[i])) != null)
    {
      if (!img.up) img.up = img.src;
      img.src = img.dn = args[i+1];
      nbArr[nbArr.length] = img;
    }
  }
}