function openWindow (URL, size) 
{ 
  window.open (URL, "", "toolbar=no,location=no,status=yes,menubar=no,scrollbars=auto,resizable=yes," + size);
}

function toggle (targetId)
{
  if (document.getElementById)
  {
    target = document.getElementById (targetId);
    if (target.style.display == "none")
    {
      target.style.display = "";
    } 
    else 
    {
      target.style.display = "none";
    }
  }
}

function writeLine (theText)
{
  if (document.getElementById)
  {
    document.write (theText);
  }
}

function swapImgRestore () 
{
  var i, x, a = document.sr; 
  for (i = 0; a && i < a.length && (x = a[i]) && x.oSrc; i++)
  {
    x.src = x.oSrc;
  }
}

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 && d.getElementById)
  {
    x = d.getElementById (n);
  }
  return x;
}

function swapImage () 
{
  var i, j = 0, x, a = swapImage.arguments;
  document.sr = new Array;
  for (i = 0; i < (a.length - 2); i += 3)
  {
    if ((x = findObj (a[i])) != null)
    {
      document.sr[j++] = x;
    }
    if (!x.oSrc)
    {
      x.oSrc = x.src;
    }
    x.src = a[i+2];
  }
}