// Functions that handle swapping and restoring images
// on the web page.
//
// Removed from HTML files to avoid redundancy and potential
// maintenance issues.
//
// Date: 25 March 2010

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

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

function MM_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=MM_findObj(n,d.layers[i].document);
  }
  if(!x && d.getElementById)
  {
    x=d.getElementById(n);
  }
  return x;
}

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