////////////////////////////////////////////////////////////////////////////////////
//
//  Original:  D. Keith Higgs (dkh2@po.cwru.edu) 
//
//  <img name="ChangingPhoto" ...
//  gale ar vonLoad: startPix(); 
//
////////////////////////////////////////////////////////////////////////////////////

var timeDelay=5000;
var FilterDuration=4;

var Pix = new Array(
  "Grafika/im11.gif",
  "Grafika/im12.gif",
  "Grafika/im13.gif",
  "Grafika/im14.gif",
  "Grafika/im15.gif",
  "Grafika/im16.gif",
  "Grafika/im17.gif",
  "Grafika/im18.gif"
 );

var howMany=Pix.length;
var PicCurrentNum = 0;

var PicCurrent = new Image();
PicCurrent.src=Pix[PicCurrentNum];

///////////////

var t;
var j=0;

////////////////

function startPix(n) 
{
  if ( n<howMany ) howMany=n;

  if ( document.all )
    setInterval("transslideshow()",timeDelay);
  else
    setInterval("slideshow()",timeDelay);
}

function slideshow() 
{
  PicCurrent.src=Pix[PicCurrentNum];
  document["ChangingPhoto1"].src=PicCurrent.src;

  PicCurrent.src=Pix[PicCurrentNum+1];
  document["ChangingPhoto2"].src=PicCurrent.src;

  PicCurrentNum++;

  if ( PicCurrentNum==howMany-1 ) 
  {
    PicCurrentNum=0;
  }
}

function transslideshow() 
{
  if ( document.all || document.getElementById ) 
  {
    document.images.ChangingPhoto1.style.filter="blendTrans(duration=FilterDuration)";  
    document.images.ChangingPhoto1.filters.blendTrans.Apply();

    document.images.ChangingPhoto2.style.filter="blendTrans(duration=FilterDuration)";  
    document.images.ChangingPhoto2.filters.blendTrans.Apply();

//    document.images.ChangingPhoto1.style.filter="revealtrans(duration=FilterDuration, transition=12)";
//    document.images.ChangingPhoto1.filters.revealtrans.Apply();
//    document.images.ChangingPhoto2.style.filter="revealtrans(duration=FilterDuration, transition=12)";
//    document.images.ChangingPhoto2.filters.revealtrans.Apply();
  }

  PicCurrent.src=Pix[j];
  document.images.ChangingPhoto1.src=PicCurrent.src;

  if ( document.all || document.getElementById ) 
  {
    document.images.ChangingPhoto1.filters.blendTrans.Play();
//    document.images.ChangingPhoto1.filters.revealtrans.Play();
  }

  PicCurrent.src=Pix[j+1];
  document.images.ChangingPhoto2.src=PicCurrent.src;

  if ( document.all || document.getElementById ) 
  {
    document.images.ChangingPhoto2.filters.blendTrans.Play();
//    document.images.ChangingPhoto2.filters.revealtrans.Play();
  }

  j=j+1;
  if ( j>=(howMany-1) ) j=0;
}