//Copyright(c) 2002 Randy Budd-Jack. All rights reserved.

function SlideShow(slideShowSpeed, blendDuration, imageFiles, imageName) {
  this.slideShowSpeed = slideShowSpeed*1000;
  this.blendDuration  = blendDuration;
  this.imageName      = imageName;
  this.imageList      = new Array();

  this.currentImage   = 0;
  this.nextSlide      = SlideShow_nextSlide;
	
  var numPictures  = imageFiles.length;
  for (i=0; i<numPictures ;i++){
     this.imageList[i] = new Image();
     this.imageList[i].src = imageFiles[i];
  }
}

function SlideShow_nextSlide(){
   var numPictures  = this.imageList.length;

   if (document.all){
      var blendString = 'blendTrans(duration=blendDuration)';
      eval('document.images.'+this.imageName+'.style.filter=blendString');
      eval('document.images.'+this.imageName+'.filters.blendTrans.Apply()');
   }
   eval('document.images.'+this.imageName+'.src = this.imageList[this.currentImage].src');
   if (document.all){
      eval('document.images.'+this.imageName+'.filters.blendTrans.Play()');
   }
   this.currentImage = this.currentImage + 1;
   if (this.currentImage > (numPictures-1)){
       this.currentImage=0;
   }   
}