var FMainSlideDuration = 5000;
var aCurrent = 0;
var aNext = 0;
var slideduration = 500;
var periodicalFunctionVar;

var cannon = function() 
{
	aSlideImgs = $$('#imageslider div.slide');

	aCurrent--;
	aNext--;

	if (aCurrent == -1) aCurrent = aSlideImgs.length - 1;
	if (aNext == -1) aNext = aSlideImgs.length - 1;
	
	var aCrossFade = new Fx.Tween(aSlideImgs[aNext]);
    aCrossFade.start('opacity', 1).chain(function() {
        aSlideImgs[aCurrent].set('tween', {duration: slideduration});
    	aSlideImgs[aCurrent].tween('opacity', 0);
    });
}

window.addEvent('domready', function() 
{
  aSlideImgs = $$('#imageslider div.slide');
  aSlideImgs.setStyle('opacity', 0);
  TotalNumSlides = aSlideImgs.length;

  if(TotalNumSlides > 1)
  {
	   cannon(FMainSlideDuration);
	   
	   aCurrent = aSlideImgs.length;
	   aNext = aSlideImgs.length - 1;
	   
	   periodicalFunctionVar = cannon.periodical(FMainSlideDuration);
  }
});