function animateSlides()
{
	var homepageSlides = document.getElementById("slideshow");
	var currClass = homepageSlides.className;
	
	
	var currSlideNum = currClass.substring(5,6);
	var nextSlideNum = "slide" + (((currSlideNum * 1) % 5) + 1);
	
	//changeSlide(nextSlideNum);  uncomment to set to old functionality.
	
	new Effect.Appear(homepageSlides, {duration:.5, from:1, to:0, afterFinish:function(){changeSlide(nextSlideNum);}});	//new fade out/in function added  - 
}

function changeSlide(slideClass)
{	
	var homepageFeatures = document.getElementById("slideshow");
	
	homepageFeatures.className = "";
	homepageFeatures.className = slideClass;
	
	new Effect.Appear(homepageFeatures, {duration:.5, from:0, to:1.0});

}

function initSlideNav()
{
	var slideTimer = new PeriodicalExecuter(animateSlides, 7);	//Number represents delay between picture changes.
}