var currentSnapShot = 1;

function snapshotBack(){
	if(currentSnapShot > 1){
		snapshotSnapTo(currentSnapShot - 1);
	}
}

function snapshotForward(){
	if(currentSnapShot < snapshotCounter){
		snapshotSnapTo(currentSnapShot + 1);
	}
}

function snapshotSnapTo(image){
	if(currentSnapShot != image){
		new Effect.Fade("projectSnapShotPhoto" +currentSnapShot); 
		window.setTimeout('Effect.Appear(\'projectSnapShotPhoto' + image + '\', {duration:.8})',500);
		
		new Effect.Fade("projectSnapShotName" +currentSnapShot); 
		window.setTimeout('Effect.Appear(\'projectSnapShotName' + image + '\', {duration:.8})',500);
		
		$('projectSnapShotLink' + currentSnapShot).removeClassName('active');
		$('projectSnapShotLink' + image).addClassName('active');
		currentSnapShot = image;
	}
}