function transform(delay) {
	$(window).everyTime(delay, 'loop', function() {
		nextArticle(false);
	}, times = numberOfArticles*3, belay = true);
};

function showArticle() {
	$('.number'+currentShown).show();	
	$('.link'+currentShown).addClass('highlight');
	for(i=1; i <= numberOfArticles; i++) {		
		if(currentShown != i){
			$('.number'+i).hide();
		}
	};
}

function showThisArticle(article) {
	$(window).stopTime('loop');
	if(currentShown != article && !isInMotion) {
		isInMotion = true;
		$('.number'+currentShown).fadeOut(700, function(){
			$('.link'+currentShown).removeClass('highlight');
			currentShown = article;
			fadeInArticle();
		});		
	}
}

function previousArticle() {
	$(window).stopTime('loop');
	if(!isInMotion) {
		isInMotion = true;
		$('.number'+currentShown).fadeOut(700, function(){
			$('.link'+currentShown).removeClass('highlight');
			currentShown -= 1;	
			if (currentShown < 1) {
				currentShown = numberOfArticles;
			}
			fadeInArticle();
		});		
	}
}

function nextArticle(userClick) {
	if(userClick) $(window).stopTime('loop');
	if(!isInMotion) {
		isInMotion = true;
		$('.number'+currentShown).fadeOut(700, function(){
			$('.link'+currentShown).removeClass('highlight');
			currentShown += 1;	
			if(currentShown > numberOfArticles){
				currentShown = 1;
			}
			fadeInArticle();
		});		
	}
}

function fadeInArticle() {
	$('.link'+currentShown).addClass('highlight');
	$('.number'+currentShown).fadeIn(700, function() {
		isInMotion = false;
	});
	sifr_replace();
}