var carouselNum = 4;

function currentCarousel(){
	for (var i=0; i<carouselNum; i++)
	{
		if($('#carousel'+i).css('display')=='block')
		{
			return i;
		}
	}
}

function prevCarousel()
{
	var currentC = currentCarousel();
	if (currentC>0)
	{
		setCurrentCarousel(currentC,currentC-1);
	}
	else
		setCurrentCarousel(currentC,carouselNum-1);
}

function nextCarousel()
{
	var currentC = currentCarousel();
	if (currentC<carouselNum-1)
	{
		setCurrentCarousel(currentC,currentC+1);
	}
	else
		setCurrentCarousel(currentC,0);
}

function setCurrentCarousel(clast,curr)
{
	$('#carousel'+clast).css('display','none');
	$('#carousel'+curr).css('display','block');
	$('#fotoSlideTitle'+clast).css('background-color','#f97db9');
	$('#fotoSlideTitle'+curr).css('background-color','#e51575');
}

function showCarousel(thiscar){
	var currentC = currentCarousel();
	if (currentC!=thiscar)
	{
		setCurrentCarousel(currentC,thiscar);
	}
}