var k = 0;
function animateScene(){
	k++;
	id = 'scene'+k;
	if(!$_(id))k=0;
	activateScene(k);
}
var kInter;
kInter = window.setInterval('animateScene()', 4000);
function activateScene(nr){
	if(!$_('scene0')){
		window.clearInterval(kInter);
		return;
	}
	prevNr = nr-1;
	if(prevNr < 0){
		prevNr = $('.scenes').length-1;
	}
	prevId = '#scene'+prevNr;
	obId = '#scene'+nr;
	$(prevId).fadeOut(1000);
	$(obId).fadeIn(1000);
}