var scrollCount = 0;
var slideIntervall = 5; //seconds
var slideDuration = 0.4;

function ml() {
	// $('bcSlide').style.display = 'none';
	$('bigScrollBox').style.display = 'block';
	if (scrollCount <= 1) {
		scrollCount = numScrollItems;
		$('bigScrollBox').style.left = '-' + (widthScrollItem * (numScrollItems-1)) + 'px';
	} else {
		scrollCount--;
		new Effect.MoveBy('bigScrollBox', 0, widthScrollItem,{duration: slideDuration,transition: Effect.Transitions.sinoidal,queue: 'end'});
	}
}

function mr() {
	// $('bcSlide').style.display = 'none';
	$('bigScrollBox').style.display = 'block';
	if (scrollCount >= (numScrollItems-1)) {
		scrollCount = 0;
		$('bigScrollBox').style.left = '0';
	} else {
		scrollCount++;
		new Effect.MoveBy('bigScrollBox', 0, (widthScrollItem * (-1)),{duration: slideDuration,fps: 25,transition: Effect.Transitions.sinoidal,queue: 'end'});
	}
}

var stopPE;
function clickArrow() {
	stopPE = 1;
}

new PeriodicalExecuter(function(pe) {
	if (stopPE == 1) pe.stop();
	else {
		mr();
	}
}, slideIntervall);