var delay_promotion = 8000;
var start_frame_promotion = 0;
var end_frame_promotion = 0;
var duration_frame_promotion = 0.2;
var frame_promotion = 0;
var timeOut_promotion = null;
lis_promotion = null;

function init_promotion() {
	lis_promotion = $('slide-images-promotion').getElementsByTagName('li');
	
	for( i=0; i < lis_promotion.length; i++){
		if(i!=0){
			lis_promotion[i].style.display = 'none';
		}
	}
	end_frame_promotion = lis_promotion.length -1;
	
	start_slideshow_promotion(start_frame_promotion, end_frame_promotion, delay_promotion, lis_promotion);
	
	
}



function start_slideshow_promotion(start_frame_promotion, end_frame, delay_promotion, lis_promotion) {
	setTimeout(fadeInOut_promotion(start_frame_promotion,start_frame_promotion,end_frame_promotion, delay_promotion, lis_promotion), delay_promotion);
}


function fadeInOut_promotion(framef, start_frame_promotion, end_frame_promotion, delay_promotion, lis) {
	frame_promotion = framef;
	return (function() {
		lis_promotion = $('slide-images-promotion').getElementsByTagName('li');
		Effect.Fade(lis_promotion[frame_promotion],{ duration: 0.1 });
		if (frame_promotion == end_frame_promotion) { frame_promotion = start_frame_promotion; } else { frame_promotion++; }
		lisAppear_promotion = lis_promotion[frame_promotion];
		setSlidePromotionIndex(frame_promotion);
		setTimeout("Effect.SlideDown(lisAppear_promotion,{ duration:" + duration_frame_promotion + "});", 0);
		timeOut_promotion = setTimeout(fadeInOut_promotion(frame_promotion, start_frame_promotion, end_frame_promotion, delay_promotion), delay_promotion + 1850);
	})
	
}

function timeoutPromotionClear()
{	
	clearTimeout(timeOut_promotion);
}

function getSlideNextPromotion()
{
	timeoutPromotionClear();
	lis_promotion = $('slide-images-promotion').getElementsByTagName('li');
	Effect.Fade(lis_promotion[frame_promotion],{ duration: 0.1 });
	if (frame_promotion == end_frame_promotion) { frame_promotion = start_frame_promotion; } else { frame_promotion++; }
	lisAppear_promotion = lis_promotion[frame_promotion];
	setSlidePromotionIndex(frame_promotion);
	Effect.SlideDown(lisAppear_promotion,{ duration: duration_frame_promotion });
}

function getSlidePrevPromotion()
{
	timeoutPromotionClear();
	lis_promotion = $('slide-images-promotion').getElementsByTagName('li');
	Effect.Fade(lis_promotion[frame_promotion],{ duration: 0.1 });
	if (frame_promotion == start_frame_promotion) { frame_promotion = end_frame_promotion; } else { frame_promotion--; }
	lisAppear_promotion = lis_promotion[frame_promotion];
	setSlidePromotionIndex(frame_promotion);
	Effect.SlideDown(lisAppear_promotion,{ duration: duration_frame_promotion });
}

function setSlidePromotionIndex(index)
{
	
	for(var i = 1 ; i <= 2; i++)
	{
		var divId= 'promo' + i;
	 	$(divId.toString() ).src = 'images/dot1.gif';
	}
	var divId = 'promo' + (index+1)
	$(divId.toString() ).src = 'images/dot2.gif';
}

function pause_promotion()
{
	timeoutPromotionClear();
}

function continue_promotion()
{
	timeOut_promotion = setTimeout(fadeInOut_promotion(frame_promotion,start_frame_promotion,end_frame_promotion, delay_promotion, lis_promotion), delay_promotion);
}