var intervalChannels = setInterval("showChannels()",3000);
$(document).ready(function(){
	$('.channels img').first().show();
	addChannelsId();
});

function addChannelsId() {
	$('.channels img').each(function(index){
		var nrImg = index+1;
		$(this).attr('id','channels_'+nrImg);
	});
}
function showChannels() {
	var totalBanners = $('.channels img').size();
	var visImg = $('.channels').find('img:visible');
	var vidImgArr = visImg.attr('id').split('_');
	var nextBanner = parseInt(vidImgArr[1])+1;
	if(nextBanner>totalBanners) {
		nextBanner = 1;
	}
	$(visImg).fadeOut(300,function(){
		$('#channels_'+nextBanner).fadeIn(300);	
	});
	resetTimerChannels();
}
function resetTimerChannels() {
	clearInterval(intervalChannels);
	intervalChannels = setInterval("showChannels()",2000);
}