$(document).ready(function(){
	$('#slide-1').each(function(){
		var stay_time = 5000; //in ms
		var _t;
		var _list = $(this).children('img');
		var _a = _list.index(_list.filter('.active:eq(0)'));
		if(_a == -1) _a = 0;
		_list.removeClass('active').css({opacity: 0, display: 'block'}).eq(_a).addClass('active').css('opacity', 1);
		function changeEl(_ind){
			if(_ind != _a){
				_list.eq(_a).removeClass('active').animate({opacity: 0}, {queue:false, duration:500});
				_list.eq(_ind).addClass('active').animate({opacity: 1}, {queue:false, duration:500});
				_a = _ind;
				if(_t) clearTimeout(_t);
				t_ = setTimeout(function(){
					if(_a == _list.length -1) changeEl(0);
					else changeEl(_a + 1);
				}, stay_time);
			}
		}
		t_ = setTimeout(function(){
			if(_a == _list.length -1) changeEl(0);
			else changeEl(_a + 1);
		}, stay_time);
	});
});