function slider() {
	
	var current, index, next;
	if( $('.slides .list .slide_active').length > 0 ){
		current = $('.slides .list .slide_active');
	}else{
		current = $('.slides .list .slide:first');
	}
	if ( current.index() != current.siblings().length ){ // if element is last
		index = current.index()+1;
		next = index + 1;
		current.removeClass('slide_active').next().addClass('slide_active');
	}else{
		index = current.index()+1;
		next = 1;
		current.removeClass('slide_active').siblings(':first').addClass('slide_active');
	}
	$('.slides .single .single_item:nth-child('+index+')').animate({
		opacity: 0
	}, 500, function() {
		// Animation complete.
	});
	$('.slides .single .single_item:nth-child('+next+')').animate({
		opacity: 1
	}, 500, function() {
		// Animation complete.
	});
	
}

$(document).ready(function(){
	//slider();
	setInterval( 'slider()', 15000 );
	
	var index2;
	$('.slides .list .slide').click(function() {
		index2 = $(this).index()+1;
		$(this).siblings().removeClass('slide_active');
		$(this).addClass('slide_active');
		
		$('.slides .single .single_item').animate({
			opacity: 0
		}, 0, function() {
			// Animation complete.
		});
		$('.slides .single .single_item:nth-child('+index2+')').animate({
			opacity: 1
		}, 100, function() {
			// Animation complete.
		});
		
	});
	
	$('#slider').cycle({ 
		fx:     'fade', 
		speed:   1500, 
		timeout: 6000, 
		next:   '#slider', 
		pause:   1 
	});

});