var timer = 7000;

function showSlideNext(){
	var current = $('#comments').attr('current');
	var previous = current;
	current++;
	if(current == $('#comments li').length){
		current = 0;
	}
	$('#comments').attr('current', current);
	$('#comments li:eq('+previous+')').fadeOut('medium', function(){
		$('#comments li:eq('+current+')').fadeIn('medium');
	});
}

function recursiveSlideComments(interval){
	showSlideNext();
	setTimeout(function(){
		recursiveSlideComments(interval);
	}, interval);
}

function slideComments(){
	$('#comments li:not(:first)').hide();
	$('#comments').attr('current', 0);
	setTimeout(function(){
		recursiveSlideComments(timer);
	}, timer);
}