jQuery.fn.childFader = function() {
	var obj = $(this[0]);
    var args = arguments[0] || {};
    var interval = args.interval;
    var speed = args.speed;

	obj.children().addClass('childFader_obj');

	setInterval(function() {
		var obj_current = obj.find('.childFader_obj:visible');
		var obj_next = obj_current.next();

		if(obj_next.hasClass('.childFader_obj') == false) {
			obj_next = obj.find('.childFader_obj:first');
		}

		obj_current.fadeOut(speed);
		obj_next.fadeIn(speed);
	}, (interval + speed));
};