(function ($) {
	$.fn.slider = function (options) {
		var $this = this;
		var settings = {
			'width': this.width(),
			'height': this.height(),
			'wait': 4000,
			'fade': 750,
			'direction': 'left',
			'showControls': true,
			'showProgress': true,
			'hoverPause': true,
			'autoplay': true,
			'randomize': false,
			'slidebefore': function () {},
			'slideafter': function () {},
			'rewind': function () {}
		};
		var _timer = false;
		var _last = false;
		var _this = false;
		var _cycle = function () {
			clearTimeout(_timer);
			_last = _this;
			if (settings.direction == 'right') {
				_this = _this.prev('.jquery-slider-element');
			} else {
				_this = _this.next('.jquery-slider-element');
			}
			if (!_this.length) {
				_rewind();
			}
			_draw();
			if (!$this.hasClass('jquery-slider-paused') && settings.autoplay) {
				_timer = setTimeout(_cycle, settings.wait);
			}
		};
		var _rewind = function () {
			if (settings.direction == 'right') {
				_this = $this.children('.jquery-slider-element').last();
			} else {
				_this = $this.children('.jquery-slider-element').first();
			}
			settings.rewind(_this, $this);
		};
		var _draw = function () {
			$this.addClass('jquery-slider-sliding');
			if (settings.showProgress) {
				$this.find('.jquery-slider-page').removeClass('jquery-slider-page-current');
				$this.find('.jquery-slider-page:eq(' + (_this.nextAll('.jquery-slider-element').length) + ')').addClass('jquery-slider-page-current');
			}
			settings.slidebefore(_this, $this);
			if (settings.direction == 'right') {
				_this.show().css('left', -settings.width);
			} else {
				_this.show().css('left', settings.width);
			}
			_this.stop(true, true).animate({
				'left': (settings.direction == 'right' ? '+=': '-=') + settings.width + 'px'
			},
			{
				'duration': settings.fade,
				'complete': function () {
					settings.slideafter(_this, $this);
					$this.removeClass('jquery-slider-sliding');
				}
			});
			if (_last) {
				_last.stop(true, true).animate({
					'left': (settings.direction == 'right' ? '+=': '-=') + settings.width + 'px'
				},
				{
					'duration': settings.fade
				});
			}
		};
		var _next = function () {
			if ($this.hasClass('jquery-slider-sliding')) return;
			var direction = settings.direction;
			$this.addClass('jquery-slider-paused');
			settings.direction = 'left';
			_cycle();
			settings.direction = direction;
		};
		var _prev = function () {
			if ($this.hasClass('jquery-slider-sliding')) return;
			var direction = settings.direction;
			$this.addClass('jquery-slider-paused');
			settings.direction = 'right';
			_cycle();
			settings.direction = direction;
		};
		var _init = function () {
			if (options) {
				$.extend(settings, options);
			}
			if (settings.hoverPause) {
				$this.bind({
					'mouseenter': function () {
						$this.addClass('jquery-slider-paused')
						clearTimeout(_timer);
					},
					'mouseleave': function () {
						$this.removeClass('jquery-slider-paused');
						if (settings.autoplay) {
							_timer = setTimeout(_cycle, settings.wait);
						}
					}
				});
			}
			var positionEls = $('<span class="jquery-slider-pages"></span>');
			$this.addClass('jquery-slider').width(settings.width).height(settings.height);
			$this.children().each(function () {
				var $tmp = $(this);
				_this = $(this).addClass('jquery-slider-element');
				positionEls.prepend($('<span class="jquery-slider-page"></span>').bind('click', function () {
					if ($this.hasClass('jquery-slider-sliding')) return;
					_last = _this;
					_this = $tmp;
					_draw();
				}));
			});
			if (settings.showProgress) {
				$this.append(positionEls);
			}
			if (settings.showControls) {
				var controlPrev = $('<span class="jquery-slider-control jquery-slider-control-prev"><span>&laquo;</span></span>').bind('click', function () {
					_prev();
				});
				var controlNext = $('<span class="jquery-slider-control jquery-slider-control-next"><span>&raquo;</span></span>').bind('click', function () {
					_next();
				});
				$this.append(controlPrev);
				$this.append(controlNext);
			}
			if (settings.randomize) {
				_this = $this.children('.jquery-slider-element').eq(parseInt($this.children('.jquery-slider-element').length * Math.random()));
			}
			_cycle();
		};
		_init();
	};
})(jQuery);