(function ($) {
	var timers = [];

	function nextmove(obj, step) {	
		obj.find("ul").animate({
			marginleft: -step
		}, 300, 'swing', function () {
			$(this).find("li").slice(0, 1).appendto($(this));
			$(this).css("margin-left", 0);
		});
	}
	


	function premove(obj, step) {
		var ul = obj.find("ul");
		ul.css('margin-left', -step);
		ul.find("li").last().prependto(ul);
		ul.animate({
			marginleft: 0
		}, 300, 'swing', function () {
			ul.css("margin-left", 0);
		});
	}

	function downmove(obj, step) {
		obj.find("ul").animate({
			margintop: -step
		}, 300, 'swing', function () {
			$(this).find("li").slice(0, 1).appendto($(this));
			$(this).css("margin-top", 0);
		});
	}

	function upmove(obj, step) {
		var ul = obj.find("ul");
		ul.find("li").last().prependto(ul);
		ul.css('margin-top', -step);
		ul.animate({
			margintop: 0
		}, 300, 'swing', function () {
			ul.css("margin-top", 0);
		});
	}
	var methods = {
		init: function (options) {
			var defaults = {
				speed: 0,
				direction: 'horizantal'
			};
			var opts = $.extend({}, defaults, options);
			return this.each(function (i) {
				var speed = opts["speed"] < 1000 ? 3000 : opts["speed"];
				var direction = opts["direction"] == 'vertical' || opts["direction"] == 'horizantal' ? opts["direction"] : 'vertical';
				var _this = $(this);
				var ul = _this.find("ul"),
					pre = $(".pre20"),/*_this.find(".pre20")*/
					next = $(".next20");/*_this.find(".next20")*/
				var sh, ismove, ishori, move, lmove, rmove;
				if (direction == 'horizantal') {
					ismove = _this.width() < ul.width();
					ishori = true;
					move = nextmove;
					lmove = premove;
					rmove = nextmove;
					sh = ul.find("li:first").outerwidth(true);
				} else {
					ismove = _this.height() < ul.height();
					ishori = false;
					move = downmove;
					lmove = upmove;
					rmove = downmove;
					sh = ul.find("li:first").outerheight(true);
				}
				if (ismove) {
					timers[i] = setinterval(function () {
						move(_this, sh);
					}, speed);
					_this.hover(function () {
						clearinterval(timers[i]);
					}, function () {
						timers[i] = setinterval(function () {
							move(_this, sh);
						}, speed);
						clearinterval(timers[i]);
					});
					pre.click(function () {
						lmove(_this, sh);
						clearinterval(timers[i]);
					});
					next.click(function () {
						rmove(_this, sh);
						clearinterval(timers[i]);
					});
					clearinterval(timers[i]);
					
					
					
					
				}
				
/*				setinterval(function(){rmove(_this, sh);      $(".single ul li").removeclass("active");
                 $(".single ul li:eq(2)").addclass("active");},5000);*/
				
				
				
				
				
				
			});
		},
		destroy: function () {
			return this.each(function (i) {
				_this = $(this);
				clearinterval(timers[i]);
				_this.find('ul').css({
					'margin-top': 0
				});
				_this.find('ul').css({
					'margin-left': 0
				});
				_this.unbind("mouseenter").unbind("mouseleave");
				_this.find('.pre').unbind('click');
				_this.find('.next').unbind('click');
			});
		}
	}
	$.fn.mysinglescroll = function (options) {
		var method = arguments[0];
		if (methods[method]) {
			method = methods[method];
		} else if (typeof method == 'object' || !method) {
			method = methods.init;
		} else {
			$.error('error');
			return this;
		}
		return method.apply(this, arguments);
	}
})(jquery)