(function($){

	$.fn.jslider=function(o){

		o=$.extend({

			btnPrev:null,

			btnNext:null,

			btnGo:null,

			mouseWheel:false,

			auto:true,

			speed:3800,

			easing:null,

			vertical:false,

			circular:true,

			visible:1,

			start:0,

			scroll:1,

			beforeStart:null,

			afterEnd:null},

			o||{});

		

		return this.each(function(){

			var b=false,

			animCss=o.vertical?"top":"left",

			sizeCss=o.vertical?"height":"width";

			var c=$(this),

			ul=$("ul",c),

			tLi=$("li",ul),

			tl=tLi.size(),

			v=o.visible;

		

		if(o.circular){

			ul.prepend(tLi.slice(tl-v-1+1).clone()).append(tLi.slice(0,v).clone());

			o.start+=v}var f=$("li",ul),

			itemLength=f.size(),

			curr=o.start;

			c.css("visibility","visible");

			f.css({overflow:"hidden",float:o.vertical?"none":"left"});

			

			ul.css({

				margin:"0",

				padding:"0",

				position:"relative",

				"list-style-type":"none",

				"z-index":"1"});

				

				c.css({

					overflow:"hidden",

					position:"relative",

					"z-index":"2",

					left:"0px"});

					

				var g=o.vertical?height(f):width(f);

				var h=g*itemLength;

				var j=g*v;f.css({

					width:f.width(),

					height:f.height()});

				

				ul.css(sizeCss,h+"px").css(animCss,-(curr*g));

				c.css(sizeCss,j+"px");

			

			if(o.btnPrev)$(o.btnPrev).click(function(){

				return go(curr-o.scroll)});

			

			if(o.btnNext)$(o.btnNext).click(function(){

				return go(curr+o.scroll)});if(o.btnGo)$.each(o.btnGo,function(i,a){

					$(a).click(function(){

						return go(o.circular?o.visible+i:i)}

					)});

					

			if(o.mouseWheel&&c.mousewheel)c.mousewheel(function(e,d){

				return d>0?go(curr-o.scroll):go(curr+o.scroll)});

				

			if(o.auto)setInterval(function(){go(curr+o.scroll)},o.auto+o.speed);

			

			function vis(){

				return f.slice(curr).slice(0,v)};

				function go(a){if(!b){

					if(o.beforeStart)o.beforeStart.call(this,vis());

					if(o.circular){if(a<=o.start-v-1){

						ul.css(animCss,-((itemLength-(v*2))*g)+"px");

						curr=a==o.start-v-1?itemLength-(v*2)-1:itemLength-(v*2)-o.scroll

					}else if(a>=itemLength-v+1){ul.css(animCss,-((v)*g)+"px");

						curr=a==itemLength-v+1?v+1:v+o.scroll}else curr=a

					}else{if(a<0||a>itemLength-v)return;else curr=a}

					b=true;

					

					ul.animate(animCss=="left"?{left:-(curr*g)}:{top:-(curr*g)},o.speed,o.easing,function(){

						if(o.afterEnd)o.afterEnd.call(this,vis());

						b=false});

						if(!o.circular){$(o.btnPrev+","+o.btnNext).removeClass("disabled");

						$((curr-o.scroll<0&&o.btnPrev)||(curr+o.scroll>itemLength-v&&o.btnNext)||[]).addClass("disabled")}}

					return false}})};

					

					function css(a,b){return parseInt($.css(a[0],b))||0};function width(a){

						return a[0].offsetWidth+css(a,'marginLeft')+css(a,'marginRight')};

					

					function height(a){return a[0].offsetHeight+css(a,'marginTop')+css(a,'marginBottom')}})

					

(jQuery);