(function(d,f,e){var g,h;h=function(){var c,a,b;a=e.createElement("div");a.style.position="absolute";a.style.width="100px";a.style.height="100px";a.style.overflow="scroll";e.body.appendChild(a);c=a.offsetWidth;b=a.scrollWidth;e.body.removeChild(a);return c-b};g=function(){function c(a){this.el=a;this.generate();this.createEvents();this.addEvents();this.reset()}c.prototype.createEvents=function(){var a=this;this.events={down:function(b){a.isDrag=!0;a.offsetY=b.clientY-a.slider.offset().top;a.pane.addClass("active");
d(e).bind("mousemove",a.events.drag);d(e).bind("mouseup",a.events.up);return!1},drag:function(b){a.sliderY=b.clientY-a.el.offset().top-a.offsetY;a.scroll();return!1},up:function(){a.isDrag=!1;a.pane.removeClass("active");d(e).unbind("mousemove",a.events.drag);d(e).unbind("mouseup",a.events.up);return!1},resize:function(){a.reset()},panedown:function(b){a.sliderY=b.clientY-a.el.offset().top-0.5*a.sliderH;a.scroll();a.events.down(b)},scroll:function(){var b;b=a.content[0];!0!==a.isDrag&&a.slider.css({top:b.scrollTop/
(b.scrollHeight-b.clientHeight)*(a.paneH-a.sliderH)+"px"})},wheel:function(b){a.sliderY+=-b.wheelDeltaY||-b.delta;a.scroll();return!1}}};c.prototype.addEvents=function(){var a,b;a=this.events;b=this.pane;d(f).bind("resize",a.resize);this.slider.bind("mousedown",a.down);b.bind("mousedown",a.panedown);this.content.bind("scroll",a.scroll);f.addEventListener&&(b=b[0],b.addEventListener("mousewheel",a.wheel,!1),b.addEventListener("DOMMouseScroll",a.wheel,!1))};c.prototype.removeEvents=function(){var a,
b;a=this.events;b=this.pane;d(f).unbind("resize",a.resize);this.slider.unbind("mousedown",a.down);b.unbind("mousedown",a.panedown);this.content.unbind("scroll",a.scroll);f.addEventListener&&(b=b[0],b.removeEventListener("mousewheel",a.wheel,!1),b.removeEventListener("DOMMouseScroll",a.wheel,!1))};c.prototype.generate=function(){this.el.append('<div class="pane"><div class="slider"></div></div>');this.content=d(this.el.children()[0]);this.slider=this.el.find(".slider");this.pane=this.el.find(".pane");
this.scrollW=h();if(0===this.scrollbarWidth)this.scrollW=0;this.content.css({right:-this.scrollW+"px"})};c.prototype.reset=function(){if(!0===this.isDead)this.isDead=!1,this.pane.show(),this.addEvents();this.contentH=this.content[0].scrollHeight+this.scrollW;this.paneH=this.pane.outerHeight();this.sliderH=this.paneH/this.contentH*this.paneH;this.sliderH=Math.round(this.sliderH);this.scrollH=this.paneH-this.sliderH;this.slider.height(this.sliderH);this.pane.show();this.paneH>=this.content[0].scrollHeight&&
this.pane.hide()};c.prototype.scroll=function(){var a;this.sliderY=Math.max(0,this.sliderY);this.sliderY=Math.min(this.scrollH,this.sliderY);a=this.paneH-this.contentH+this.scrollW;a=a*this.sliderY/this.scrollH;this.content.scrollTop(-a);return this.slider.css({top:this.sliderY})};c.prototype.scrollBottom=function(a){this.reset();this.content.scrollTop(this.contentH-this.content.height()-a)};c.prototype.scrollTop=function(a){this.reset();this.content.scrollTop(a+0)};c.prototype.stop=function(){this.isDead=
!0;this.removeEvents();this.pane.hide()};return c}();d.fn.nanoScroller=function(c){var a;c||(c={});if(!(d.browser.msie&&8>parseInt(d.browser.version,10))){a=this.data("scrollbar");void 0===a&&(a=new g(this),this.data("scrollbar",a));if(c.scrollBottom)return a.scrollBottom(c.scrollBottom);if(c.scrollTop)return a.scrollTop(c.scrollTop);if("bottom"===c.scroll)return a.scrollBottom(0);if("top"===c.scroll)return a.scrollTop(0);if(c.stop)return a.stop();a.reset()}}})(jQuery,window,document);