/*! jQuery.scrollpanel 0.1 - //larsjung.de/scrollpanel - MIT License */
(function(a){"use strict";var b=a(window),c="scrollpanel",d={prefix:"sp-"},e=function(b,c){var e=this;e.$el=a(b),e.settings=a.extend({},d,c);var f=e.settings.prefix;e.mouseOffsetY=0,e.updateId=0,e.scrollProxy=a.proxy(e.scroll,e),(!e.$el.css("position")||e.$el.css("position")==="static")&&e.$el.css("position","relative"),e.$scrollbar=a('<div class="'+f+'scrollbar" />'),e.$thumb=a('<div class="'+f+'thumb" />').appendTo(e.$scrollbar),e.$el.addClass(f+"host").wrapInner('<div class="'+f+'viewport"><div class="'+f+'container" /></div>').append(e.$scrollbar),e.$viewport=e.$el.find("> ."+f+"viewport"),e.$container=e.$viewport.find("> ."+f+"container"),e.$el.on("mousewheel",function(a,b,c,d){e.$viewport.scrollTop(e.$viewport.scrollTop()-50*d),e.update(),a.preventDefault(),a.stopPropagation()}).on("scroll",function(){e.update()}),e.$viewport.css({paddingRight:e.$scrollbar.outerWidth(!0),height:e.$el.height(),overflow:"hidden"}),e.$container.css({overflow:"hidden"}),e.$scrollbar.css({position:"absolute",top:0,right:0,overflow:"hidden"}).on("mousedown",function(a){e.mouseOffsetY=e.$thumb.outerHeight()/2,e.onMousedown(a)}).each(function(){e.onselectstart=function(){return!1}}),e.$thumb.css({position:"absolute",left:0,width:"100%"}).on("mousedown",function(a){e.mouseOffsetY=a.pageY-e.$thumb.offset().top,e.onMousedown(a)}),e.update()};a.extend(e.prototype,{update:function(a){var b=this;b.updateId&&!a?(clearInterval(b.updateId),b.updateId=0):!b.updateId&&a&&(b.updateId=setInterval(function(){b.update(!0)},50)),b.$viewport.css("height",b.$el.height());var c=b.$el.height(),d=b.$container.outerHeight(),e=b.$viewport.scrollTop(),f=e/d,g=Math.min(c/d,1),h=b.$scrollbar.height();g<1?(b.$scrollbar.css({height:b.$el.innerHeight()+h-b.$scrollbar.outerHeight(!0)}).fadeIn(50),b.$thumb.css({top:h*f,height:h*g})):b.$scrollbar.fadeOut(50)},scroll:function(a){var b=this,c=(a.pageY-b.$scrollbar.offset().top-b.mouseOffsetY)/b.$scrollbar.height();b.$viewport.scrollTop(b.$container.outerHeight()*c),b.update(),a.preventDefault(),a.stopPropagation()},onMousedown:function(a){var c=this;c.scroll(a),c.$scrollbar.addClass("active"),b.on("mousemove",c.scrollProxy).one("mouseup",function(a){c.$scrollbar.removeClass("active"),b.off("mousemove",c.scrollProxy),c.scroll(a)})}}),a.fn[c]=function(b,d){return this.each(function(){var f=a(this),g=f.data(c);g||(g=new e(this,b),g.update(),f.data(c,g)),b==="update"&&g.update(d)})}})(jQuery)