Pruebas.

<script src='//ajax.googleapis.com/ajax/libs/jquery/1.8.2/jquery.min.js' type='text/javascript'/>
<style>
.jspContainer {overflow: hidden;position: relative;}.jspPane {position: absolute;}
.jspVerticalBar {position: absolute;top: 0;right: 0;width: 16px;height: 100%;background: #ccc;}
.jspHorizontalBar {position: absolute;bottom: 0;left: 0;width: 100%;height: 16px;background: #ccc;}
.jspVerticalBar *,.jspHorizontalBar * {margin: 0;padding: 0;}
.jspCap {display: none;}.jspHorizontalBar .jspCap {float: left;}

.jspTrack {
background: #dde; /* Color de fondo de la barra */
position: relative;
}
.jspDrag {
background: #bbd; /* Color del botón de desplazamiento */
position: relative;
top: 0;
left: 0;
cursor: pointer;
}
.jspHorizontalBar .jspTrack,
.jspHorizontalBar .jspDrag {
float: left;
height: 100%;
}
.jspArrow {
background: #50506d; /*Color de los límites */
text-indent: -20000px;
display: block;
cursor: pointer;
}
.jspArrow.jspDisabled {
cursor: default;
background: #80808d; /*Color de los límites cuando el botón llega hasta ellos */
}
.jspVerticalBar .jspArrow {
height: 16px;
}
.jspHorizontalBar .jspArrow {
width: 16px;
float: left;
height: 100%;
}
.jspVerticalBar .jspArrow:focus {outline: none;}.jspCorner {background: #eeeef4;float: left;height: 100%;}* html .jspCorner {margin: 0 -3px 0 0;}
html, body {
height: 100%;
margin: 0;
padding: 0;
}
#blog-container {
height: 100%;
margin: 0;
padding: 0;
overflow: auto;
}
</style>
<script>
//<![CDATA[
/*! Copyright (c) 2013 Brandon Aaron (http://brandonaaron.net)
* Licensed under the MIT License (LICENSE.txt).
* Version: 3.1.3
*/

(function (factory) {
if ( typeof define === 'function' && define.amd ) {
define(['jquery'], factory);
} else if (typeof exports === 'object') {
module.exports = factory;
} else {
// Browser globals
factory(jQuery);
}
}(function ($) {

var toFix = ['wheel', 'mousewheel', 'DOMMouseScroll', 'MozMousePixelScroll'];
var toBind = 'onwheel' in document || document.documentMode >= 9 ? ['wheel'] : ['mousewheel', 'DomMouseScroll', 'MozMousePixelScroll'];
var lowestDelta, lowestDeltaXY;

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setup: function() {
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}
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this.onmousewheel = handler;
}
},

teardown: function() {
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for ( var i = toBind.length; i; ) {
this.removeEventListener( toBind[--i], handler, false );
}
} else {
this.onmousewheel = null;
}
}
};

$.fn.extend({
mousewheel: function(fn) {
return fn ? this.bind("mousewheel", fn) : this.trigger("mousewheel");
},

unmousewheel: function(fn) {
return this.unbind("mousewheel", fn);
}
});

function handler(event) {
var orgEvent = event || window.event,
args = [].slice.call(arguments, 1),
delta = 0,
deltaX = 0,
deltaY = 0,
absDelta = 0,
absDeltaXY = 0,
fn;
event = $.event.fix(orgEvent);
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if ( orgEvent.detail ) { delta = orgEvent.detail * -1; }
if ( orgEvent.deltaY ) {
deltaY = orgEvent.deltaY * -1;
delta = deltaY;
}
if ( orgEvent.deltaX ) {
deltaX = orgEvent.deltaX;
delta = deltaX * -1;
}
if ( orgEvent.wheelDeltaY !== undefined ) { deltaY = orgEvent.wheelDeltaY; }
if ( orgEvent.wheelDeltaX !== undefined ) { deltaX = orgEvent.wheelDeltaX * -1; }
absDelta = Math.abs(delta);
if ( !lowestDelta || absDelta < lowestDelta ) { lowestDelta = absDelta; }
absDeltaXY = Math.max(Math.abs(deltaY), Math.abs(deltaX));
if ( !lowestDeltaXY || absDeltaXY < lowestDeltaXY ) { lowestDeltaXY = absDeltaXY; }
fn = delta > 0 ? 'floor' : 'ceil';
delta = Math[fn](delta / lowestDelta);
deltaX = Math[fn](deltaX / lowestDeltaXY);
deltaY = Math[fn](deltaY / lowestDeltaXY);
args.unshift(event, delta, deltaX, deltaY);
return ($.event.dispatch || $.event.handle).apply(this, args);
}
}));

/*
* jScrollPane - v2.0.0beta5 - 2010-09-18
* http://jscrollpane.kelvinluck.com/
* Copyright (c) 2010 Kelvin Luck
* Dual licensed under the MIT and GPL licenses.
*/
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//]]>
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<br />
<script>
$(document).ready(function() {
$('.scroll-pane').jScrollPane({showArrows: true});
});
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