jQuery Plugin that creates a fixed-height scrollable region that uses a top and bottom shadow to indicate scrollability of the content region.
Demo: http://codepen.io/benknight/full/werpn
$('.my-widget').shadowedScroller(options);
1. height {Number} The fixed height of the scrollable area. Default: 200
2. shadow_size {Number} The size and curvature of the shadow. Default: 30
3. shadow_color {String} The color of the shadow. Default: 'black'