Comment 1 for bug 456780

Need to add dragscrollable.js. From user report:

I've downloaded the book reader in February, and put it in /var/www, and the demo still works today. However, I cloned the project from github from my IDE today, and it gives me an error:

$("#BRcontainer").dragscrollable is not a function
$('#BRcontainer').dragscrollable(); ------- BookReader.js (line 1306)
I've found I can fix this by adding dragscrollable.js to BookReaderDemo/index.html

<script type="text/javascript" src="../BookReader/dragscrollable.js"></script>