I am not sure which versions of jquery you support, but if you use 1.8.3 (just swap out 1.11 with this url http://ajax.googleapis.com/ajax/libs/jquery/1.8.3/jquery.min.js) there is an issue after you click and release the mouse. when you click, it triggers the drag, but after releasing, the drag is not released.
I am not sure which versions of jquery you support, but if you use 1.8.3 (just swap out 1.11 with this url http://ajax.googleapis.com/ajax/libs/jquery/1.8.3/jquery.min.js) there is an issue after you click and release the mouse. when you click, it triggers the drag, but after releasing, the drag is not released.