I want to add some functionalities like drag and drop to be done on my calender view so i would like to know diffrence between we_calendar.js and fullcalender.js so that i can code accodingly my javascipt and xml..i'm unable to know exacly where to write the code whether its in web_calender.js or fullcalender.js in webcalender module..

My requirement is kind of following link.

http://fullcalendar.io/js/fullcalendar-2.7.3/demos/external-dragging.html

Can someone look towards and drop your solutions?