Roolback on drop and drag of an jquery full calandar event
<p>i have a jquery FullCalendar, and my user can change the position of an Event (Drop and Drag)</p>

<p>but i whant to run logical test with ajax, and for example if i get in msg value 0 i whant to run a RoolBack and place the Event in the original position (befor darg)</p>
