I\'m using Gridster (http://gridster.net/) which able to drag the content inside the li . In my li there is a clickable div.
li
Without digging into the JS, adding onclick = "return false;" to your tag should stop the click from triggering.
onclick = "return false;"
For stopping just the drag, try:
gridster.draggable.stop(){ return false; }
or
gridster.draggable.stop(e){ e.preventDefault(); }