JQuery Collision
JQuery extension to return the collisions between two selectors.
JQuery extension to return the collisions between two selectors. Handles padding, margin, borders, and can determine either overlap or portion outside. Returns JQuery "overlap" objects. Requires: jquery1.8.3+, examples also require: jqueryui1.9.2+
Try it out: http://eruciform.com/jquerycollision/
If you like this, try: http://sourceforge.net/projects/jquidragcollide/