"

From 2014.igem.org

/*!

* jquery.overlaps.js 0.0.1 - https://github.com/yckart/jquery.overlaps.js
* Determine if an element overlaps another.
*
* Copyright (c) 2013 Yannick Albert (http://yckart.com)
* Licensed under the MIT license (http://www.opensource.org/licenses/mit-license.php).
* 2013/02/09

• /

(function($){

   $.fn.overlaps = function(obj) {
       var elems = {targets: [], hits:[]};
       this.each(function() {
           var bounds = $(this).offset();
           bounds.right = bounds.left + $(this).outerWidth();
           bounds.bottom = bounds.top + $(this).outerHeight();

           var compare = $(obj).offset();
           compare.right = compare.left + $(obj).outerWidth();
           compare.bottom = compare.top + $(obj).outerHeight();

           if (!(compare.right < bounds.left ||
                 compare.left > bounds.right ||
                 compare.bottom < bounds.top ||
                 compare.top > bounds.bottom)
              ) {
               elems.targets.push(this);
               elems.hits.push(obj);
           }
       });

       return elems;
   };

}(jQuery));