/*
* Collision Check Plugin v1.1
* Copyright (c) Constantin Groß, 48design.de
* v1.2 rewrite with thanks to Daniel
*
* @requires jQuery v1.3.2
*
* Dual licensed under the MIT and GPL licenses:
*   http://www.opensource.org/licenses/mit-license.php
*   http://www.gnu.org/licenses/gpl.html
*
*/
(function($)
{
  $.fn.collidesWith = function(elements) {
    var rects = this;
	  var checkWith = $(elements);
	  var c = $([]);

	  if (!rects || !checkWith) return false;

	  rects.each(function()
    {
      var rect = $(this);

      // define minimum and maximum coordinates
      var rectOff = rect.offset();
      var rectMinX = rectOff.left;
      var rectMinY = rectOff.top;
      var rectMaxX = rectMinX + rect.outerWidth();
      var rectMaxY = rectMinY + rect.outerHeight();

      checkWith.not(rect).each(function()
      {
        var otherRect = $(this);
        var otherRectOff = otherRect.offset();
        var otherRectMinX = otherRectOff.left;
        var otherRectMinY = otherRectOff.top;
        var otherRectMaxX = otherRectMinX + otherRect.outerWidth();
        var otherRectMaxY = otherRectMinY + otherRect.outerHeight();

        // check for intersection
        if ( rectMinX >= otherRectMaxX ||
             rectMaxX <= otherRectMinX ||
             rectMinY >= otherRectMaxY ||
             rectMaxY <= otherRectMinY )
        {
          return true; // no intersection, continue each-loop
        }
        else
        {
          // intersection found, add only once
          if(c.length == c.not(this).length) { c.push(this); }
        }
      });
	  });
	  // return collection
    return c;
  }
})(jQuery);