/*! Copyright (c) 2008 Brandon Aaron (brandon.aaron@gmail.com || http://brandonaaron.net)
* Dual licensed under the MIT (http://www.opensource.org/licenses/mit-license.php)
* and GPL (http://www.opensource.org/licenses/gpl-license.php) licenses.
*/
 
/**
* Swaps out one element with another. It can take either a DOM element,
* a selector or a jQuery object. It only swaps the first matched element.
*/
jQuery.fn.swap = function(b) {
  b = jQuery(b)[0];
  var a = this[0],
   a2 = a.cloneNode(true),
   b2 = b.cloneNode(true),
   stack = this;
  
  a.parentNode.replaceChild(b2, a);
  b.parentNode.replaceChild(a2, b);
  
  stack[0] = a2;
  return this.pushStack( stack );
};