A super selector for jQuery

superselector$$$.js

/*
Recursively searches the document, and the iframes within it for elements.
Usage: exactly like jQuery() or $()
*/

var $$$ = function(thing, doc) {
  var res = $(thing, doc);
  $("iframe", doc).each( function(){ 
        res = res.add( $$$(thing, this.contentDocument) ); 
  });
  return res;
};