Get elements with defined z-index

zIndexed.js

/* Was getzidx.js */

/* Now a custom selector, gives you more flexibility */
/* Use ala: $("*:z-indexed"); */

(function($){
    $.extend(
        $.expr[":"], { "z-indexed": function(e){ return $(e).css("zIndex") != "auto" } }
    );
})(jQuery);