Override default jQuery selector context

Question

I\'m trying to use jQuery inside a Firefox extension, and actually want to use jQuery to manipulate the DOM of the current page, as opposed to the context of the XUL file. T

Answer 1

var jQueryInit = $.fn.init;

$.fn.init = function(arg1, arg2, rootjQuery){
    arg2 = arg2 || window.document;
    return new jQueryInit(arg1, arg2, rootjQuery);
};