(function($){

$.fn.gthnx = function(options){

var settings = $.extend(true,{

g1: null,

g2: null,

g3: null,

g4: {
                             j1: null,

                             j2: null,
                         },

},options);

return this.each(function(){

// I dont know how to start here for the nested functions I know how to use g1,g2,g3 but g4 don't where to start? can anyone help me.

});

};

}(jQuery));

Thanks, much appreciated if you could help