gistfile1.js

(function($,window, undefined){
    var pluginName = "stickyScroll",
        defaults = {
            "class":"scrolled-off"
            }

    function Plugin( element, options ) {
            this.element = element;
            this.options = $.extend( {}, defaults, options) ;

            this._defaults = defaults;

            this.init();
    }    
    Plugin.prototype.init = function(){
    }
    $.fn.stickyScroll = function(options){
            return this.each(function(){
                    if (!$.data(this, 'plugin_' + pluginName)) {
                            $.data(this, 'plugin_' + pluginName,
                            new Plugin( this, options ));
                    }        
            });
    }
})(window.jQuery,window)