(function(win) {
    if(typeof(win.require) != 'undefined') { return win.require; }

    var loader = Components.classes['@mozilla.org/moz/jssubscript-loader;1'].getService(Components.interfaces.mozIJSSubScriptLoader);
    var baseUrl = 'chrome://modules/content/';
    win.modules = {};

    function getUrl(module) {
        return baseUrl + module.replace(/[\[\]\.]/g, '/') + '.js';
    }

    function getPath(path) {
        var next = win.modules;
        path = path.split(/[\[\]\.]+/);
        if (path[path.length - 1] == "") {
            path.pop();
        };
        while (path.length && (next = next[path.shift()]) && typeof next == "object" && next !== null);
        if (next == win.modules) { next = undefined; }
        return next;
    }


    function loadModule(module, url) {
        console.log('URL: ' + url)
        var result;
        var path = module.split(/[\[\]\.]+/);
        module = getPath(module);
        if(typeof module == 'undefined') {
            result = loader.loadSubScript(url);
            //win.modules[module] = result;
        } else {
            result = module;
        }
        return result;
    }

    return win.require = function requireModule() {
        if(arguments.length == 0) { return win.require; }
        var results = {};
        var resultsCount = 0;
        var firstResult;
        for(var i in arguments) {
            if(typeof(arguments[i]) == 'object') {
                for(var module in arguments[i]) {
                    var result = loadModule(module,  getUrl(module));
                    arguments[i](result);
                    results[module] = result;
                    if(resultsCount == 0) {
                        firstResult = result;
                    }
                    resultsCount++;
                }
            } else if(typeof(arguments[i]) == 'string') {
                var result = loadModule(arguments[i],  getUrl(arguments[i]));
                results[arguments[i]] = result;
                if(resultsCount == 0) {
                    firstResult = result;
                }
                resultsCount++;
            }
        }
        if(resultsCount == 1) {
            results = firstResult;
        }
        return results;
    };
})(window);