diff --git a/lib/askForPermission.js b/lib/askForPermission.js
index fccd86d..a601373 100644
--- a/lib/askForPermission.js
+++ b/lib/askForPermission.js
@@ -4,6 +4,15 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 (function(){
 	"use strict";
+	var scope;
+	if ((typeof exports) !== "undefined"){
+		scope = exports;
+	}
+	else {
+		window.scope.askForPermission = {};
+		scope = window.scope.askForPermission;
+	}
+	
 	const {parseErrorStack} = require("./callingStack");
 	
 	// Check canvas appearance
@@ -107,7 +116,7 @@
 		}
 	}
 	
-	exports.ask = function({window, type, canvas, errorStack}, {_, prefs}){
+	scope.ask = function({window, type, canvas, errorStack}, {_, prefs}){
 		var answer;
 		var askMode = getAskMode(window, type, _);
 		var askStatus = askMode.askStatus;
diff --git a/lib/callingStack.js b/lib/callingStack.js
index ef1c1b5..536bb99 100644
--- a/lib/callingStack.js
+++ b/lib/callingStack.js
@@ -3,101 +3,113 @@
 /* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-const preferences = require("sdk/simple-prefs");
-const prefs = preferences.prefs;
-
-// Translation
-var translate = require("sdk/l10n").get;
-var _ = function(name, replace, translateAPI){
-	"use strict";
-	if (!translateAPI){
-		translateAPI = translate;
-	}
-	
-	var str = translateAPI(name) || name;
-	if (replace){
-		// replace generic content in the transation by given parameter
-		Object.keys(replace).forEach(function(name){
-			str = str.replace(new RegExp("{" + name + "}", "g"), replace[name]);
-		});
-	}
-	return str;
-};
-
-// Stack parsing
-function parseStackEntry(entry){
+(function(){
 	"use strict";
 	
-	var m = /@(.*):(\d*):(\d*)$/.exec(entry) || ["", entry, "--", "--"];
-	return {
-		url: m[1],
-		line: parseInt(m[2], 10),
-		column: parseInt(m[3], 10),
-		raw: entry
-	};
-}
-
-function stackRuleMatch(stackEntry, stackRule){
-	if (!stackEntry){
-		return false;
+	var scope;
+	if ((typeof exports) !== "undefined"){
+		scope = exports;
 	}
-	if (stackEntry.url !== stackRule.url){
-		return false;
+	else {
+		window.scope.callingStack = {};
+		scope = window.scope.callingStack;
 	}
-	if ((typeof stackRule.line) !== "undefined" && stackEntry.line !== stackRule.line){
-		return false;
-	}
-	if ((typeof stackRule.column) !== "undefined" && stackEntry.column !== stackRule.column){
-		return false;
-	}
-	return true;
-}
-
-// parse calling stack
-function parseErrorStack(errorStack){
-	"use strict";
 	
-	var callers = errorStack.trim().split("\n");
-	var findme = callers.shift(); // Remove us from the stack
-	findme = findme.replace(/(:[0-9]+){1,2}$/, ""); // rm line & column
-	// Eliminate squashed stack. stack may contain 2+ stacks, but why...
-	var inDoubleStack = false;
-	callers = callers.filter(function(caller){
-		var doubleStackStart = caller.search(findme) !== -1;
-		inDoubleStack = inDoubleStack || doubleStackStart;
-		return !inDoubleStack;
-	}).map(parseStackEntry);
-	return {
-		toString: function(translateAPI){
-			var msg = "";
-			msg += "\n\n" + _("sourceOutput", undefined, translateAPI) + ": ";
-			if (prefs.showCompleteCallingStack){
-				msg += callers.reduce(function(stack, c){
-					return stack + "\n\t" + _("stackEntryOutput", c, translateAPI);
-				}, "");
-			}
-			else{
-				msg += _("stackEntryOutput", callers[0], translateAPI);
-			}
-			
-			return msg;
-		},
-		match: function(stackRule){
-			if (typeof stackRule.stackPosition !== "undefined"){
-				var pos = stackRule.stackPosition;
-				if (pos < 0){
-					pos += callers.length;
-				}
-				return stackRuleMatch(callers[pos], stackRule);
-			}
-			else {
-				return callers.some(function(stackEntry){
-					return stackRuleMatch(stackEntry, stackRule);
-				});
-			}
+	const preferences = require("sdk/simple-prefs");
+	const prefs = preferences.prefs;
+	
+	// Translation
+	var translate = require("sdk/l10n").get;
+	var _ = function(name, replace, translateAPI){
+		"use strict";
+		if (!translateAPI){
+			translateAPI = translate;
 		}
+		
+		var str = translateAPI(name) || name;
+		if (replace){
+			// replace generic content in the transation by given parameter
+			Object.keys(replace).forEach(function(name){
+				str = str.replace(new RegExp("{" + name + "}", "g"), replace[name]);
+			});
+		}
+		return str;
 	};
-}
+	
+	// Stack parsing
+	function parseStackEntry(entry){
+		"use strict";
+		
+		var m = /@(.*):(\d*):(\d*)$/.exec(entry) || ["", entry, "--", "--"];
+		return {
+			url: m[1],
+			line: parseInt(m[2], 10),
+			column: parseInt(m[3], 10),
+			raw: entry
+		};
+	}
+	
+	function stackRuleMatch(stackEntry, stackRule){
+		if (!stackEntry){
+			return false;
+		}
+		if (stackEntry.url !== stackRule.url){
+			return false;
+		}
+		if ((typeof stackRule.line) !== "undefined" && stackEntry.line !== stackRule.line){
+			return false;
+		}
+		if ((typeof stackRule.column) !== "undefined" && stackEntry.column !== stackRule.column){
+			return false;
+		}
+		return true;
+	}
 
-exports.parseErrorStack = parseErrorStack;
\ No newline at end of file
+	// parse calling stack
+	function parseErrorStack(errorStack){
+		"use strict";
+		
+		var callers = errorStack.trim().split("\n");
+		var findme = callers.shift(); // Remove us from the stack
+		findme = findme.replace(/(:[0-9]+){1,2}$/, ""); // rm line & column
+		// Eliminate squashed stack. stack may contain 2+ stacks, but why...
+		var inDoubleStack = false;
+		callers = callers.filter(function(caller){
+			var doubleStackStart = caller.search(findme) !== -1;
+			inDoubleStack = inDoubleStack || doubleStackStart;
+			return !inDoubleStack;
+		}).map(parseStackEntry);
+		return {
+			toString: function(translateAPI){
+				var msg = "";
+				msg += "\n\n" + _("sourceOutput", undefined, translateAPI) + ": ";
+				if (prefs.showCompleteCallingStack){
+					msg += callers.reduce(function(stack, c){
+						return stack + "\n\t" + _("stackEntryOutput", c, translateAPI);
+					}, "");
+				}
+				else{
+					msg += _("stackEntryOutput", callers[0], translateAPI);
+				}
+				
+				return msg;
+			},
+			match: function(stackRule){
+				if (typeof stackRule.stackPosition !== "undefined"){
+					var pos = stackRule.stackPosition;
+					if (pos < 0){
+						pos += callers.length;
+					}
+					return stackRuleMatch(callers[pos], stackRule);
+				}
+				else {
+					return callers.some(function(stackEntry){
+						return stackRuleMatch(stackEntry, stackRule);
+					});
+				}
+			}
+		};
+	}
+	
+	scope.parseErrorStack = parseErrorStack;
+}());
\ No newline at end of file
diff --git a/lib/check.js b/lib/check.js
index fe9e5d5..290eaff 100644
--- a/lib/check.js
+++ b/lib/check.js
@@ -6,13 +6,22 @@
 (function(){
 	"use strict";
 	
+	var scope;
+	if ((typeof exports) !== "undefined"){
+		scope = exports;
+	}
+	else {
+		window.scope.check = {};
+		scope = window.scope.check;
+	}
+	
 	const lists = require("./lists");
 	const preferences = require("sdk/simple-prefs");
 	const prefs = preferences.prefs;
 	const {parseErrorStack} = require("./callingStack");
 	const {URL} = require("sdk/url");
 
-	exports.check = function check({url, errorStack}){
+	scope.check = function check({url, errorStack}){
 		var match = checkBoth(errorStack, url, prefs.blockMode).match(/^(block|allow|fake|ask)(|Readout|Everything|Context|Input|Internal)$/);
 		if (match){
 			return {
@@ -96,5 +105,5 @@
 		var callingStack = parseErrorStack(errorStack);
 		return lists.get("stack").match(callingStack);
 	}
-	exports.checkStack = checkStack;
+	scope.checkStack = checkStack;
 }());
\ No newline at end of file
diff --git a/lib/defaultSettings.js b/lib/defaultSettings.js
new file mode 100644
index 0000000..fdbde18
--- /dev/null
+++ b/lib/defaultSettings.js
@@ -0,0 +1,14 @@
+"use strict";
+
+var settings = {
	whiteList: "",
	blackList: "",
	blockMode: "fakeReadout",
	maxFakeSize: 0,
	rng: "nonPersistent",
	persistentRndStorage: "",
	storePersistentRnd: false,
	askOnlyOnce: true,
	showNotifications: true,
	notificationDisplayTime: 30,
	ignoreList: "",
	showCallingFile: false,
	showCompleteCallingStack: false,
	enableStackList: false,
	stackList: ""
+};
+
+(function(){
+	browser.storage.onChanged.addListener(function(change, area){
+		if (area === "local"){
+			Object.keys(change).forEach(function(key){
+				settings[key] = change[key].newValue;
+			});
+		}
+	});
+}());
\ No newline at end of file
diff --git a/lib/intercept.js b/lib/intercept.js
index fc91109..5ed2d06 100644
--- a/lib/intercept.js
+++ b/lib/intercept.js
@@ -5,6 +5,15 @@
 (function(){
 	"use strict";
 	
+	var scope;
+	if ((typeof exports) !== "undefined"){
+		scope = exports;
+	}
+	else {
+		window.scope.intercept = {};
+		scope = window.scope.intercept;
+	}
+	
 	const {changedFunctions, setRandomSupply} = require("./modifiedAPI");
 	const randomSupplies = require("./randomSupplies");
 	setRandomSupply(randomSupplies.nonPersistent);
@@ -20,7 +29,7 @@
 				setRandomSupply(randomSupplies.nonPersistent);
 		}
 	}
-	exports.setRandomSupplyByType = setRandomSupplyByType;
+	scope.setRandomSupplyByType = setRandomSupplyByType;
 	
 	function getURL(window){
 		if (!window.location.href || window.location.href === "about:blank"){
@@ -34,7 +43,7 @@
 		return window.location.href;
 	}
 	
-	exports.intercept = function intercept({subject: window}, {check, checkStack, ask, notify, prefs}){
+	scope.intercept = function intercept({subject: window}, {check, checkStack, ask, notify, prefs}){
 		var siteStatus = check({url: getURL(window)});
 		if (siteStatus.mode !== "allow"){
 			apiNames.forEach(function(name){
@@ -51,7 +60,7 @@
 								{
 									enumerable: true,
 									configureable: false,
-									get: function(){
+									get: exportFunction(function()
 										var url = getURL(window);
 										if (!url){
 											return undef;
@@ -90,7 +99,7 @@
 										else {
 											return original;
 										}
-									}
+									}, window)
 								}
 							);
 						}
diff --git a/lib/require.js b/lib/require.js
new file mode 100644
index 0000000..642832a
--- /dev/null
+++ b/lib/require.js
@@ -0,0 +1,40 @@
+window.scope = {};
+function require(module){
+	if (module.startsWith("./")){
+		var scopeName = module.substr(2).replace(/\..+/, "");
+		return window.scope[scopeName];
+	}
+	else if (module === "chrome"){
+		return {
+			Cu: {exportFunction}
+		};
+	}
+	else if (module === "sdk/simple-prefs"){
+		return {
+			prefs: settings,
+			on: function(key, callback){
+				browser.storage.onChanged.addListener(function(changes, area){
+					if (area === "local"){
+						if (changes[key]){
+							callback();
+						}
+					}
+				});
+			}
+		}
+	}
+	else if (module === "sdk/l10n"){
+		return {
+			get: function(key){console.log(key);
+				return browser.i18n.getMessage(key);
+			}
+		}
+	}
+	else if (module === "sdk/url"){
+		return {
+			URL
+		}
+	}
+	console.error("Not able to get non relative modules!", module);
+	return undefined;
+}
\ No newline at end of file