Index: gc_lang/fr/tb/content/spellchecker.js
==================================================================
--- gc_lang/fr/tb/content/spellchecker.js
+++ gc_lang/fr/tb/content/spellchecker.js
@@ -15,10 +15,11 @@
 */
 
 "use strict";
 
 /*
+// Loaded in another file
 const Cc = Components.classes;
 const Ci = Components.interfaces;
 const Cu = Components.utils;
 const { require } = Cu.import("resource://gre/modules/commonjs/toolkit/require.js", {});
 */
@@ -25,34 +26,27 @@
 
 
 const FileUtils = Cu.import("resource://gre/modules/FileUtils.jsm").FileUtils;
 const AddonManager = Cu.import("resource://gre/modules/AddonManager.jsm").AddonManager;
 
-/*
-const parser = Cc["@mozilla.org/parserutils;1"].getService(Ci.nsIParserUtils);
-const persodict = Cc["@mozilla.org/spellchecker/personaldictionary;1"].getService(Ci.mozIPersonalDictionary);
-*/
-
-//const system = require("sdk/system");
-
 
 var oSpellControl = {
 	xSCEngine: null,
 	init: function () {
 		if (this.xSCEngine === null) {
 			try {
 				let sSpellchecker = "@mozilla.org/spellchecker/myspell;1";
 				if ("@mozilla.org/spellchecker/hunspell;1" in Cc) {
-				    sSpellchecker = "@mozilla.org/spellchecker/hunspell;1";
+					sSpellchecker = "@mozilla.org/spellchecker/hunspell;1";
 				}
 				if ("@mozilla.org/spellchecker/engine;1" in Cc) {
-				    sSpellchecker = "@mozilla.org/spellchecker/engine;1";
+					sSpellchecker = "@mozilla.org/spellchecker/engine;1";
 				}
 				this.xSCEngine = Cc[sSpellchecker].getService(Ci.mozISpellCheckingEngine);
 			}
 			catch (e) {
-				echo("Can’t initiate the spellchecker.");
+				console.log("Can’t initiate the spellchecker.");
 				Cu.reportError(e);
 			}
 		}
 	},
 	getDictionariesList: function () {
@@ -77,12 +71,12 @@
 			catch (e) {
 				Cu.reportError(e);
 				return false;
 			}
 		} else {
-			echo("Warning. No dictionary for locale: " + sLocale);
-			echo("Existing dictionaries: " + this.getDictionariesList().join(" | "));
+			console.log("Warning. No dictionary for locale: " + sLocale);
+			console.log("Existing dictionaries: " + this.getDictionariesList().join(" | "));
 		}
 		return false;
 	},
 	check: function (sWord) {
 		// todo: check in personal dict?
@@ -97,11 +91,11 @@
 	suggest: function (sWord) {
 		try {
 			let lSugg = {};
 			this.xSCEngine.suggest(sWord, lSugg, {});
 			return lSugg.value;
-		   	// lSugg.value is a JavaScript Array of strings
+			// lSugg.value is a JavaScript Array of strings
 		}
 		catch (e) {
 			Cu.reportError(e);
 			return ['#Erreur.'];
 		}
@@ -110,11 +104,11 @@
 		try {
 			let xNsiFolder = new FileUtils.File(sFolder);
 			this.xSCEngine.addDirectory(xNsiFolder);
 		}
 		catch (e) {
-			echo("Unable to add directory: " + sFolder);
+			console.log("Unable to add directory: " + sFolder);
 			Cu.reportError(e);
 		}
 	},
 	removeDirectory: function (sFolder) {
 		// does not work but no exception raised (bug?)
@@ -121,35 +115,37 @@
 		try {
 			let xNsiFolder = new FileUtils.File(sFolder);
 			this.xSCEngine.removeDirectory(xNsiFolder);
 		}
 		catch (e) {
-			echo("Unable to remove directory: " + sFolder);
+			console.log("Unable to remove directory: " + sFolder);
 			Cu.reportError(e);
 		}
 	},
 	setExtensionDictFolder: function (sDictName, bActivate) {
 		try {
 			let that = this;
 			let sPath = "/content/dictionaries/" + sDictName;
 			AddonManager.getAddonByID("French-GC-TB@grammalecte.net", function (addon) {
 				let xURI = addon.getResourceURI(sPath);
-				console.log("> " + xURI.path);
-				let sFolder = xURI.path;
-				//if (system.platform === "winnt") {
-				if (sFolder) {
-					sFolder = sFolder.slice(1).replace(/\//g, "\\\\");
-				}
-				console.log("> " + sFolder);
-				if (bActivate) {
-					that.addDirectory(sFolder);
-				} else {
-					that.removeDirectory(sFolder);
+				//console.log(xURI);
+				let sFolder = xURI.filePath;
+				if (sFolder !== undefined) {
+					if (/^\/[A-Z]:\//.test(sFolder)) {
+						// Windows path
+						sFolder = sFolder.slice(1).replace(/\//g, "\\\\");
+					}
+					console.log("folder: " + sFolder);
+					if (bActivate) {
+						that.addDirectory(sFolder);
+					} else {
+						that.removeDirectory(sFolder);
+					}
 				}
 			});
 		}
 		catch (e) {
-			echo("Unable to add extension folder");
+			console.log("Unable to add extension folder");
 			Cu.reportError(e);
 		}
 	}
 };