diff --git a/content/bookmarks.js b/content/bookmarks.js
index cc9e7563..6c9cb994 100644
--- a/content/bookmarks.js
+++ b/content/bookmarks.js
@@ -665,7 +665,7 @@ vimperator.Marks = function() //{{{
         }
         else
         {
-            var pattern = new RegExp("[" + filter.replace(/\s+/g, '') + "]");
+            var pattern = new RegExp("[" + filter.replace(/\s+/g, "") + "]");
             for (var mark in url_marks)
             {
                 if (pattern.test(mark))
@@ -800,7 +800,7 @@ vimperator.QuickMarks = function() //{{{
 
     this.remove = function(filter)
     {
-        var pattern = new RegExp("[" + filter.replace(/\s+/g, '') + "]");
+        var pattern = new RegExp("[" + filter.replace(/\s+/g, "") + "]");
 
         for (var qmark in qmarks)
         {
diff --git a/content/buffers.js b/content/buffers.js
index a40e1c7c..7ebebb31 100644
--- a/content/buffers.js
+++ b/content/buffers.js
@@ -154,8 +154,8 @@ vimperator.Buffer = function() //{{{
         var result = doc.evaluate(expression, elem,
             function lookupNamespaceURI(prefix) {
               switch (prefix) {
-                case 'xhtml':
-                  return 'http://www.w3.org/1999/xhtml';
+                case "xhtml":
+                  return "http://www.w3.org/1999/xhtml";
                 default:
                   return null;
               }
diff --git a/content/commands.js b/content/commands.js
index cde5fda5..5c736b9a 100644
--- a/content/commands.js
+++ b/content/commands.js
@@ -102,8 +102,8 @@ vimperator.Command.prototype.hasName = function(name)
     // true if the candidate matches unambiguously
     function matchAbbreviation(name, format)
     {
-        var minimum = format.indexOf('[');                    // minumum number of characters for a command name match
-        var fullname = format.replace(/\[(\w+)\]$/, '$1');    // full command name
+        var minimum = format.indexOf("[");                    // minumum number of characters for a command name match
+        var fullname = format.replace(/\[(\w+)\]$/, "$1");    // full command name
         if (fullname.indexOf(name) == 0 && name.length >= minimum)
             return true;
         else
@@ -189,7 +189,7 @@ vimperator.Commands = function() //{{{
     this.parseCommand = function(str, tag)
     {
         // remove comments
-        str.replace(/\s*".*$/, '');
+        str.replace(/\s*".*$/, "");
 
         if (tag) // we already have a multiline heredoc construct
         {
@@ -220,7 +220,7 @@ vimperator.Commands = function() //{{{
                 matches[4] = tag[1];
         }
         else
-            matches[3] = '';
+            matches[3] = "";
 
         return matches;
     }
@@ -734,7 +734,7 @@ vimperator.Commands = function() //{{{
                     else
                     {
                         if (!reference[0]) {
-                            if (reference[2] == 'g')
+                            if (reference[2] == "g")
                                 reference[0] = vimperator.globalVariables;
                             else
                                 return; // for now
@@ -742,11 +742,11 @@ vimperator.Commands = function() //{{{
 
                         if (match[3])
                         {
-                            if (match[3] == '+')
+                            if (match[3] == "+")
                                 reference[0][reference[1]] += expr;
-                            else if (match[3] == '-')
+                            else if (match[3] == "-")
                                 reference[0][reference[1]] -= expr;
-                            else if (match[3] == '.')
+                            else if (match[3] == ".")
                                 reference[0][reference[1]] += expr.toString();
                         }
                         else
@@ -762,13 +762,13 @@ vimperator.Commands = function() //{{{
                     return vimperator.echoerr("E121: Undefined variable: " + match[1]);
 
                 var value = reference[0][reference[1]];
-                if (typeof value == 'number')
-                    var prefix = '#';
-                else if (typeof value == 'function')
-                    var prefix = '*';
+                if (typeof value == "number")
+                    var prefix = "#";
+                else if (typeof value == "function")
+                    var prefix = "*";
                 else
-                    var prefix = '';
-                vimperator.echo(reference[1] + '\t\t' + prefix + value);
+                    var prefix = "";
+                vimperator.echo(reference[1] + "\t\t" + prefix + value);
             }
         },
         {
@@ -798,8 +798,8 @@ vimperator.Commands = function() //{{{
 
             if (leader_reg.test(lhs))
             {
-                var leader_ref = vimperator.variableReference('mapleader');
-                var leader = leader_ref[0] ? leader_ref[0][leader_ref[1]] : '\\';
+                var leader_ref = vimperator.variableReference("mapleader");
+                var leader = leader_ref[0] ? leader_ref[0][leader_ref[1]] : "\\";
 
                 lhs = lhs.replace(leader_reg, leader);
             }
@@ -877,7 +877,7 @@ vimperator.Commands = function() //{{{
                 return;
             }
 
-            var filter = args.replace(/[^a-zA-Z]/g, '');
+            var filter = args.replace(/[^a-zA-Z]/g, "");
             vimperator.marks.list(filter);
         },
         {
@@ -1142,7 +1142,7 @@ vimperator.Commands = function() //{{{
                 return;
             }
 
-            var filter = args.replace(/[^a-zA-Z0-9]/g, '');
+            var filter = args.replace(/[^a-zA-Z0-9]/g, "");
             vimperator.quickmarks.list(filter);
         },
         {
@@ -1449,7 +1449,7 @@ vimperator.Commands = function() //{{{
             {
                 if (menu.childNodes[i].label == args)
                 {
-                    eval(menu.childNodes[i].getAttribute('oncommand'));
+                    eval(menu.childNodes[i].getAttribute("oncommand"));
                     break;
                 }
             }
@@ -1765,7 +1765,7 @@ vimperator.Commands = function() //{{{
                 return vimperator.echoerr("E471: Argument required");
 
             var names = args.split(/ /);
-            if (typeof names == 'string') names = [names];
+            if (typeof names == "string") names = [names];
             var length = names.length;
             for (var i = 0, name = names[i]; i < length; name = names[++i])
             {
diff --git a/content/completion.js b/content/completion.js
index 9534900d..384ea1cd 100644
--- a/content/completion.js
+++ b/content/completion.js
@@ -171,7 +171,7 @@ vimperator.Completion = function() // {{{
         get_longest_substring: function() //{{{
         {
             if (g_substrings.length == 0)
-                return '';
+                return "";
 
             var longest = g_substrings[0];
             for (var i = 1; i < g_substrings.length; i++)
@@ -198,13 +198,13 @@ vimperator.Completion = function() // {{{
             // join all completion arrays together
             for (var i = 0; i < cpt.length; i++)
             {
-                if (cpt[i] == 's')
+                if (cpt[i] == "s")
                     completions = completions.concat(this.get_search_completions(filter));
-                else if (cpt[i] == 'b')
+                else if (cpt[i] == "b")
                     completions = completions.concat(this.get_bookmark_completions(filter));
-                else if (cpt[i] == 'h')
+                else if (cpt[i] == "h")
                     completions = completions.concat(this.get_history_completions(filter));
-                else if (cpt[i] == 'f')
+                else if (cpt[i] == "f")
                     completions = completions.concat(this.get_file_completions(filter, true));
             }
 
@@ -402,7 +402,7 @@ vimperator.Completion = function() // {{{
             {
                 try
                 {
-                    title = getBrowser().getBrowserAtIndex(i).contentDocument.getElementsByTagName('title')[0].text;
+                    title = getBrowser().getBrowserAtIndex(i).contentDocument.getElementsByTagName("title")[0].text;
                 }
                 catch (e)
                 {
diff --git a/content/events.js b/content/events.js
index be815d61..6e6fc0d4 100644
--- a/content/events.js
+++ b/content/events.js
@@ -598,7 +598,7 @@ vimperator.Events = function() //{{{
         }
 
         var count_str = vimperator.input.buffer.match(/^[0-9]*/)[0];
-        var candidate_command = (vimperator.input.buffer + key).replace(count_str, '');
+        var candidate_command = (vimperator.input.buffer + key).replace(count_str, "");
         var map;
 
         // counts must be at the start of a complete mapping (10j -> go 10 lines down)
diff --git a/content/find.js b/content/find.js
index 712d8e91..4cebdf33 100644
--- a/content/find.js
+++ b/content/find.js
@@ -99,7 +99,7 @@ vimperator.Search = function() //{{{
         pattern = pattern.replace(/(\\)?\\[cC]/g, function($0, $1) { return $1 ? $0 : ""; });
 
         // remove any modifer escape \
-        pattern = pattern.replace(/\\(\\[cCuU])/g, '$1');
+        pattern = pattern.replace(/\\(\\[cCuU])/g, "$1");
 
         search_string = pattern;
     }
@@ -247,7 +247,7 @@ vimperator.Search = function() //{{{
         {
             for (var i = 0; i < win.frames.length; i++)
                 arguments.callee(win.frames[i]);
-            var spans = vimperator.buffer.evaluateXPath('//span[@id="__firefox-findbar-search-id"]', win.document);
+            var spans = vimperator.buffer.evaluateXPath("//span[@id='__firefox-findbar-search-id']", win.document);
             for (var i = 0; i < spans.snapshotLength; i++)
                 spans.snapshotItem(i).setAttribute("style", vimperator.options["hlsearchstyle"]);
         })(window.content);
diff --git a/content/help.js b/content/help.js
index c10fdf78..30650b02 100644
--- a/content/help.js
+++ b/content/help.js
@@ -104,7 +104,7 @@ vimperator.help = function(section, easter) //{{{
             // add more space between entries
             ret += separator;
         }
-        ret = ret.replace(new RegExp(separator + '$'), ''); // FIXME: far too tasty!
+        ret = ret.replace(new RegExp(separator + "$"), ""); // FIXME: far too tasty!
         return ret;
     }
 
@@ -121,7 +121,7 @@ vimperator.help = function(section, easter) //{{{
         }
         else
         {
-            if (typeof command.default_value == 'string' && command.default_value.length == 0)
+            if (typeof command.default_value == "string" && command.default_value.length == 0)
                 ret += "''";
             else
                 ret += command.default_value;
@@ -181,14 +181,14 @@ vimperator.help = function(section, easter) //{{{
         '<table class="vimperator mappings">';
     mappings += makeHelpString(vimperator.mappings, "", "", null);
     mappings += '</table>';
-    if (section && section == 'holy-grail')
+    if (section && section == "holy-grail")
         mappings += '<div><p id="holy-grail">You found it, Arthur!</p></div>\n';
 
     var commands = '<span style="float: right"><code class="tag">commands</code></span><h2 id="commands">Commands</h2>' +
         '<table class="vimperator commands">\n';
     commands += makeHelpString(vimperator.commands, ":", "", null);
     commands += '</table>';
-    if (section && section == '42')
+    if (section && section == "42")
         commands += '<div><p id="42">What is the meaning of life, the universe and everything?<br/>' +
                     'Douglas Adams, the only person who knew what this question really was about is<br/>' +
                     'now dead, unfortunately.  So now you might wonder what the meaning of death<br/>' +
@@ -268,9 +268,9 @@ vimperator.help = function(section, easter) //{{{
             if (!element)
             {
                 var firstChar = section.charAt(0);
-                if (firstChar != ':' && firstChar != "'")
+                if (firstChar != ":" && firstChar != "'")
                 {
-                    element = findSectionElement(':' + section);
+                    element = findSectionElement(":" + section);
                     if (!element)
                         element = findSectionElement("'" + section + "'");
                 }
diff --git a/content/hints.js b/content/hints.js
index 93f2d9f7..d6dc04c3 100644
--- a/content/hints.js
+++ b/content/hints.js
@@ -24,7 +24,7 @@
 
 vimperator.Hints = function() //{{{
 {
-    const HINT_PREFIX = 'hah_hint_'; // prefix for the hint id
+    const HINT_PREFIX = "hah_hint_"; // prefix for the hint id
 
     this.hintedElements = function() { return hintedElems; };
     this.currentState = function() { return state;};
@@ -145,15 +145,15 @@ vimperator.Hints = function() //{{{
 
         var elem, i;
 
-        hintElemSpan = doc.createElement('SPAN');
+        hintElemSpan = doc.createElement("SPAN");
         hintElemSpan.style.cssText = vimperator.options["hintstyle"];
-        hintElemSpan.setAttribute('name', 'hah_hint');
+        hintElemSpan.setAttribute("name", "hah_hint");
 
-        var hintContainer = doc.getElementById('hah_hints');
+        var hintContainer = doc.getElementById("hah_hints");
         if (hintContainer == null)
         {
             genHintContainer(doc);
-            hintContainer = doc.getElementById('hah_hints');
+            hintContainer = doc.getElementById("hah_hints");
             if (!hintContainer)
                 return false;
         }
@@ -192,7 +192,7 @@ vimperator.Hints = function() //{{{
                 hintContainer.appendChild(hintElem);
             }
 
-            hintElem.style.display = 'none';
+            hintElem.style.display = "none";
             hintElem.style.top = elem.absoTop + "px";
             hintElem.style.left = elem.absoLeft + "px";
             hintElem.refElem = elem;
@@ -223,7 +223,7 @@ vimperator.Hints = function() //{{{
             // FIXME: this.disableHahMode(win);
             vimperator.setMode(vimperator.modes.NORMAL);
             isHahModeEnabled = false;
-            linkNumString = '';
+            linkNumString = "";
             hintedElems = [];
 
             return;
@@ -231,7 +231,7 @@ vimperator.Hints = function() //{{{
 
         var doc = win.document;
         var hintElem = null;
-        var hintContainer = doc.getElementById('hah_hints');
+        var hintContainer = doc.getElementById("hah_hints");
         var hints = hintContainer.childNodes;
         var i, j;
 
@@ -239,8 +239,8 @@ vimperator.Hints = function() //{{{
         {
             hintText = formatHint(offset+i);
             hintElem = hints[i];
-            hintElem.style.display = 'inline';
-            //hintElem.style.position = 'absolute';
+            hintElem.style.display = "inline";
+            //hintElem.style.position = "absolute";
             hintElem.innerHTML = hintText;
             hintElem.id = HINT_PREFIX + hintText;
         }
@@ -267,7 +267,7 @@ vimperator.Hints = function() //{{{
         {
             elem = res.snapshotItem(i);
             setHintStyle(elem, vimperator.options["hintstyle"]);
-            elem.style.display = 'none';
+            elem.style.display = "none";
         }
 
         for (i = 0; i < win.frames.length; i++)
@@ -337,7 +337,7 @@ vimperator.Hints = function() //{{{
         var str = hintNum.toString(hintCharacters.length); // turn hintNum into a base(length) number
 
         // map the number onto the chars in the numbers string
-        var result = '';
+        var result = "";
         // make all links the same length
         var hintLength = 1;
         var tmp = linkCount;
@@ -405,7 +405,7 @@ vimperator.Hints = function() //{{{
         vimperator.setMode(vimperator.modes.HINTS, mode);
         state = 0;
         linkCount = 0;
-        linkNumString = '';
+        linkNumString = "";
         isHahModeEnabled = true;
 
         createHints();
@@ -431,7 +431,7 @@ vimperator.Hints = function() //{{{
 
         vimperator.setMode(vimperator.modes.NORMAL);
         isHahModeEnabled = false;
-        linkNumString = '';
+        linkNumString = "";
         hintedElems = [];
 
         removeHints(win);
@@ -440,7 +440,7 @@ vimperator.Hints = function() //{{{
 
     this.resetHintedElements = function()
     {
-        linkNumString = '';
+        linkNumString = "";
         state = 0;
 
         while (hintedElems.length > 0)
@@ -486,11 +486,11 @@ vimperator.Hints = function() //{{{
             var elemTagName = elem.localName.toLowerCase();
             elem.focus();
 
-            if (elemTagName == 'frame' || elemTagName == 'iframe')
+            if (elemTagName == "frame" || elemTagName == "iframe")
                 return 0;
 
             // for imagemap
-            if (elemTagName == 'area')
+            if (elemTagName == "area")
             {
                 var coords = elem.getAttribute("coords").split(",");
                 x = Number(coords[0]);
@@ -499,12 +499,12 @@ vimperator.Hints = function() //{{{
             var doc = window.content.document;
             var view = window.document.defaultView;
 
-            var evt = doc.createEvent('MouseEvents');
-            evt.initMouseEvent('mousedown', true, true, view, 1, x + 1, y + 1, 0, 0, /*ctrl*/ new_tab, /*event.altKey*/0, /*event.shiftKey*/ new_window, /*event.metaKey*/ new_tab, 0, null);
+            var evt = doc.createEvent("MouseEvents");
+            evt.initMouseEvent("mousedown", true, true, view, 1, x + 1, y + 1, 0, 0, /*ctrl*/ new_tab, /*event.altKey*/0, /*event.shiftKey*/ new_window, /*event.metaKey*/ new_tab, 0, null);
             elem.dispatchEvent(evt);
 
-            var evt = doc.createEvent('MouseEvents');
-            evt.initMouseEvent('click', true, true, view, 1, x + 1, y + 1, 0, 0, /*ctrl*/ new_tab, /*event.altKey*/0, /*event.shiftKey*/ new_window, /*event.metaKey*/ new_tab, 0, null);
+            var evt = doc.createEvent("MouseEvents");
+            evt.initMouseEvent("click", true, true, view, 1, x + 1, y + 1, 0, 0, /*ctrl*/ new_tab, /*event.altKey*/0, /*event.shiftKey*/ new_window, /*event.metaKey*/ new_tab, 0, null);
             elem.dispatchEvent(evt);
 
             // for 'pure' open calls without a new tab or window it doesn't
@@ -525,7 +525,7 @@ vimperator.Hints = function() //{{{
         for (var i = 0; i < elems.length; i++)
         {
             tmp = elems[i].refElem.href;
-            if (typeof(tmp) != 'undefined' && tmp.length > 0)
+            if (typeof(tmp) != "undefined" && tmp.length > 0)
             {
                 if (i > 0)
                     loc += "\n";
@@ -548,7 +548,7 @@ vimperator.Hints = function() //{{{
         for (var i = 0; i < elems.length; i++)
         {
             tmp = elems[i].refElem.textContent;
-            if (typeof(tmp) != 'undefined' && tmp.length > 0)
+            if (typeof(tmp) != "undefined" && tmp.length > 0)
             {
                 if (i > 0)
                     loc += "\n";
@@ -590,7 +590,7 @@ vimperator.Hints = function() //{{{
         var doc = window.document;
         var elemTagName = elem.localName.toLowerCase();
 
-        if (elemTagName == 'frame' || elemTagName == 'iframe')
+        if (elemTagName == "frame" || elemTagName == "iframe")
         {
             elem.contentWindow.focus();
             return;
@@ -600,18 +600,18 @@ vimperator.Hints = function() //{{{
         //    elem.focus();
         //}
 
-        var evt = doc.createEvent('MouseEvents');
+        var evt = doc.createEvent("MouseEvents");
         var x = 0;
         var y = 0;
         // for imagemap
-        if (elemTagName == 'area')
+        if (elemTagName == "area")
         {
             var coords = elem.getAttribute("coords").split(",");
             x = Number(coords[0]);
             y = Number(coords[1]);
         }
 
-        evt.initMouseEvent('mouseover', true, true, doc.defaultView, 1, x, y, 0, 0, 0, 0, 0, 0, 0, null);
+        evt.initMouseEvent("mouseover", true, true, doc.defaultView, 1, x, y, 0, 0, 0, 0, 0, 0, 0, null);
         elem.dispatchEvent(evt);
     }
 
@@ -635,7 +635,7 @@ vimperator.Hints = function() //{{{
         if (num != null && hintCharacters.toUpperCase().indexOf(num) > -1)
         {
             var oldLinkNumString = linkNumString;
-            linkNumString += '' + num;
+            linkNumString += "" + num;
             // update reference to currently selected node;
             var elem = getHintById(linkNumString);
             changeHintFocus(linkNumString, oldLinkNumString);
@@ -644,7 +644,7 @@ vimperator.Hints = function() //{{{
             if (elem)
             {
                 hintedElems.push(elem);
-                linkNumString = '';
+                linkNumString = "";
                 state = 1;
                 return hintedElems.length;
             }
@@ -666,10 +666,10 @@ vimperator.Hints = function() //{{{
 
     function genHintContainer(doc)
     {
-        if (doc.getElementsByTagName('HINTS').length > 0)
+        if (doc.getElementsByTagName("HINTS").length > 0)
             return;
 
-        hints = doc.createElement('HINTS');
+        hints = doc.createElement("HINTS");
         hints.id = "hah_hints";
         hints.valid_hint_count = 0; // initially 0 elements are usable as hints
 
@@ -703,7 +703,7 @@ vimperator.Hints = function() //{{{
         {
             state = 0;
             linkCount = 0;
-            linkNumString = '';
+            linkNumString = "";
             isHahModeEnabled = true;
 
             setTimeout( function() {
diff --git a/content/io.js b/content/io.js
index 54d58e27..9161155e 100644
--- a/content/io.js
+++ b/content/io.js
@@ -49,7 +49,7 @@ vimperator.IO = function()
 
             // TODO: proper pathname separator translation like Vim
             if (WINDOWS)
-                path = path.replace('/', '\\', 'g');
+                path = path.replace("/", "\\", "g");
 
             // expand "~" to VIMPERATOR_HOME or HOME (USERPROFILE or HOMEDRIVE\HOMEPATH on Windows if HOME is not set)
             if (/^~/.test(path))
diff --git a/content/mappings.js b/content/mappings.js
index b0d0ec9e..1a50321d 100644
--- a/content/mappings.js
+++ b/content/mappings.js
@@ -499,7 +499,7 @@ vimperator.Mappings = function() //{{{
             flags: vimperator.Mappings.flags.COUNT
         }
     ));
-    addDefaultMap(new vimperator.Map(vimperator.modes.NORMAL, ['<C-^>', '<C-6>'],
+    addDefaultMap(new vimperator.Map(vimperator.modes.NORMAL, ["<C-^>", "<C-6>"],
         function()
         {
             if (vimperator.tabs.getTab() == vimperator.tabs.alternate)
@@ -522,7 +522,7 @@ vimperator.Mappings = function() //{{{
         },
         {
             short_help: "Select the alternate tab",
-            usage: ['<C-^>'],
+            usage: ["<C-^>"],
             help: "The alternate tab is the last selected tab. This provides a quick method of toggling between two tabs."
         }
     ));
@@ -1077,14 +1077,14 @@ vimperator.Mappings = function() //{{{
         }
     ));
     addDefaultMap(new vimperator.Map(vimperator.modes.HINTS, [","],
-        function() { vimperator.input.buffer += ','; vimperator.hints.setCurrentState(0); },
+        function() { vimperator.input.buffer += ","; vimperator.hints.setCurrentState(0); },
         {
             cancel_mode: false,
             always_active: true
         }
     ));
     addDefaultMap(new vimperator.Map(vimperator.modes.HINTS, [":"],
-        function() { vimperator.commandline.open(':', '', vimperator.modes.EX); },
+        function() { vimperator.commandline.open(":", "", vimperator.modes.EX); },
         {
             cancel_mode: false,
             always_active: true
@@ -1173,14 +1173,14 @@ vimperator.Mappings = function() //{{{
 
     // tab management
     addDefaultMap(new vimperator.Map(vimperator.modes.HINTS, ["<C-n>"],
-        function() { vimperator.tabs.select('+1', true); },
+        function() { vimperator.tabs.select("+1", true); },
         {
             cancel_mode: true,
             always_active: true
         }
     )); // same as gt, but no count supported
     addDefaultMap(new vimperator.Map(vimperator.modes.HINTS, ["<C-p>"],
-        function() { vimperator.tabs.select('-1', true); },
+        function() { vimperator.tabs.select("-1", true); },
         {
             cancel_mode: true,
             always_active: true
diff --git a/content/options.js b/content/options.js
index fbd5aee0..d9226b02 100644
--- a/content/options.js
+++ b/content/options.js
@@ -296,14 +296,14 @@ vimperator.Options = function() //{{{
     //
 
     // work around firefox popup blocker
-    var popup_allowed_events = loadPreference('dom.popup_allowed_events', 'change click dblclick mouseup reset submit');
+    var popup_allowed_events = loadPreference("dom.popup_allowed_events", "change click dblclick mouseup reset submit");
     if (!popup_allowed_events.match("keypress"))
-        storePreference('dom.popup_allowed_events', popup_allowed_events + " keypress");
+        storePreference("dom.popup_allowed_events", popup_allowed_events + " keypress");
 
     // TODO: shouldn't we be resetting these in destroy() as well?
     // we have our own typeahead find implementation
-    storePreference('accessibility.typeaheadfind.autostart', false);
-    storePreference('accessibility.typeaheadfind', false); // actually the above setting should do it, but has no effect in firefox
+    storePreference("accessibility.typeaheadfind.autostart", false);
+    storePreference("accessibility.typeaheadfind", false); // actually the above setting should do it, but has no effect in firefox
 
     // start with saved session
     storePreference("browser.startup.page", 3);
@@ -337,9 +337,9 @@ vimperator.Options = function() //{{{
     this.destroy = function()
     {
         // reset some modified firefox prefs
-        if (loadPreference('dom.popup_allowed_events', 'change click dblclick mouseup reset submit')
+        if (loadPreference("dom.popup_allowed_events", "change click dblclick mouseup reset submit")
                 == popup_allowed_events + " keypress")
-            storePreference('dom.popup_allowed_events', popup_allowed_events);
+            storePreference("dom.popup_allowed_events", popup_allowed_events);
     }
 
     this.list = function(only_non_default)
diff --git a/content/ui.js b/content/ui.js
index 91a851eb..0f7d49e0 100644
--- a/content/ui.js
+++ b/content/ui.js
@@ -100,11 +100,11 @@ vimperator.CommandLine = function() //{{{
     var completion_index = UNINITIALIZED;
 
     // the containing box for the prompt_widget and command_widget
-    var commandline_widget = document.getElementById('vimperator-commandline');
+    var commandline_widget = document.getElementById("vimperator-commandline");
     // the prompt for the current command, for example : or /. Can be blank
-    var prompt_widget = document.getElementById('vimperator-commandline-prompt');
+    var prompt_widget = document.getElementById("vimperator-commandline-prompt");
     // the command bar which contains the current command
-    var command_widget = document.getElementById('vimperator-commandline-command');
+    var command_widget = document.getElementById("vimperator-commandline-command");
 
     // the widget used for multiline output
     var multiline_output_widget = document.getElementById("vimperator-multiline-output");
@@ -520,11 +520,11 @@ vimperator.CommandLine = function() //{{{
                 var longest = false;
                 var full = false;
                 var wildtype = wim[wild_index++] || wim[wim.length - 1];
-                if (wildtype == 'list' || wildtype == 'list:full' || wildtype == 'list:longest')
+                if (wildtype == "list" || wildtype == "list:full" || wildtype == "list:longest")
                     has_list = true;
-                if (wildtype == 'longest' || wildtype == 'list:longest')
+                if (wildtype == "longest" || wildtype == "list:longest")
                     longest = true;
-                else if (wildtype == 'full' || wildtype == 'list:full')
+                else if (wildtype == "full" || wildtype == "list:full")
                     full = true;
 
                 // show the list
diff --git a/content/util.js b/content/util.js
index 4327d47c..c81fb159 100644
--- a/content/util.js
+++ b/content/util.js
@@ -93,7 +93,7 @@ vimperator.util = {
             var matches;
 
             // strip each 'URL' - makes things simpler later on
-            urls[url] = urls[url].replace(/^\s+/, '').replace(/\s+$/, '');
+            urls[url] = urls[url].replace(/^\s+/, "").replace(/\s+$/, "");
 
             // FIXME: not really that good (doesn't handle .. in the middle)
             // check for ./ and ../ (or even .../) to go to a file in the upper directory
diff --git a/content/vimperator.js b/content/vimperator.js
index 1a4fa6a4..bd32f6cd 100644
--- a/content/vimperator.js
+++ b/content/vimperator.js
@@ -73,9 +73,9 @@ const vimperator = (function() //{{{
     var callbacks = [];
 
     // our services
-    var sound_service = Components.classes['@mozilla.org/sound;1']
+    var sound_service = Components.classes["@mozilla.org/sound;1"]
         .getService(Components.interfaces.nsISound);
-    var console_service = Components.classes['@mozilla.org/consoleservice;1']
+    var console_service = Components.classes["@mozilla.org/consoleservice;1"]
         .getService(Components.interfaces.nsIConsoleService);
     var environment_service = Components.classes["@mozilla.org/process/environment;1"]
         .getService(Components.interfaces.nsIEnvironment);
@@ -243,7 +243,7 @@ const vimperator = (function() //{{{
             if (!modifiers)
                 modifiers = {};
 
-            var [count, cmd, special, args] = vimperator.commands.parseCommand(str.replace(/^'(.*)'$/, '$1'));
+            var [count, cmd, special, args] = vimperator.commands.parseCommand(str.replace(/^'(.*)'$/, "$1"));
             var command = vimperator.commands.get(cmd);
 
             if (command === null)
@@ -406,7 +406,7 @@ const vimperator = (function() //{{{
             if (typeof msg == "object")
                 msg = this.objectToString(msg, false);
 
-            console_service.logStringMessage('vimperator: ' + msg);
+            console_service.logStringMessage("vimperator: " + msg);
         },
 
         // open one or more URLs