diff --git a/Tools/nib2cib/main.j b/Tools/nib2cib/main.j
index 7ab91ef33..50d8348a3 100644
--- a/Tools/nib2cib/main.j
+++ b/Tools/nib2cib/main.j
@@ -574,38 +574,142 @@ function loadTheme(themeName, themeDir)
     return readTheme(themeName, themePath);
 }
 
-function readTheme(name, path)
+function readTheme(themeName, themePath)
 {
-    var themeBundle = new CFBundle(path);
+    var theme = null;
 
-    // By default when we try to load the bundle it will use the CommonJS environment,
-    // but we want the Browser environment. So we override mostEligibleEnvironment().
-    themeBundle.mostEligibleEnvironment = function() { return "Browser"; }
-    themeBundle.load();
+    try
+    {
+        theme = new Theme(themePath);
 
-    var keyedThemes = themeBundle.valueForInfoDictionaryKey("CPKeyedThemes");
+        if (!theme)
+            fail("Could not unarchive the theme at: " + themePath);
+    }
+    catch (ex)
+    {
+        fail(ex);
+    }
 
-    if (!keyedThemes)
-        fail("Could not find the keyed themes in the theme: " + path);
+    CPLog.debug("Loaded theme: " + themePath);
 
-    var index = keyedThemes.indexOf(name + ".keyedtheme");
+    return theme.theme();
+}
 
-    if (index < 0)
-        fail("Could not find the main theme data (" + name + ".keyedtheme" + ") in the theme: " + path);
+var Theme = function(blendPath)
+{
+    this._theme = null;
+    this._themeName = FILE.basename(blendPath, FILE.extension(blendPath));
+    this._blendPath = FILE.join(blendPath, "Browser.Environment", FILE.basename(blendPath) + ".sj");
 
-    // Load the keyed theme data, making sure to resolve it
-    var resourcePath = themeBundle.pathForResource(keyedThemes[index]),
-        themeData = new CFMutableData();
+    if (!FILE.exists(this._blendPath))
+        throw "Could not find the theme blend: " + this._blendPath;
 
-    themeData.setRawString(StaticResource.resourceAtURL(new CFURL(resourcePath), true).contents());
+    var data = new StaticResourceData(FILE.read(this._blendPath)),
+        keyedTheme = data.readResource(this._themeName + ".keyedtheme");
 
-    var theme = [CPKeyedUnarchiver unarchiveObjectWithData:themeData];
+    if (!keyedTheme)
+        throw "Could not find the keyed theme data in the theme at: " + this._blendPath;
 
-    if (!theme)
-        fail("Could not unarchive the theme at: " + path);
+    keyedTheme = CFPropertyList.propertyListFromString(keyedTheme);
 
-    CPLog.debug("Loaded theme: " + path);
-    return theme;
+    this._theme = [CPKeyedUnarchiver unarchiveObjectWithData:[CPData dataWithPlistObject:keyedTheme]];
+};
+
+Theme.prototype.theme = function()
+{
+    return this._theme;
+}
+
+var StaticResourceData = function(data)
+{
+    if (!data)
+        throw "StaticResourceData: no data";
+
+    this._data = data;
+
+    // Skip the header
+    this._mark = "@STATIC;".length;
+
+    // After the header is the version
+    this._version = this.readFloatItem();
+}
+
+StaticResourceData.prototype.readResource = function(name)
+{
+    name = "Resources/" + name;
+
+    while (true)
+    {
+        var resourceName = this.readStringItem();
+
+        this._mark += 2;  // skip "t;"
+
+        var resourceLength = this.readIntItem();
+
+        if (resourceName == name)
+            return this.readDataItem(resourceLength);
+
+        this._mark += resourceLength;
+
+        if (this._data.substr(this._mark, 2) == "e;")
+            return null;
+    }
+
+    return null;
+}
+
+StaticResourceData.prototype.readIntItem = function()
+{
+    var endPos = this.endOfItem(),
+        value = parseInt(this._data.substring(this._mark, endPos), 10);
+
+    this._mark = endPos + 1;
+
+    return value;
+}
+
+StaticResourceData.prototype.readFloatItem = function()
+{
+    var endPos = this.endOfItem(this._data),
+        value = parseFloat(this._data.substring(this._mark, endPos));
+
+    this._mark = endPos + 1;
+
+    return value;
+}
+
+StaticResourceData.prototype.readStringItem = function()
+{
+    if (this._data.substr(this._mark, 2) !== "p;")
+        throw "StaticResourceData: expected string item at position " + this._mark + ", found '" + this._data.substr(this._mark, 2) + "'";
+
+    this._mark += 2;  // skip "p;"
+
+    var length = this.readIntItem(),
+        value = this._data.substr(this._mark, length);
+
+    this._mark += length;
+
+    return value;
+}
+
+StaticResourceData.prototype.endOfItem = function()
+{
+    var endPos = this._data.indexOf(";", this._mark);
+
+    if (endPos < 0)
+        throw "StaticResourceData: could not find item terminator";
+
+    return endPos;
+}
+
+StaticResourceData.prototype.readDataItem = function(dataLength)
+{
+    var data = this._data.substr(this._mark, dataLength);
+
+    this._mark += dataLength;
+
+    return data;
 }
 
 function readConfigFile(configFile, inputFile)