diff --git a/AppKit/CPApplication.j b/AppKit/CPApplication.j
index 68b256c5f..63b1691a3 100644
--- a/AppKit/CPApplication.j
+++ b/AppKit/CPApplication.j
@@ -250,8 +250,13 @@ CPRunContinuesResponse  = -1002;
         _documentController = [CPDocumentController sharedDocumentController];
 
     var needsUntitled = !!_documentController,
-        URLStrings = window.cpOpeningURLStrings && window.cpOpeningURLStrings(),
-        index = 0,
+        URLStrings = nil;
+
+#if PLATFORM(DOM)
+    URLStrings = window.cpOpeningURLStrings && window.cpOpeningURLStrings();
+#endif
+
+    var index = 0,
         count = [URLStrings count];
 
     for (; index < count; ++index)
@@ -1009,7 +1014,8 @@ CPRunContinuesResponse  = -1002;
 */
 - (CPArray)arguments
 {
-    if (_fullArgsString !== window.location.hash)
+    // FIXME This should probably not access the window object #if !PLATFORM(DOM), but the unit tests rely on it.
+    if (window && window.location && _fullArgsString !== window.location.hash)
         [self _reloadArguments];
 
     return _args;
@@ -1036,8 +1042,9 @@ CPRunContinuesResponse  = -1002;
     if (!args || args.length == 0)
     {
         _args = [];
+#if PLATFORM(DOM)
         window.location.hash = @"#";
-
+#endif
         return;
     }
 
@@ -1052,12 +1059,15 @@ CPRunContinuesResponse  = -1002;
 
     var hash = [toEncode componentsJoinedByString:@"/"];
 
+#if PLATFORM(DOM)
     window.location.hash = @"#" + hash;
+#endif
 }
 
 - (void)_reloadArguments
 {
-    _fullArgsString = window.location.hash;
+    // FIXME This should probably not access the window object #if !PLATFORM(DOM), but the unit tests rely on it.
+    _fullArgsString = (window && window.location) ? window.location.hash : "";
 
     if (_fullArgsString.length)
     {
diff --git a/AppKit/CPFontManager.j b/AppKit/CPFontManager.j
index cee4f062d..cfeede594 100644
--- a/AppKit/CPFontManager.j
+++ b/AppKit/CPFontManager.j
@@ -99,6 +99,9 @@ var CPSharedFontManager     = nil,
 {
     if (!_availableFonts)
     {
+        _availableFonts = [];
+
+#if PLATFORM(DOM)
         _CPFontDetectSpan = document.createElement("span");
         _CPFontDetectSpan.fontSize = "24px";
         _CPFontDetectSpan.appendChild(document.createTextNode("mmmmmmmmmml"));
@@ -110,13 +113,16 @@ var CPSharedFontManager     = nil,
 
         _CPFontDetectReferenceFonts = _CPFontDetectPickTwoDifferentFonts(["monospace", "serif", "sans-serif", "cursive"]);
 
-        _availableFonts = [];
         for (var i = 0; i < _CPFontDetectAllFonts.length; i++)
         {
             var available = _CPFontDetectFontAvailable(_CPFontDetectAllFonts[i]);
             if (available)
                 _availableFonts.push(_CPFontDetectAllFonts[i]);
         }
+#else
+        // If there's no font detection, just assume all fonts are available.
+        _availableFonts = _CPFontDetectAllFonts;
+#endif
     }
     return _availableFonts;
 }
diff --git a/AppKit/CPWindow/CPWindow.j b/AppKit/CPWindow/CPWindow.j
index c1e14a813..ffd7de7e6 100644
--- a/AppKit/CPWindow/CPWindow.j
+++ b/AppKit/CPWindow/CPWindow.j
@@ -1858,7 +1858,7 @@ CPTexturedBackgroundWindowMask
 {
     // In Cocoa only resizable or titled windows return YES here by default. But the main browser window in Cappuccino
     // doesn't have these masks even that it's both titled and resizable, so we return YES when isFullPlatformWindow too.
-    return (_styleMask & CPResizableWindowMask) || (_styleMask & CPResizableWindowMask) || [self isFullPlatformWindow];
+    return (_styleMask & CPTitledWindowMask) || (_styleMask & CPResizableWindowMask) || [self isFullPlatformWindow];
 }
 
 /*!
diff --git a/Foundation/CPTimer.j b/Foundation/CPTimer.j
index 6edfa4818..19cca083b 100644
--- a/Foundation/CPTimer.j
+++ b/Foundation/CPTimer.j
@@ -254,6 +254,9 @@ var _CPTimerBridgeTimer = function(codeOrFunction, aDelay, shouldRepeat, functio
         theFunction = function() { codeOrFunction.apply(window, functionArgs); if (!shouldRepeat) CPTimersForTimeoutIDs[timeoutID] = nil; }
     }
 
+    // A call such as setTimeout(f) is technically invalid but browsers seem to treat it as setTimeout(f, 0), so so will we.
+    aDelay = aDelay | 0.0;
+
     CPTimersForTimeoutIDs[timeoutID] = [CPTimer scheduledTimerWithTimeInterval:aDelay / 1000 callback:theFunction repeats:shouldRepeat];
 
     return timeoutID;
diff --git a/Tests/AppKit/CPApplicationTest.j b/Tests/AppKit/CPApplicationTest.j
index 35b14ec98..f3ceefb57 100644
--- a/Tests/AppKit/CPApplicationTest.j
+++ b/Tests/AppKit/CPApplicationTest.j
@@ -195,7 +195,7 @@ globalResults = [];
     [[CPNotificationCenter defaultCenter] addObserver:self
                                              selector:@selector(receiveNotification:)
                                                  name:CPApplicationWillTerminateNotification
-                                              object:nil];
+                                               object:nil];
 
     [app replyToApplicationShouldTerminate:CPTerminateNow];
     [self assert:CPApplicationWillTerminateNotification equals:[globalResults[0] name]];
@@ -223,8 +223,8 @@ globalResults = [];
 
 - (void)testTargetForAction
 {
-    var mainWin = [[TestMainWindow alloc] init];
-    var keyWin = [[TestKeyWindow alloc] init];
+    var mainWin = [[TestMainWindow alloc] init],
+        keyWin = [[TestKeyWindow alloc] init];
     mainWin._isVisible = YES;
     keyWin._isVisible = YES;
     [mainWin makeMainWindow];
@@ -252,6 +252,6 @@ globalResults = [];
 
     // when no target is given, targetForAction is called
     [self assert:app equals:[app targetForAction:@selector(someTestMethod:) to:nil from:nil]];
-
 }
+
 @end