diff --git a/OpenRA.Launcher.Mac/Controller.h b/OpenRA.Launcher.Mac/Controller.h
index d16ba4bcff..c0084d50c3 100644
--- a/OpenRA.Launcher.Mac/Controller.h
+++ b/OpenRA.Launcher.Mac/Controller.h
@@ -26,5 +26,5 @@
 - (void)populateModInfo;
 - (SidebarEntry *)sidebarModsTree;
 - (SidebarEntry *)sidebarOtherTree;
-
+- (BOOL)downloadUrl:(NSString *)url intoCache:(NSString *)filename withId:(NSString *)key;
 @end
diff --git a/OpenRA.Launcher.Mac/Controller.m b/OpenRA.Launcher.Mac/Controller.m
index be31fcda18..bb4c8f579c 100644
--- a/OpenRA.Launcher.Mac/Controller.m
+++ b/OpenRA.Launcher.Mac/Controller.m
@@ -90,6 +90,12 @@
 	[game launchMod:mod];
 }
 
+- (BOOL)downloadUrl:(NSString *)url intoCache:(NSString *)filename withId:(NSString *)key
+{
+	id path = [[@"~/Library/Application Support/OpenRA/Downloads/" stringByAppendingPathComponent:filename] stringByExpandingTildeInPath];
+	return [game downloadUrl:url toPath:path withId:key];
+}
+
 #pragma mark Sidebar Datasource and Delegate
 - (int)outlineView:(NSOutlineView *)anOutlineView numberOfChildrenOfItem:(id)item
 {
diff --git a/OpenRA.Launcher.Mac/GameInstall.h b/OpenRA.Launcher.Mac/GameInstall.h
index be32a7d3b1..508dc411d9 100644
--- a/OpenRA.Launcher.Mac/GameInstall.h
+++ b/OpenRA.Launcher.Mac/GameInstall.h
@@ -11,13 +11,14 @@
 @class Mod;
 @interface GameInstall : NSObject {
 	NSURL *gameURL;
+	NSMutableDictionary *downloadTasks;
 }
 @property(readonly) NSURL *gameURL;
 
 -(id)initWithURL:(NSURL *)path;
 -(void)launchMod:(NSString *)mod;
 - (NSString *)runUtilityQuery:(NSString *)arg;
-- (void)runUtilityQuery:(NSString *)arg handleOutput:(id)obj withMethod:(SEL)sel;
 - (NSArray *)installedMods;
 - (NSDictionary *)infoForMods:(NSArray *)mods;
+- (BOOL)downloadUrl:(NSString *)url toPath:(NSString *)filename withId:(NSString *)key;
 @end
diff --git a/OpenRA.Launcher.Mac/GameInstall.m b/OpenRA.Launcher.Mac/GameInstall.m
index 19cf8bfe17..7ca65e5fbf 100644
--- a/OpenRA.Launcher.Mac/GameInstall.m
+++ b/OpenRA.Launcher.Mac/GameInstall.m
@@ -18,6 +18,7 @@
 	if (self != nil)
 	{
 		gameURL = [url retain];
+		downloadTasks = [[NSMutableDictionary alloc] init];
 	}
 	return self;
 }
@@ -25,6 +26,7 @@
 - (void)dealloc
 {
 	[gameURL release]; gameURL = nil;
+	[downloadTasks release]; downloadTasks = nil;
 	[super dealloc];
 }
 
@@ -142,26 +144,71 @@
 }
 
 
-- (void)runUtilityQuery:(NSString *)arg handleOutput:(id)obj withMethod:(SEL)sel
+- (BOOL)downloadUrl:(NSString *)url toPath:(NSString *)filename withId:(NSString *)key
 {
-	NSTask *aTask = [[NSTask alloc] init];
-	NSPipe *aPipe = [NSPipe pipe];
-	NSFileHandle *readHandle = [aPipe fileHandleForReading];
+	NSLog(@"Starting download...");
+	if ([downloadTasks objectForKey:key] != nil)
+	{
+		NSLog(@"Error: a download is already in progress for %@",key);
+		return NO;
+	}
+	
+	NSTask *task = [[[NSTask alloc] init] autorelease];
+	NSPipe *pipe = [NSPipe pipe];
 	
     NSMutableArray *taskArgs = [NSMutableArray arrayWithObject:@"OpenRA.Utility.exe"];
+	NSString *arg = [NSString stringWithFormat:@"--download-url=%@,%@",url,filename];
 	[taskArgs addObject:arg];
 	
-    [aTask setCurrentDirectoryPath:[gameURL absoluteString]];
-    [aTask setLaunchPath:@"/Library/Frameworks/Mono.framework/Commands/mono"];
-    [aTask setArguments:taskArgs];
-	[aTask setStandardOutput:aPipe];
-    [aTask launch];
+    [task setCurrentDirectoryPath:[gameURL absoluteString]];
+    [task setLaunchPath:@"/Library/Frameworks/Mono.framework/Commands/mono"];
+    [task setArguments:taskArgs];
+	[task setStandardOutput:pipe];
 	
-	NSData *inData = nil;
-    while ((inData = [readHandle availableData]) && [inData length])
-        [obj performSelector:sel withObject:[NSString stringWithUTF8String:[inData bytes]]];
-	[aTask waitUntilExit];
-    [aTask release];
+	NSFileHandle *readHandle = [pipe fileHandleForReading];
+	NSNotificationCenter *nc = [NSNotificationCenter defaultCenter];
+	[nc addObserver:self
+		   selector:@selector(utilityResponded:)
+			   name:NSFileHandleReadCompletionNotification
+			 object:readHandle];
+	[nc addObserver:self
+		   selector:@selector(utilityTerminated:)
+			   name:NSTaskDidTerminateNotification
+			 object:task];
+    [task launch];
+	[readHandle readInBackgroundAndNotify];
+		
+	[downloadTasks setObject:task forKey:key];
+	return YES;
 }
 
+- (void)utilityResponded:(NSNotification *)n
+{
+	NSData *data = [[n userInfo] valueForKey:NSFileHandleNotificationDataItem];
+	NSString *response = [[[NSString alloc] initWithData:data encoding:NSASCIIStringEncoding] autorelease];
+	NSLog(@"r: %@",response);
+
+	// Keep reading
+	if ([n object] != nil)
+		[[n object] readInBackgroundAndNotify];
+}
+
+- (void)utilityTerminated:(NSNotification *)n
+{
+	id task = [n object];
+	id pipe = [task standardOutput];
+	
+	NSNotificationCenter *nc = [NSNotificationCenter defaultCenter];
+	[nc removeObserver:self name:NSFileHandleReadCompletionNotification object:[pipe fileHandleForReading]];
+	[nc removeObserver:self name:NSTaskDidTerminateNotification object:task];
+}
+
+- (void)cancelDownload:(NSString *)key
+{
+	id task = [downloadTasks objectForKey:key];
+	if (task == nil)
+		return;
+	
+	[task interrupt];
+}
 @end
diff --git a/OpenRA.Launcher.Mac/JSBridge.m b/OpenRA.Launcher.Mac/JSBridge.m
index ebc9760c2c..f5f1f36bc5 100644
--- a/OpenRA.Launcher.Mac/JSBridge.m
+++ b/OpenRA.Launcher.Mac/JSBridge.m
@@ -40,7 +40,9 @@ static JSBridge *SharedInstance;
 		methods = [[NSDictionary dictionaryWithObjectsAndKeys:
 						@"launchMod", NSStringFromSelector(@selector(launchMod:)),
 						@"log", NSStringFromSelector(@selector(log:)),
+						@"installCncPackagesFromWeb", NSStringFromSelector(@selector(installCncPackagesFromWeb)),
 						@"fileExistsInMod", NSStringFromSelector(@selector(fileExists:inMod:)),
+						@"downloadFileToCache",NSStringFromSelector(@selector(downloadFile:intoCacheWithName:id:)),
 					nil] retain];
 	}
 	return self;
@@ -87,6 +89,13 @@ static JSBridge *SharedInstance;
 	return YES;
 }
 
+- (void)downloadFile:(NSString *)url intoCacheWithName:(NSString *)name  id:(NSString *)did
+{
+	NSLog(@"downloadFile:%@ intoCacheWithName:%@ id:%@",url,name,did);
+	// Disallow traversing directories; take only the last component
+	[controller downloadUrl:url intoCache:[name lastPathComponent] withId:did];
+}
+
 - (void)log:(NSString *)message
 {
 	NSLog(@"js: %@",message);
diff --git a/mods/cnc/mod.html b/mods/cnc/mod.html
index 2e62d39527..35586081ac 100644
--- a/mods/cnc/mod.html
+++ b/mods/cnc/mod.html
@@ -78,7 +78,8 @@
             
             .button:hover
             {
-                background-color: #333;
+                border-color:#fff;
+                background-color:#650b03;
                 cursor:pointer;
             }
 
@@ -107,7 +108,8 @@
         
         function installFromWeb()
         {
-            window.external.log("installFromWeb()");
+           window.external.downloadFileToCache("http://www.open-ra.org/get-dependency.php?file=cnc-packages","test.zip","cnc-packages");
+           //window.external.installCncPackagesFromWeb();
         }
 
         function onLoad()