diff --git a/haxework/net/BaseLoader.hx b/haxework/net/BaseLoader.hx
index b114360..f642557 100755
--- a/haxework/net/BaseLoader.hx
+++ b/haxework/net/BaseLoader.hx
@@ -1,5 +1,6 @@
 package haxework.net;
 
+import flash.events.ProgressEvent;
 import haxework.net.manage.ILoaderManager;
 import haxework.provider.Provider;
 import flash.utils.ByteArray;
@@ -12,11 +13,14 @@ class BaseLoader<T> implements ILoader<T> {
 
   private static inline var TAG:String = "Loader";
 
+  //ToDo: move to LoaderManager
   public static var urlProcessors(default, null):Array<String->String> = new Array<String->String>();
   public static function prepareUrl(url:String):String { for (p in urlProcessors) url = p(url); return url; }
 
 
   public var busy(default, null):Bool;
+  public var completed(default, null):Float;
+
   private var url:String;
   private var method:Method;
   private var data:Null<Dynamic>;
@@ -24,6 +28,7 @@ class BaseLoader<T> implements ILoader<T> {
 
   public function new() {
     busy = false;
+    completed = Math.NaN;
   }
 
   public function request(url:String, method:Method, data:Dynamic = null):ICallback<T> {
@@ -66,6 +71,10 @@ class BaseLoader<T> implements ILoader<T> {
 
   private function onInit(e:Event):Void {}
 
+  private function onProgress(e:ProgressEvent):Void {
+    completed = e.bytesLoaded / e.bytesTotal;
+  }
+
   private function onComplete(e:Event):Void {
     var data:T = extrudeResult(e);
     var c:ICallback<T> = callback;
@@ -89,6 +98,7 @@ class BaseLoader<T> implements ILoader<T> {
     data = null;
     callback = null;
     busy = false;
+    completed = Math.NaN;
     Provider.get(ILoaderManager).release(this);
   }
 
diff --git a/haxework/net/BaseMediaLoader.hx b/haxework/net/BaseMediaLoader.hx
index d00b5d7..efd6bcc 100755
--- a/haxework/net/BaseMediaLoader.hx
+++ b/haxework/net/BaseMediaLoader.hx
@@ -1,5 +1,6 @@
 package haxework.net;
 
+import flash.events.ProgressEvent;
 import flash.system.Security;
 import flash.system.SecurityDomain;
 import flash.system.ApplicationDomain;
@@ -46,6 +47,7 @@ class BaseMediaLoader<T> extends BaseLoader<T> {
     loader.contentLoaderInfo.addEventListener(Event.COMPLETE, onComplete);
     loader.contentLoaderInfo.addEventListener(IOErrorEvent.IO_ERROR, onError);
     loader.contentLoaderInfo.addEventListener(SecurityErrorEvent.SECURITY_ERROR, onError);
+    loader.contentLoaderInfo.addEventListener(ProgressEvent.PROGRESS, onProgress);
     return loader;
   }
 
@@ -56,6 +58,7 @@ class BaseMediaLoader<T> extends BaseLoader<T> {
       loader.contentLoaderInfo.removeEventListener(Event.COMPLETE, onComplete);
       loader.contentLoaderInfo.removeEventListener(IOErrorEvent.IO_ERROR, onError);
       loader.contentLoaderInfo.removeEventListener(SecurityErrorEvent.SECURITY_ERROR, onError);
+      loader.contentLoaderInfo.removeEventListener(ProgressEvent.PROGRESS, onProgress);
       loader = null;
     }
   }
diff --git a/haxework/net/BaseURLLoader.hx b/haxework/net/BaseURLLoader.hx
index 603baee..35c8c93 100755
--- a/haxework/net/BaseURLLoader.hx
+++ b/haxework/net/BaseURLLoader.hx
@@ -1,5 +1,6 @@
 package haxework.net;
 
+import flash.events.ProgressEvent;
 import haxework.net.ILoader.Method;
 import flash.net.URLLoaderDataFormat;
 import flash.events.SecurityErrorEvent;
@@ -30,6 +31,7 @@ class BaseURLLoader<T> extends BaseLoader<T> {
     loader.addEventListener(Event.COMPLETE, onComplete);
     loader.addEventListener(IOErrorEvent.IO_ERROR, onError);
     loader.addEventListener(SecurityErrorEvent.SECURITY_ERROR, onError);
+    loader.addEventListener(ProgressEvent.PROGRESS, onProgress);
     return loader;
   }
 
@@ -39,6 +41,7 @@ class BaseURLLoader<T> extends BaseLoader<T> {
       loader.removeEventListener(Event.COMPLETE, onComplete);
       loader.removeEventListener(IOErrorEvent.IO_ERROR, onError);
       loader.removeEventListener(SecurityErrorEvent.SECURITY_ERROR, onError);
+      loader.removeEventListener(ProgressEvent.PROGRESS, onProgress);
       loader = null;
     }
   }
diff --git a/haxework/net/ILoader.hx b/haxework/net/ILoader.hx
index 1954e18..91fab36 100755
--- a/haxework/net/ILoader.hx
+++ b/haxework/net/ILoader.hx
@@ -10,6 +10,8 @@ enum Method {
 
 interface ILoader<T> {
   public var busy(default, null):Bool;
+  public var completed(default, null):Float;
+
   public function request(url:String, method:Method, data:Dynamic = null):ICallback<T>;
   public function fromBytes(data:ByteArray):ICallback<T>;
   public function GET(url:String, data:Dynamic = null):ICallback<T>;
diff --git a/haxework/storage/IStorage.hx b/haxework/storage/IStorage.hx
new file mode 100755
index 0000000..c102404
--- /dev/null
+++ b/haxework/storage/IStorage.hx
@@ -0,0 +1,9 @@
+package haxework.storage;
+
+import flash.utils.ByteArray;
+
+interface IStorage {
+  public function exists(key:String):Bool;
+  public function write(key:String, value:ByteArray):Void;
+  public function read(ley:String):Null<ByteArray>;
+}
\ No newline at end of file
diff --git a/haxework/storage/SharedObjectStorage.hx b/haxework/storage/SharedObjectStorage.hx
new file mode 100755
index 0000000..1bcc034
--- /dev/null
+++ b/haxework/storage/SharedObjectStorage.hx
@@ -0,0 +1,23 @@
+package haxework.storage;
+
+import flash.net.SharedObject;
+import flash.utils.ByteArray;
+
+class SharedObjectStorage implements IStorage {
+
+  public function exists(key:String):Bool {
+    var so:SharedObject = SharedObject.getLocal(key);
+    return so.size > 0;
+  }
+
+  public function write(key:String, value:ByteArray):Void {
+    var so:SharedObject = SharedObject.getLocal(key);
+    so.setProperty("value", value);
+    so.flush();
+  }
+
+  public function read(key:String):Null<ByteArray> {
+    var so:SharedObject = SharedObject.getLocal(key);
+    return so.data.value;
+  }
+}
\ No newline at end of file