diff --git a/J/J.h b/J/J.h
index 79978e8..5d98301 100644
--- a/J/J.h
+++ b/J/J.h
@@ -11,6 +11,3 @@
 #import "fbo.h"
 #import "to_string.h"
 
-@interface J : NSObject
-
-@end
diff --git a/J/J.mm b/J/J.mm
index d707e75..cab3456 100644
--- a/J/J.mm
+++ b/J/J.mm
@@ -8,16 +8,5 @@
 
 #import "J.h"
 
-@implementation J
-
-- (id)init
-{
-    self = [super init];
-    if (self) {
-        // Initialization code here.
-    }
-    
-    return self;
-}
-
-@end
+// this is here, so that there is at least _something_ to compile...
+// removing this file, was not a big succes...
\ No newline at end of file
diff --git a/J/fbo.h b/J/fbo.h
index 0698303..caa74b4 100644
--- a/J/fbo.h
+++ b/J/fbo.h
@@ -13,6 +13,8 @@
 // TODO: more error checking in debug build.
 // TODO: make texture class? for easier switching between linear/nearest interpolation for example
 
+namespace J {
+
 class fbo {
 public:
     typedef std::map<GLenum, GLuint> RenderbuffersMap;
@@ -134,5 +136,7 @@ private:
 	}
 
 };
+    
+} // namespace J
 
 #endif // FBO_H
diff --git a/J/shader.h b/J/shader.h
index fe005b5..eea2171 100644
--- a/J/shader.h
+++ b/J/shader.h
@@ -13,6 +13,8 @@
 // TODO: do glValidateProgram, like in the OpenGL template
 // TODO: add error checking at set_uniforms?
 
+namespace J {
+
 class shader {
     typedef std::map<GLenum, GLuint> ShaderMap;
     
@@ -182,5 +184,7 @@ private:
 	}
 
 };
+    
+} // namespace J
 
 #endif // SHADER_H