diff --git a/examples/widgetapp/sample_page.e b/examples/widgetapp/sample_page.e
index b35000c2..15b00173 100644
--- a/examples/widgetapp/sample_page.e
+++ b/examples/widgetapp/sample_page.e
@@ -79,6 +79,7 @@ feature
 			create source.make
 			create progress.make_progress_with_source ("progress1", source)
 			source.set_control (progress)
+			progress.set_isolation(true)
 			container.add_control (progress)
 		end
 
diff --git a/examples/widgetapp/widget.coffee b/examples/widgetapp/widget.coffee
index db600614..3c0fbc97 100644
--- a/examples/widgetapp/widget.coffee
+++ b/examples/widgetapp/widget.coffee
@@ -61,6 +61,7 @@ class WSF_CONTROL
   constructor: (@parent_control, @$el, @control_name, @fullstate)->
     @state = @fullstate.state 
     @load_subcontrols()
+    @isolation = (""+@$el.data('isolation')=="1")
     return
 
   load_subcontrols: ()->
@@ -79,19 +80,7 @@ class WSF_CONTROL
 
   update: (state)->
     return 
-  get_state: ()->
-    @state
-
-  get_control_states:()->
-    result = {}
-    for control in @controls 
-      if control?
-        result[control.control_name]=control.get_full_state()
-    result
-
-  get_full_state: ()->
-    {"state":@get_state(),"controls":@get_control_states()}
-
+ 
   process_update: (new_states)->
     if new_states[@control_name]?
       @update(new_states[@control_name])
@@ -100,12 +89,18 @@ class WSF_CONTROL
         control.process_update(new_states)
 
   get_context_state : ()->
-    if @parent_control?
+    if @parent_control? and not @isolation
       return @parent_control.get_context_state()
-    return @get_full_state()
-
-  trigger_callback: (control_name,event,event_parameter)->
+    return @wrap(@control_name,@fullstate)
+  wrap : (cname,state)->
+    ctrs = {}
+    ctrs[cname] = state
+    state = {"controls":ctrs}
     if @parent_control?
+      return @parent_control.wrap(@parent_control.control_name,state)
+    return state
+  trigger_callback: (control_name,event,event_parameter)->
+    if @parent_control? and not @isolation
       return @parent_control.trigger_callback(control_name,event,event_parameter)
     self = @
     $.ajax
@@ -113,8 +108,9 @@ class WSF_CONTROL
       url: '?' + $.param
                       control_name: control_name
                       event: event
+                      event_parameter: event_parameter
       data:
-        JSON.stringify(@get_full_state())
+        JSON.stringify(@get_context_state())
       processData: false,
       contentType: 'application/json',
       cache: no
@@ -147,6 +143,8 @@ class WSF_PAGE_CONTROL extends WSF_CONTROL
     @$el = $('[data-name='+@state.id+']') 
     @control_name = @state.id
     @load_subcontrols()
+  wrap : (cname,state)->
+    state
 
 controls = {}
 
diff --git a/examples/widgetapp/widget.js b/examples/widgetapp/widget.js
index 6e0b4922..f54c6a1d 100644
--- a/examples/widgetapp/widget.js
+++ b/examples/widgetapp/widget.js
@@ -121,6 +121,7 @@ WSF_CONTROL = (function() {
     this.fullstate = fullstate;
     this.state = this.fullstate.state;
     this.load_subcontrols();
+    this.isolation = "" + this.$el.data('isolation') === "1";
     return;
   }
 
@@ -156,30 +157,6 @@ WSF_CONTROL = (function() {
 
   WSF_CONTROL.prototype.update = function(state) {};
 
-  WSF_CONTROL.prototype.get_state = function() {
-    return this.state;
-  };
-
-  WSF_CONTROL.prototype.get_control_states = function() {
-    var control, result, _i, _len, _ref;
-    result = {};
-    _ref = this.controls;
-    for (_i = 0, _len = _ref.length; _i < _len; _i++) {
-      control = _ref[_i];
-      if (control != null) {
-        result[control.control_name] = control.get_full_state();
-      }
-    }
-    return result;
-  };
-
-  WSF_CONTROL.prototype.get_full_state = function() {
-    return {
-      "state": this.get_state(),
-      "controls": this.get_control_states()
-    };
-  };
-
   WSF_CONTROL.prototype.process_update = function(new_states) {
     var control, _i, _len, _ref, _results;
     if (new_states[this.control_name] != null) {
@@ -199,15 +176,28 @@ WSF_CONTROL = (function() {
   };
 
   WSF_CONTROL.prototype.get_context_state = function() {
-    if (this.parent_control != null) {
+    if ((this.parent_control != null) && !this.isolation) {
       return this.parent_control.get_context_state();
     }
-    return this.get_full_state();
+    return this.wrap(this.control_name, this.fullstate);
+  };
+
+  WSF_CONTROL.prototype.wrap = function(cname, state) {
+    var ctrs;
+    ctrs = {};
+    ctrs[cname] = state;
+    state = {
+      "controls": ctrs
+    };
+    if (this.parent_control != null) {
+      return this.parent_control.wrap(this.parent_control.control_name, state);
+    }
+    return state;
   };
 
   WSF_CONTROL.prototype.trigger_callback = function(control_name, event, event_parameter) {
     var self;
-    if (this.parent_control != null) {
+    if ((this.parent_control != null) && !this.isolation) {
       return this.parent_control.trigger_callback(control_name, event, event_parameter);
     }
     self = this;
@@ -215,9 +205,10 @@ WSF_CONTROL = (function() {
       type: 'POST',
       url: '?' + $.param({
         control_name: control_name,
-        event: event
+        event: event,
+        event_parameter: event_parameter
       }),
-      data: JSON.stringify(this.get_full_state()),
+      data: JSON.stringify(this.get_context_state()),
       processData: false,
       contentType: 'application/json',
       cache: false
@@ -270,6 +261,10 @@ WSF_PAGE_CONTROL = (function(_super) {
     this.load_subcontrols();
   }
 
+  WSF_PAGE_CONTROL.prototype.wrap = function(cname, state) {
+    return state;
+  };
+
   return WSF_PAGE_CONTROL;
 
 })(WSF_CONTROL);
diff --git a/library/server/wsf_js_widget/webcontrol/wsf_control.e b/library/server/wsf_js_widget/webcontrol/wsf_control.e
index 71184040..f8eb8dbe 100644
--- a/library/server/wsf_js_widget/webcontrol/wsf_control.e
+++ b/library/server/wsf_js_widget/webcontrol/wsf_control.e
@@ -14,6 +14,7 @@ inherit
 			render_tag
 		end
 
+
 feature
 
 	control_name: STRING
@@ -90,6 +91,9 @@ feature -- Rendering
 				css_classes_string := css_classes_string + " " + c.item
 			end
 			l_attributes := "id=%"" + control_name + "%" data-name=%"" + control_name + "%" data-type=%"" + a_generator + "%" " + attrs
+			if isolate then
+				l_attributes.append (" data-isolation=%"1%"")
+			end
 			Result := render_tag_with_tagname (tag_name, body, l_attributes, css_classes_string)
 		end
 
@@ -99,5 +103,15 @@ feature -- EVENT HANDLING
 			-- Method called if any callback received. In this method you can route the callback to the event handler
 		deferred
 		end
+feature -- Change
+
+	set_isolation (p: BOOLEAN)
+		do
+			isolate := true
+		end
+
+feature -- Properties
+
+	isolate: BOOLEAN
 
 end