diff --git a/js/settings/FormPanel.js b/js/settings/FormPanel.js
index b1f9893..a1a0b0d 100644
--- a/js/settings/FormPanel.js
+++ b/js/settings/FormPanel.js
@@ -18,19 +18,21 @@ function FormPanel() {
 	// ui elements
 	var _element;
 	
-	var _self;
+	var _self = this;
 	
-	FormPanel.prototype.init = function(wifiboxURL,wifiboxCGIBinURL,panelElement) {
+	this.init = function(wifiboxURL,wifiboxCGIBinURL,panelElement) {
+		
 		// make _self the scope of which init was called?
 		// needed to have the subclass instance access the same counter 
-		_self = this; 
-		//console.log("FormPanel:init");
+		//_self = this; 
+		//console.log("  _element: ",_element);
 		_element = panelElement;
+		//console.log("  >_element: ",_element);
 		_configAPI.init(wifiboxURL,wifiboxCGIBinURL);
 	};
 	
 	//this.readForm = function(form) {
-	FormPanel.prototype.readForm = function(form) {
+	this.readForm = function(form) {
 		//console.log("FormPanel:readForm");
 		if(!form) form = _element; // if no form specified, read whole panel form
 		//console.log("FormPanel");
@@ -69,11 +71,13 @@ function FormPanel() {
 		return settings;
 	};
 	
-	FormPanel.prototype.fill = function(settings,form) { 
+	this.fillForm = function(settings,form) { 
 		//console.log("FormPanel:fillForm");
 		if(!form) form = _element; // if no form specified, fill whole panel form
 		//console.log("  form: ",form);
 		
+		clearValidationErrors();
+		
 		//fill form with loaded settings
 		var selects = form.find("select");
 		selects.each( function(index,element) {
@@ -102,7 +106,7 @@ function FormPanel() {
 		});
 	};
 	
-	FormPanel.prototype.saveSettings = function(newSettings,complete) {
+	this.saveSettings = function(newSettings,complete) {
 		//console.log("  newSettings: ",newSettings);
 		_configAPI.save(newSettings,function(data) {
 			var validation = data.validation;
diff --git a/js/settings/NetworkPanel.js b/js/settings/NetworkPanel.js
index 04e4ee3..770ae19 100644
--- a/js/settings/NetworkPanel.js
+++ b/js/settings/NetworkPanel.js
@@ -6,9 +6,6 @@
  * See file LICENSE.txt or visit http://www.gnu.org/licenses/gpl.html for full license details.
  */
 
-// prototype inheritance 
-// http://robertnyman.com/2008/10/06/javascript-inheritance-how-and-why/
-NetworkPanel.prototype = new FormPanel();
 function NetworkPanel() {
 	
 	var NOT_CONNECTED = "not connected"; // used as first item in networks list
@@ -22,6 +19,7 @@ function NetworkPanel() {
 	var _networkMode = NetworkPanel.NETWORK_MODE.NEITHER;
 	var _networkModeChangedHandler;
 	
+	var _form = new FormPanel();
 	var _api = new NetworkAPI();
 	var _networks = {};
 	var _currentNetwork;					// the ssid of the network the box is on
@@ -56,8 +54,8 @@ function NetworkPanel() {
 	
 	this.init = function(wifiboxURL,wifiboxCGIBinURL,panelElement) {
 		//console.log("NetworkPanel:init");
-		// super call:
-		_self.constructor.prototype.init.call(_self,wifiboxURL,wifiboxCGIBinURL,panelElement);
+		
+		_form.init(wifiboxURL,wifiboxCGIBinURL,panelElement)
 		
 		_api.init(wifiboxURL,wifiboxCGIBinURL);
 		
@@ -302,7 +300,7 @@ function NetworkPanel() {
 		//console.log("NetworkPanel:connectToNetwork");
 		if(_selectedNetwork == undefined) return;
 		// save network related settings and on complete, connect to network
-		_self.saveSettings(_self.readForm(),function(validated) {
+		_form.saveSettings(_form.readForm(),function(validated) {
 			if(!validated) return;
 			updateClientModeUI(NetworkAPI.STATUS.CONNECTING,"");
 			_api.associate(_selectedNetwork,_passwordField.val(),true);
@@ -317,7 +315,7 @@ function NetworkPanel() {
 	this.createAP = function() {
 		//console.log("createAP");
 		// save network related settings and on complete, create access point
-		_self.saveSettings(_self.readForm(),function(success) {
+		_form.saveSettings(_form.readForm(),function(success) {
 			if(!success) return;
 			updateAPModeUI(NetworkAPI.STATUS.CREATING,""); 
 			_api.openAP();
diff --git a/js/settings/PrinterPanel.js b/js/settings/PrinterPanel.js
index fdc7f71..8db0fe9 100644
--- a/js/settings/PrinterPanel.js
+++ b/js/settings/PrinterPanel.js
@@ -6,12 +6,10 @@
  * See file LICENSE.txt or visit http://www.gnu.org/licenses/gpl.html for full license details.
  */
 
-// prototype inheritance 
-// http://robertnyman.com/2008/10/06/javascript-inheritance-how-and-why/
-PrinterPanel.prototype = new FormPanel();
 function PrinterPanel() {
 	
 	this.printerType;
+	var _form = new FormPanel();
 	
 	// ui elements
 	var _element;
@@ -19,12 +17,10 @@ function PrinterPanel() {
 	var _printerSettings;
 	
 	var _self = this;
-
+	
 	this.init = function(wifiboxURL,wifiboxCGIBinURL,panelElement) {
 		
-		// super call:
-		_self.constructor.prototype.init.call(_self,wifiboxURL,wifiboxCGIBinURL,panelElement);
-		
+		_form.init(wifiboxURL,wifiboxCGIBinURL,panelElement)
 		_element = panelElement;
 		
 		_printerSelector 	= _element.find("#printerType");
@@ -32,7 +28,7 @@ function PrinterPanel() {
 		
 		// we use readForm to get all the settings we need to 
 		// reload after changing printer type 
-		_printerSettings = _self.readForm();
+		_printerSettings = _form.readForm();
 		
 		var gcodePanel = _element.find("#gcodePanel");
 		gcodePanel.coolfieldset({collapsed:true});
@@ -42,10 +38,10 @@ function PrinterPanel() {
 		var settings = {}; 
 		settings[_printerSelector.attr("name")] = _self.printerType;
 		
-		_self.saveSettings(settings,function(validated) {
+		_form.saveSettings(settings,function(validated) {
 			if(!validated) return;
-			_self.loadSettings(_printerSettings,function(settings) {
-				_self.fill(settings);
+			_form.loadSettings(_printerSettings,function(settings) {
+				_form.fillForm(settings);
 			});
 		});
 	}