diff --git a/Extensions/BlockReplacePackets/src/main/java/extensions/blockreplacepackets/BlockAndReplacePackets.java b/Extensions/BlockReplacePackets/src/main/java/extensions/blockreplacepackets/BlockAndReplacePackets.java
index a27f57e..1b60e82 100644
--- a/Extensions/BlockReplacePackets/src/main/java/extensions/blockreplacepackets/BlockAndReplacePackets.java
+++ b/Extensions/BlockReplacePackets/src/main/java/extensions/blockreplacepackets/BlockAndReplacePackets.java
@@ -1,14 +1,10 @@
 package extensions.blockreplacepackets;
 
-import gearth.extensions.Extension;
 import gearth.protocol.HMessage;
 import gearth.protocol.HPacket;
 import gearth.ui.GEarthController;
 import javafx.application.Platform;
-import javafx.beans.InvalidationListener;
-import javafx.beans.Observable;
 import javafx.event.ActionEvent;
-import javafx.event.EventHandler;
 import javafx.fxml.FXMLLoader;
 import javafx.scene.Parent;
 import javafx.scene.Scene;
@@ -18,7 +14,6 @@ import javafx.scene.control.TextField;
 import javafx.stage.Stage;
 import gearth.extensions.ExtensionForm;
 import gearth.extensions.ExtensionInfo;
-import javafx.stage.WindowEvent;
 
 /**
  * Created by Jonas on 22/09/18.
@@ -40,8 +35,7 @@ public class BlockAndReplacePackets extends ExtensionForm {
     public TextField txt_value;
 
     public static void main(String[] args) {
-        ExtensionForm.args = args;
-        launch(args);
+        runExtensionForm(args, BlockAndReplacePackets.class);
     }
 
     //initialize javaFX elements
diff --git a/Extensions/BlockReplacePackets/src/main/java/extensions/blockreplacepackets/RuleContainer.java b/Extensions/BlockReplacePackets/src/main/java/extensions/blockreplacepackets/RuleContainer.java
new file mode 100644
index 0000000..259e26c
--- /dev/null
+++ b/Extensions/BlockReplacePackets/src/main/java/extensions/blockreplacepackets/RuleContainer.java
@@ -0,0 +1,7 @@
+package extensions.blockreplacepackets;
+
+/**
+ * Created by Jeunez on 6/11/2018.
+ */
+public class RuleContainer {
+}
diff --git a/Extensions/BlockReplacePackets/src/main/java/extensions/blockreplacepackets/blockreplace.fxml b/Extensions/BlockReplacePackets/src/main/java/extensions/blockreplacepackets/blockreplace.fxml
index 4e463a1..eb0532d 100644
--- a/Extensions/BlockReplacePackets/src/main/java/extensions/blockreplacepackets/blockreplace.fxml
+++ b/Extensions/BlockReplacePackets/src/main/java/extensions/blockreplacepackets/blockreplace.fxml
@@ -11,7 +11,7 @@
 <?import javafx.scene.layout.RowConstraints?>
 <?import javafx.scene.layout.VBox?>
 
-<GridPane prefHeight="324.0" prefWidth="588.0" style="-fx-background-color: #FFFFFF;" xmlns="http://javafx.com/javafx/8.0.131" xmlns:fx="http://javafx.com/fxml/1" fx:controller="extensions.blockreplacepackets.BlockAndReplacePackets">
+<GridPane prefHeight="324.0" prefWidth="588.0" style="-fx-background-color: #FFFFFF;" xmlns="http://javafx.com/javafx/10.0.1" xmlns:fx="http://javafx.com/fxml/1" fx:controller="extensions.blockreplacepackets.BlockAndReplacePackets">
   <columnConstraints>
     <ColumnConstraints hgrow="SOMETIMES" minWidth="10.0" prefWidth="100.0" />
   </columnConstraints>
@@ -107,16 +107,16 @@
       </GridPane>
       <ScrollPane fx:id="scrollpane" hbarPolicy="NEVER" maxHeight="1.7976931348623157E308" maxWidth="1.7976931348623157E308" style="-fx-border-color: #888888; -fx-background: #FFFFFF; -fx-border-radius: 4px;" vbarPolicy="ALWAYS">
          <content>
-            <VBox fx:id="schedulecontainer" maxHeight="1.7976931348623157E308" prefWidth="559.0">
+            <VBox fx:id="schedulecontainer" maxHeight="1.7976931348623157E308" prefWidth="574.0">
                <children>
                   <GridPane fx:id="header" gridLinesVisible="true">
                      <columnConstraints>
                         <ColumnConstraints hgrow="SOMETIMES" maxWidth="163.0" minWidth="10.0" percentWidth="12.0" prefWidth="57.0" />
-                        <ColumnConstraints hgrow="SOMETIMES" maxWidth="190.0" minWidth="10.0" percentWidth="14.0" prefWidth="189.0" />
+                        <ColumnConstraints hgrow="SOMETIMES" maxWidth="190.0" minWidth="10.0" percentWidth="12.0" prefWidth="189.0" />
                         <ColumnConstraints hgrow="SOMETIMES" maxWidth="118.0" minWidth="10.0" percentWidth="18.0" prefWidth="66.0" />
                         <ColumnConstraints hgrow="SOMETIMES" maxWidth="100.0" minWidth="10.0" percentWidth="33.0" prefWidth="100.0" />
                         <ColumnConstraints hgrow="SOMETIMES" maxWidth="100.0" minWidth="10.0" percentWidth="15.0" prefWidth="100.0" />
-                        <ColumnConstraints hgrow="SOMETIMES" maxWidth="100.0" minWidth="10.0" percentWidth="6.0" prefWidth="100.0" />
+                        <ColumnConstraints hgrow="SOMETIMES" maxWidth="100.0" minWidth="10.0" percentWidth="8.0" prefWidth="100.0" />
                      </columnConstraints>
                      <rowConstraints>
                         <RowConstraints minHeight="10.0" prefHeight="30.0" vgrow="SOMETIMES" />
@@ -142,6 +142,6 @@
       </ScrollPane>
    </children>
    <padding>
-      <Insets left="17.0" right="17.0" top="17.0" />
+      <Insets left="10.0" right="10.0" top="8.0" />
    </padding>
 </GridPane>
diff --git a/G-Earth/src/main/java/gearth/extensions/ExtensionForm.java b/G-Earth/src/main/java/gearth/extensions/ExtensionForm.java
index c4c76f2..4815416 100644
--- a/G-Earth/src/main/java/gearth/extensions/ExtensionForm.java
+++ b/G-Earth/src/main/java/gearth/extensions/ExtensionForm.java
@@ -11,65 +11,17 @@ import java.util.concurrent.Semaphore;
 /**
  * Created by Jonas on 22/09/18.
  */
-public abstract class ExtensionForm extends Application {
+public abstract class ExtensionForm {
 
-    private volatile Extension extension;
-    protected static String[] args;
-    protected volatile Stage primaryStage;
+    volatile Extension extension;
+    volatile Stage primaryStage;
 
-    private volatile ExtensionForm realForm = null;
-
-    @Override
-    public void start(Stage primaryStage) throws Exception {
-        ExtensionInfo extInfo = getClass().getAnnotation(ExtensionInfo.class);
-
-        realForm = launchForm(primaryStage);
-        realForm.extension = new Extension(args) {
-            @Override
-            protected void init() {
-                realForm.initExtension();
-            }
-
-            @Override
-            protected void onClick() {
-                realForm.onClick();
-            }
-
-            @Override
-            protected void onStartConnection() {
-                realForm.onStartConnection();
-            }
-
-            @Override
-            protected void onEndConnection() {
-                realForm.onEndConnection();
-            }
-
-            @Override
-            ExtensionInfo getInfoAnnotations() {
-                return extInfo;
-            }
-        };
-        realForm.primaryStage = primaryStage;
-        Thread t = new Thread(() -> {
-            realForm.extension.run();
-//            Platform.runLater(primaryStage::close);
-            //when the extension has ended, close this process
-            System.exit(0);
-        });
-        t.start();
-
-        Platform.setImplicitExit(false);
-
-        primaryStage.setOnCloseRequest(event -> {
-            event.consume();
-            Platform.runLater(() -> {
-                primaryStage.hide();
-                realForm.onHide();
-            });
-        });
+    protected static void runExtensionForm(String[] args, Class<? extends ExtensionForm> extension) {
+        ExtensionFormLauncher launcher = new ExtensionFormLauncher();
+        launcher.trigger(extension, args);
     }
 
+
     public abstract ExtensionForm launchForm(Stage primaryStage) throws Exception;
 
     //wrap extension methods
@@ -104,7 +56,7 @@ public abstract class ExtensionForm extends Application {
     /**
      * The application got doubleclicked from the G-Earth interface. Doing something here is optional
      */
-    private void onClick(){
+    protected void onClick(){
         Platform.runLater(() -> {
             primaryStage.show();
             primaryStage.requestFocus();
diff --git a/G-Earth/src/main/java/gearth/extensions/ExtensionFormLauncher.java b/G-Earth/src/main/java/gearth/extensions/ExtensionFormLauncher.java
new file mode 100644
index 0000000..e380415
--- /dev/null
+++ b/G-Earth/src/main/java/gearth/extensions/ExtensionFormLauncher.java
@@ -0,0 +1,73 @@
+package gearth.extensions;
+
+import javafx.application.Application;
+import javafx.application.Platform;
+import javafx.stage.Stage;
+
+/**
+ * Created by Jeunez on 6/11/2018.
+ */
+public class ExtensionFormLauncher extends Application{
+
+    private static Class<? extends ExtensionForm> extension;
+    private static String[] args;
+
+    @Override
+    public void start(Stage primaryStage) throws Exception {
+        ExtensionInfo extInfo = extension.getAnnotation(ExtensionInfo.class);
+
+        ExtensionForm creator = extension.newInstance();
+        ExtensionForm extensionForm = creator.launchForm(primaryStage);
+
+        extensionForm.extension = new Extension(args) {
+            @Override
+            protected void init() {
+                extensionForm.initExtension();
+            }
+
+            @Override
+            protected void onClick() {
+                extensionForm.onClick();
+            }
+
+            @Override
+            protected void onStartConnection() {
+                extensionForm.onStartConnection();
+            }
+
+            @Override
+            protected void onEndConnection() {
+                extensionForm.onEndConnection();
+            }
+
+            @Override
+            ExtensionInfo getInfoAnnotations() {
+                return extInfo;
+            }
+        };
+        extensionForm.primaryStage = primaryStage;
+        Thread t = new Thread(() -> {
+            extensionForm.extension.run();
+            //when the extension has ended, close this process
+            System.exit(0);
+        });
+        t.start();
+
+        Platform.setImplicitExit(false);
+
+        primaryStage.setOnCloseRequest(event -> {
+            event.consume();
+            Platform.runLater(() -> {
+                primaryStage.hide();
+                extensionForm.onHide();
+            });
+        });
+    }
+
+    public static void trigger( Class<? extends ExtensionForm> extension, String[] args) {
+        ExtensionFormLauncher.extension = extension;
+        ExtensionFormLauncher.args = args;
+        launch(args);
+    }
+
+}