Index: /trunk/quest-core-events/src/main/java/de/ugoe/cs/quest/eventcore/guimodel/IGUIElementSpec.java
===================================================================
--- /trunk/quest-core-events/src/main/java/de/ugoe/cs/quest/eventcore/guimodel/IGUIElementSpec.java	(revision 777)
+++ /trunk/quest-core-events/src/main/java/de/ugoe/cs/quest/eventcore/guimodel/IGUIElementSpec.java	(revision 778)
@@ -1,3 +1,5 @@
 package de.ugoe.cs.quest.eventcore.guimodel;
+
+import java.io.Serializable;
 
 /**
@@ -9,5 +11,5 @@
  * @author 2012, last modified by $Author: pharms$
  */
-public interface IGUIElementSpec {
+public interface IGUIElementSpec extends Serializable {
 
     /**
Index: /trunk/quest-plugin-jfc/src/main/java/de/ugoe/cs/quest/plugin/jfc/guimodel/JFCGUIElement.java
===================================================================
--- /trunk/quest-plugin-jfc/src/main/java/de/ugoe/cs/quest/plugin/jfc/guimodel/JFCGUIElement.java	(revision 777)
+++ /trunk/quest-plugin-jfc/src/main/java/de/ugoe/cs/quest/plugin/jfc/guimodel/JFCGUIElement.java	(revision 778)
@@ -12,5 +12,9 @@
 public class JFCGUIElement extends AbstractDefaultGUIElement {
     
-    /**  */
+    /**
+     * <p>
+     * Id for object serialization.
+     * </p>
+     */
     private static final long serialVersionUID = 1L;
 
Index: /trunk/quest-plugin-jfc/src/main/java/de/ugoe/cs/quest/plugin/jfc/guimodel/JFCGUIElementSpec.java
===================================================================
--- /trunk/quest-plugin-jfc/src/main/java/de/ugoe/cs/quest/plugin/jfc/guimodel/JFCGUIElementSpec.java	(revision 777)
+++ /trunk/quest-plugin-jfc/src/main/java/de/ugoe/cs/quest/plugin/jfc/guimodel/JFCGUIElementSpec.java	(revision 778)
@@ -18,4 +18,7 @@
 public class JFCGUIElementSpec implements IGUIElementSpec {
 
+    /**  */
+    private static final long serialVersionUID = 1L;
+
     /**
      * <p>
Index: /trunk/quest-plugin-mfc/src/main/java/de/ugoe/cs/quest/plugin/mfc/guimodel/MFCGUIElementSpec.java
===================================================================
--- /trunk/quest-plugin-mfc/src/main/java/de/ugoe/cs/quest/plugin/mfc/guimodel/MFCGUIElementSpec.java	(revision 777)
+++ /trunk/quest-plugin-mfc/src/main/java/de/ugoe/cs/quest/plugin/mfc/guimodel/MFCGUIElementSpec.java	(revision 778)
@@ -24,4 +24,11 @@
     /**
      * <p>
+     * Id for object serialization.
+     * </p>
+     */
+    private static final long serialVersionUID = 1L;
+
+    /**
+     * <p>
      * current name of the window
      * </p>