diff --git a/src/ui/IconManager.java b/src/ui/IconManager.java
index 6b43e2454a86676f62b9c160638ee3a5bc2b7c62..84e6dbbf6d1e340d6543a445bb36241320a8c1e6 100755
--- a/src/ui/IconManager.java
+++ b/src/ui/IconManager.java
@@ -105,7 +105,8 @@ public class IconManager {
     public static ImageIcon imgic700, imgic702;
     
     public static ImageIcon imgic800, imgic802, imgic804, imgic806, imgic808, imgic810, imgic812;
-    public static ImageIcon imgic900, imgic902, imgic904, imgic906, imgic908, imgic910, imgic912, imgic914, imgic916, imgic918, imgic920, imgic922, imgic924, imgic926;    
+    public static ImageIcon imgic900, imgic902, imgic904, imgic906, imgic908, imgic910, imgic912, imgic914, imgic916, imgic918;
+	public static ImageIcon imgic920, imgic922, imgic924, imgic926, imgic928;    
     // Requirement diagrams
     public static ImageIcon imgic1000, imgic1002, imgic1004,imgic1006,imgic1008, imgic1010, imgic1012, imgic1014;
 	public static ImageIcon imgic1050, imgic1052, imgic1054,imgic1056, imgic1058, imgic1060;
@@ -400,6 +401,7 @@ public class IconManager {
 	private static String icon922 = "images/tmladexeccint.gif";
 	private static String icon924 = "images/tmladrandom.gif";
 	private static String icon926 = "images/tmladforeverloop.gif";
+	private static String icon928 = "images/tmladunorderedsequence.gif";
 	
 	// Requirement diagrams
     private static String icon1000 = "images/reqdiag.gif";
@@ -739,6 +741,7 @@ public class IconManager {
 		imgic922 = getIcon(icon922); 
 		imgic924 = getIcon(icon924);
 		imgic926 = getIcon(icon926);
+		imgic928 = getIcon(icon928);
         
         imgic1000 = getIcon(icon1000);
         imgic1002 = getIcon(icon1002);
diff --git a/src/ui/MainGUI.java b/src/ui/MainGUI.java
index 656293f19257903d379e9c7d0420a9b5ba767358..7bca1ef97e28dc73c6bfbefb33f9771a4674a6b2 100755
--- a/src/ui/MainGUI.java
+++ b/src/ui/MainGUI.java
@@ -6164,6 +6164,8 @@ public	class MainGUI implements ActionListener, WindowListener, KeyListener {
             actionOnButton(TGComponentManager.COMPONENT, TGComponentManager.TMLAD_FOR_EVER_LOOP);
         } else if (command.equals(actions[TGUIAction.TMLAD_SEQUENCE].getActionCommand())) {
             actionOnButton(TGComponentManager.COMPONENT, TGComponentManager.TMLAD_SEQUENCE);
+        } else if (command.equals(actions[TGUIAction.TMLAD_UNORDERED_SEQUENCE].getActionCommand())) {
+            actionOnButton(TGComponentManager.COMPONENT, TGComponentManager.TMLAD_UNORDERED_SEQUENCE);
         } else if (command.equals(actions[TGUIAction.TMLAD_SELECT_EVT].getActionCommand())) {
             actionOnButton(TGComponentManager.COMPONENT, TGComponentManager.TMLAD_SELECT_EVT);
 		} else if (command.equals(actions[TGUIAction.TMLAD_RANDOM].getActionCommand())) {
diff --git a/src/ui/TGComponentManager.java b/src/ui/TGComponentManager.java
index e7df606650d461390aabc4c9d79d2186b4f2fe02..cf37f5c9851d15408907fab635b6b458497a7baf 100755
--- a/src/ui/TGComponentManager.java
+++ b/src/ui/TGComponentManager.java
@@ -201,6 +201,7 @@ public class TGComponentManager {
     public static final int TMLAD_FOR_LOOP = 1014;
     public static final int TMLAD_EXECI_INTERVAL = 1015;
     public static final int TMLAD_SEQUENCE = 1016;
+	public static final int TMLAD_UNORDERED_SEQUENCE = 1032;
     public static final int TMLAD_SELECT_EVT = 1018;
 	public static final int TMLAD_FOR_STATIC_LOOP = 1020;
 	public static final int TMLAD_EXECC = 1021;
@@ -654,6 +655,9 @@ public class TGComponentManager {
                 break;
             case TMLAD_SEQUENCE:
                 tgc = new TMLADSequence(x, y, tdp.getMinX(), tdp.getMaxX(), tdp.getMinY(), tdp.getMaxY(), false, null, tdp);
+                break;
+			case TMLAD_UNORDERED_SEQUENCE:
+                tgc = new TMLADUnorderedSequence(x, y, tdp.getMinX(), tdp.getMaxX(), tdp.getMinY(), tdp.getMaxY(), false, null, tdp);
                 break;
             case TMLAD_SELECT_EVT:
                 tgc = new TMLADSelectEvt(x, y, tdp.getMinX(), tdp.getMaxX(), tdp.getMinY(), tdp.getMaxY(), false, null, tdp);
@@ -1072,6 +1076,8 @@ public class TGComponentManager {
             return TMLAD_FOR_EVER_LOOP;
         } else if (tgc instanceof TMLADSequence) {
             return TMLAD_SEQUENCE;
+        } else if (tgc instanceof TMLADUnorderedSequence) {
+            return TMLAD_UNORDERED_SEQUENCE;
         } else if (tgc instanceof TMLADSelectEvt) {
             return TMLAD_SELECT_EVT;
         } else if (tgc instanceof TMLADRandom) {
diff --git a/src/ui/TGUIAction.java b/src/ui/TGUIAction.java
index 8af8e2ce63a494683999eebbefcde4b1c12346d2..65d71f2db80d1a1ee10fc21ead27a36b381200a7 100755
--- a/src/ui/TGUIAction.java
+++ b/src/ui/TGUIAction.java
@@ -194,6 +194,7 @@ public class TGUIAction extends AbstractAction {
 	public static final int TMLAD_FOR_STATIC_LOOP = 226;
 	public static final int TMLAD_FOR_EVER_LOOP = 255;
     public static final int TMLAD_SEQUENCE = 156;
+	public static final int TMLAD_UNORDERED_SEQUENCE = 322;
     public static final int TMLAD_SELECT_EVT = 206;
 	public static final int TMLAD_RANDOM = 245;
 	
@@ -441,7 +442,7 @@ public class TGUIAction extends AbstractAction {
     //Action for the help button created by Solange
     public static final int PRUEBA_1 = 205;
 
-    public static final int NB_ACTION = 322;
+    public static final int NB_ACTION = 323;
 
     private  static final TAction [] actions = new TAction[NB_ACTION];
     
@@ -726,6 +727,7 @@ public class TGUIAction extends AbstractAction {
         actions[TMLAD_FOR_STATIC_LOOP] = new TAction("add-tmlad-for-static-loop", "Static loop (for)", IconManager.imgic912, IconManager.imgic912, "Static loop (for)", "Add a static for loop to the currently opened TML activity diagram", 0);
         actions[TMLAD_FOR_EVER_LOOP] = new TAction("add-tmlad-for-ever-loop", "Loop for ever", IconManager.imgic926, IconManager.imgic926, "Loop for ever", "Add a loop-for-ever operator to the currently opened TML activity diagram", 0);
         actions[TMLAD_SEQUENCE] = new TAction("add-tmlad-sequence", "Sequence", IconManager.imgic226, IconManager.imgic226, "Sequence", "Add a sequence to the currently opened TML activity diagram", 0);
+        actions[TMLAD_UNORDERED_SEQUENCE] = new TAction("add-tmlad-unordered-sequence", "Unordered sequence", IconManager.imgic928, IconManager.imgic928, "Unordered sequence", "Add an unordered sequence to the currently opened TML activity diagram", 0);
         actions[TMLAD_SELECT_EVT] = new TAction("add-tmlad-select-evt", "Add select event", IconManager.imgic916, IconManager.imgic916, "Select event", "Add a selection between events to the currently opened TML Task activity diagram", 0);
 		actions[TMLAD_RANDOM] = new TAction("add-tmlad-random", "Add random", IconManager.imgic924, IconManager.imgic924, "Select random", "Add a random operator to the currently opened TML Task activity diagram", 0);
 		
diff --git a/src/ui/tmlad/TMLADUnorderedSequence.java b/src/ui/tmlad/TMLADUnorderedSequence.java
new file mode 100755
index 0000000000000000000000000000000000000000..7a1054c1c2851b8b0c5af2fb6f828ca95985caae
--- /dev/null
+++ b/src/ui/tmlad/TMLADUnorderedSequence.java
@@ -0,0 +1,117 @@
+/**
+ Copyright or (C) or Copr. GET / ENST, Telecom-Paris, Ludovic Apvrille
+
+ludovic.apvrille AT enst.fr
+
+This software is a computer program whose purpose is to allow the 
+edition of TURTLE analysis, design and deployment diagrams, to 
+allow the generation of RT-LOTOS or Java code from this diagram, 
+and at last to allow the analysis of formal validation traces 
+obtained from external tools, e.g. RTL from LAAS-CNRS and CADP 
+from INRIA Rhone-Alpes.
+
+This software is governed by the CeCILL  license under French law and
+abiding by the rules of distribution of free software.  You can  use, 
+modify and/ or redistribute the software under the terms of the CeCILL
+license as circulated by CEA, CNRS and INRIA at the following URL
+"http://www.cecill.info". 
+
+As a counterpart to the access to the source code and  rights to copy,
+modify and redistribute granted by the license, users are provided only
+with a limited warranty  and the software's author,  the holder of the
+economic rights,  and the successive licensors  have only  limited
+liability. 
+
+In this respect, the user's attention is drawn to the risks associated
+with loading,  using,  modifying and/or developing or reproducing the
+software by the user in light of its specific status of free software,
+that may mean  that it is complicated to manipulate,  and  that  also
+therefore means  that it is reserved for developers  and  experienced
+professionals having in-depth computer knowledge. Users are therefore
+encouraged to load and test the software's suitability as regards their
+requirements in conditions enabling the security of their systems and/or 
+data to be ensured and,  more generally, to use and operate it in the 
+same conditions as regards security. 
+
+The fact that you are presently reading this means that you have had
+knowledge of the CeCILL license and that you accept its terms.
+
+/**
+ * Class TMLADUnorderedSequence
+ * Sequence. To be used in activity diagrams of TMLDesigns
+ * Creation: 07/07/2010
+ * @version 1.0 07/07/2010
+ * @author Ludovic APVRILLE
+ * @see
+ */
+
+package ui.tmlad;
+
+import java.awt.*;
+
+import myutil.*;
+import ui.*;
+
+public class TMLADUnorderedSequence extends TGCWithInternalComponent implements EmbeddedComment, AllowedBreakpoint {
+    private int lineLength = 0;
+  private int textX, textY;
+
+	public TMLADUnorderedSequence(int _x, int _y, int _minX, int _maxX, int _minY, int _maxY, boolean _pos, TGComponent _father, TDiagramPanel _tdp)  {
+		super(_x, _y, _minX, _maxX, _minY, _maxY, _pos, _father, _tdp);
+		
+		
+		width = 150;
+		height = 5;
+                
+    textX = width - 6;
+		textY = height + 2;
+		
+		nbConnectingPoint = 6;
+		connectingPoint = new TGConnectingPoint[6];
+		connectingPoint[0] = new TGConnectingPointTMLAD(this, 0, -lineLength, true, false, 0.5, 0.0);
+    connectingPoint[1] = new TGConnectingPointTMLAD(this, 0, lineLength, false, true, 0.167, 1.0);
+		connectingPoint[2] = new TGConnectingPointTMLAD(this, 0, lineLength, false, true, 0.333, 1.0);
+		connectingPoint[3] = new TGConnectingPointTMLAD(this, 0, lineLength, false, true, 0.5, 1.0);
+		connectingPoint[4] = new TGConnectingPointTMLAD(this, 0, lineLength, false, true, 0.667, 1.0);
+		connectingPoint[5] = new TGConnectingPointTMLAD(this, 0, lineLength, false, true, 0.833, 1.0);
+
+		nbInternalTGComponent = 1;
+		tgcomponent = new TGComponent[nbInternalTGComponent];
+
+		TGCOneLineText tgc = new TGCOneLineText(x+textX + 10, y+textY, textX +10 , textX + 10 , textY, textY, true, this, _tdp);
+		tgc.setValue("<>");
+		tgc.setName("Unordered sequence");
+		tgc.setEditable(false);
+                
+		tgcomponent[0] = tgc;
+
+		moveable = true;
+		editable = false;
+		removable = true;
+
+		name = "unordered sequence";
+		
+		myImageIcon = IconManager.imgic206;
+	}
+    
+    public void internalDrawing(Graphics g) {
+		g.drawRect(x, y, width, height);
+		g.fillRect(x, y, width, height);
+	}
+
+	public TGComponent isOnOnlyMe(int x1, int y1) {
+		if (GraphicLib.isInRectangle(x1, y1, x, y, width, height)) {
+			return this;
+		}
+		return null;
+	}
+	
+    public int getType() {
+        return TGComponentManager.TMLAD_UNORDERED_SEQUENCE;
+    }
+    
+    public int getDefaultConnector() {
+      return TGComponentManager.CONNECTOR_TMLAD;
+    }  
+    
+}
diff --git a/src/ui/tmlad/TMLActivityDiagramToolBar.java b/src/ui/tmlad/TMLActivityDiagramToolBar.java
index 918648fa71f7be2e8f2ed99b8e6a0d75a5d60dbe..cff3dd814aab31cdf76a8d50276346bc2845329d 100755
--- a/src/ui/tmlad/TMLActivityDiagramToolBar.java
+++ b/src/ui/tmlad/TMLActivityDiagramToolBar.java
@@ -86,6 +86,7 @@ public class TMLActivityDiagramToolBar extends TToolBar {
 		mgui.actions[TGUIAction.TMLAD_FOR_STATIC_LOOP].setEnabled(b);
 		mgui.actions[TGUIAction.TMLAD_FOR_EVER_LOOP].setEnabled(b);
         mgui.actions[TGUIAction.TMLAD_SEQUENCE].setEnabled(b);
+		mgui.actions[TGUIAction.TMLAD_UNORDERED_SEQUENCE].setEnabled(b);
         mgui.actions[TGUIAction.ACT_ENHANCE].setEnabled(b);
 		mgui.actions[TGUIAction.ACT_TOGGLE_INTERNAL_COMMENT].setEnabled(b);
 		mgui.actions[TGUIAction.ACT_TOGGLE_DIPLO_ID].setEnabled(b);
@@ -164,6 +165,9 @@ public class TMLActivityDiagramToolBar extends TToolBar {
         
         button = this.add(mgui.actions[TGUIAction.TMLAD_SEQUENCE]);
         button.addMouseListener(mgui.mouseHandler);
+		
+		button = this.add(mgui.actions[TGUIAction.TMLAD_UNORDERED_SEQUENCE]);
+        button.addMouseListener(mgui.mouseHandler);
         
         this.addSeparator();