@@ -, +, @@ 
 yet...
---
 .../apache/jmeter/resources/messages.properties    |  4 ++
 .../protocol/jms/control/gui/JMSSamplerGui.java    | 64 ++++++++++++++++++++--
 2 files changed, 64 insertions(+), 4 deletions(-)
--- a/src/core/org/apache/jmeter/resources/messages.properties	
+++ a/src/core/org/apache/jmeter/resources/messages.properties	
@@ -476,6 +476,10 @@ jms_publisher=JMS Publisher
 jms_pwd=Password
 jms_queue=Queue
 jms_queue_connection_factory=QueueConnection Factory
+jms_load_generation_mode=Load Generation Mode
+jms_load_generation_mode_synchronous=Synchronous / wait for each reply
+jms_load_generation_mode_asynchronous=Asynchronous
+jms_load_generation_use_temp_reply_queue=Use temp reply queue
 jms_queueing=JMS Resources
 jms_random_file=Random folder containing files ending with .dat for bytes messages, .txt or .obj for text and Object messages
 jms_receive_queue=JNDI name Receive queue
--- a/src/protocol/jms/org/apache/jmeter/protocol/jms/control/gui/JMSSamplerGui.java	
+++ a/src/protocol/jms/org/apache/jmeter/protocol/jms/control/gui/JMSSamplerGui.java	
@@ -19,13 +19,19 @@ 
 package org.apache.jmeter.protocol.jms.control.gui;
 
 import java.awt.BorderLayout;
+import java.awt.Dimension;
+import java.awt.FlowLayout;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
 
 import javax.swing.BorderFactory;
 import javax.swing.Box;
+import javax.swing.ButtonGroup;
 import javax.swing.JCheckBox;
 import javax.swing.JComboBox;
 import javax.swing.JLabel;
 import javax.swing.JPanel;
+import javax.swing.JRadioButton;
 
 import org.apache.jmeter.config.Arguments;
 import org.apache.jmeter.config.gui.ArgumentsPanel;
@@ -54,7 +60,7 @@ public class JMSSamplerGui extends AbstractSamplerGui {
 
     private JLabeledTextField sendQueue = new JLabeledTextField(JMeterUtils.getResString("jms_send_queue")); //$NON-NLS-1$
 
-    private JLabeledTextField receiveQueue = new JLabeledTextField(JMeterUtils.getResString("jms_receive_queue")); //$NON-NLS-1$
+    private JLabeledTextField receiveQueue = new JLabeledTextField(JMeterUtils.getResString("jms_receive_queue"), 45); //$NON-NLS-1$
 
     private JLabeledTextField timeout = new JLabeledTextField(JMeterUtils.getResString("jms_timeout"),10); //$NON-NLS-1$
 
@@ -80,6 +86,10 @@ public class JMSSamplerGui extends AbstractSamplerGui {
 
     private ArgumentsPanel jndiPropertiesPanel;
 
+    private JRadioButton jmsLoadGenerationModeSyncRadio;
+    private JRadioButton jmsLoadGenerationModeAsyncRadio;
+    private JCheckBox useTempReplyQueue;
+    
     private JCheckBox useNonPersistentDelivery;
 
     private JCheckBox useReqMsgIdAsCorrelId;
@@ -218,11 +228,56 @@ public class JMSSamplerGui extends AbstractSamplerGui {
         sendQueuePanel.add(sendQueue);
         jmsQueueingPanel.add(sendQueuePanel, BorderLayout.CENTER);
 
-        JPanel receiveQueuePanel = new JPanel(new BorderLayout(5, 0));
-        receiveQueuePanel.add(jmsSelector,BorderLayout.SOUTH);
+        final JPanel receiveQueuePanel = new JPanel(new BorderLayout(5, 0));
+
         receiveQueuePanel.add(receiveQueue,BorderLayout.NORTH);
-        jmsQueueingPanel.add(receiveQueuePanel, BorderLayout.SOUTH);
+        receiveQueuePanel.add(jmsSelector,BorderLayout.SOUTH);
 
+// *********
+        JPanel loadGenerationModePanel = new JPanel(new FlowLayout());
+        final JPanel tempReplyOrNotPanel = new JPanel(new FlowLayout(FlowLayout.LEFT));
+        loadGenerationModePanel.setBorder(BorderFactory.createTitledBorder(BorderFactory.createEtchedBorder(),
+                JMeterUtils.getResString("jms_load_generation_mode"))); //$NON-NLS-1$
+        
+        jmsLoadGenerationModeSyncRadio = new JRadioButton(JMeterUtils.getResString("jms_load_generation_mode_synchronous"));
+        jmsLoadGenerationModeSyncRadio.addActionListener(new ActionListener() {
+            @Override
+            public void actionPerformed(ActionEvent e) {
+              tempReplyOrNotPanel.setVisible(false);
+            }
+        });
+        
+        jmsLoadGenerationModeAsyncRadio = new JRadioButton(JMeterUtils.getResString("jms_load_generation_mode_asynchronous"),true);
+        jmsLoadGenerationModeAsyncRadio.addActionListener(new ActionListener() {
+          @Override
+          public void actionPerformed(ActionEvent e) {
+            tempReplyOrNotPanel.setVisible(true);
+          }
+        });
+
+        ButtonGroup loadGenerationRadioGroup = new ButtonGroup();
+        loadGenerationRadioGroup.add(jmsLoadGenerationModeSyncRadio);
+        loadGenerationRadioGroup.add(jmsLoadGenerationModeAsyncRadio);
+        
+        loadGenerationModePanel.add(jmsLoadGenerationModeSyncRadio);
+        loadGenerationModePanel.add(jmsLoadGenerationModeAsyncRadio);
+        
+        useTempReplyQueue = new JCheckBox(JMeterUtils.getResString("jms_load_generation_use_temp_reply_queue"),true);
+        useTempReplyQueue.addActionListener(new ActionListener() {
+          @Override
+          public void actionPerformed(ActionEvent e) {
+            if (((JCheckBox)e.getSource()).isSelected()) {  
+              receiveQueuePanel.setVisible(false);
+            } else {
+              receiveQueuePanel.setVisible(true);
+            }
+          }
+        });
+        tempReplyOrNotPanel.add(useTempReplyQueue);
+        tempReplyOrNotPanel.add(receiveQueuePanel);
+        receiveQueuePanel.setVisible(false);
+        jmsQueueingPanel.add(tempReplyOrNotPanel, BorderLayout.SOUTH);
+// *********        
         JPanel messagePanel = new JPanel(new BorderLayout());
         messagePanel.setBorder(BorderFactory.createTitledBorder(BorderFactory.createEtchedBorder(),
                 JMeterUtils.getResString("jms_message_title"))); //$NON-NLS-1$
@@ -265,6 +320,7 @@ public class JMSSamplerGui extends AbstractSamplerGui {
 
         Box mainPanel = Box.createVerticalBox();
         add(mainPanel, BorderLayout.CENTER);
+        mainPanel.add(loadGenerationModePanel, BorderLayout.NORTH); // GJD
         mainPanel.add(jmsQueueingPanel, BorderLayout.NORTH);
         mainPanel.add(messagePanel, BorderLayout.CENTER);
         JPanel jndiPanel = createJNDIPanel();
--