Index: src/components/org/apache/jmeter/control/InterleaveControl.java
===================================================================
--- src/components/org/apache/jmeter/control/InterleaveControl.java	(revision 1761202)
+++ src/components/org/apache/jmeter/control/InterleaveControl.java	(working copy)
@@ -22,15 +22,19 @@
 
 import org.apache.jmeter.samplers.Sampler;
 import org.apache.jmeter.testelement.TestElement;
+import org.apache.jmeter.testelement.property.BooleanProperty;
 import org.apache.jmeter.testelement.property.IntegerProperty;
 
 /**
  * Alternate among each of the children controllers or samplers for each loop iteration
  */
 public class InterleaveControl extends GenericController implements Serializable {
-    private static final long serialVersionUID = 233L;
+    
+    private static final long serialVersionUID = 234L;
 
     private static final String STYLE = "InterleaveControl.style";// $NON-NLS-1$
+    
+    private static final String ACCROSS_THREADS = "InterleaveControl.accrossThreads";// $NON-NLS-1$
 
     public static final int IGNORE_SUB_CONTROLLERS = 0;
 
@@ -71,6 +75,14 @@
     public int getStyle() {
         return getPropertyAsInt(STYLE);
     }
+    
+    public void setInterleaveAccrossThreads(boolean accrossThreads) {
+        setProperty(new BooleanProperty(ACCROSS_THREADS, accrossThreads));
+    }
+
+    public boolean getInterleaveAccrossThreads() {
+        return getPropertyAsBoolean(ACCROSS_THREADS, false);
+    }
 
     /**
      * {@inheritDoc}
@@ -174,4 +186,16 @@
         stillSame = false;
         super.incrementCurrent();
     }
+
+    /* (non-Javadoc)
+     * @see org.apache.jmeter.control.GenericController#initialize()
+     */
+    @Override
+    public void initialize() {
+        super.initialize();
+        // get a different start index
+        if(getInterleaveAccrossThreads()) {
+            this.current = getThreadContext().getThreadNum()%getSubControllers().size();
+        }
+    }
 }
Index: src/components/org/apache/jmeter/control/gui/InterleaveControlGui.java
===================================================================
--- src/components/org/apache/jmeter/control/gui/InterleaveControlGui.java	(revision 1761202)
+++ src/components/org/apache/jmeter/control/gui/InterleaveControlGui.java	(working copy)
@@ -30,6 +30,8 @@
     private static final long serialVersionUID = 240L;
 
     private JCheckBox style;
+    
+    private JCheckBox accrossThreads;
 
     public InterleaveControlGui() {
         init();
@@ -38,11 +40,13 @@
     @Override
     public void configure(TestElement el) {
         super.configure(el);
-        if (((InterleaveControl) el).getStyle() == InterleaveControl.IGNORE_SUB_CONTROLLERS) {
+        InterleaveControl controller = (InterleaveControl) el;
+        if (controller.getStyle() == InterleaveControl.IGNORE_SUB_CONTROLLERS) {
             style.setSelected(true);
         } else {
             style.setSelected(false);
         }
+        accrossThreads.setSelected(controller.getInterleaveAccrossThreads());
     }
 
     @Override
@@ -65,6 +69,8 @@
         } else {
             ((InterleaveControl) ic).setStyle(InterleaveControl.USE_SUB_CONTROLLERS);
         }
+        
+        ((InterleaveControl) ic).setInterleaveAccrossThreads(accrossThreads.isSelected());
     }
 
     /**
@@ -74,6 +80,7 @@
     public void clearGui() {
         super.clearGui();
         style.setSelected(false);
+        accrossThreads.setSelected(false);
     }
 
     @Override
@@ -89,5 +96,8 @@
 
         style = new JCheckBox(JMeterUtils.getResString("ignore_subcontrollers")); // $NON-NLS-1$
         add(CheckBoxPanel.wrap(style));
+        
+        accrossThreads = new JCheckBox(JMeterUtils.getResString("interleave_accross_threads")); // $NON-NLS-1$
+        add(CheckBoxPanel.wrap(accrossThreads));
     }
 }