Rotating object around global axises.

Hi there. I'm writing a simple Java3D application, intended for viewing a object loaded from OBJ file, allowing user to scale and rotating this object, by using keyboard, around all axises.
My problem is, that every rotation is occurring around local axises, apparently relative to object, and my intention is, to rotate object relatively to world's coordinations or just camera's.
My Behaviour class code goes here:
(some variables names are in my native language)
public static class ObjectManipulation extends Behavior{
    private TransformGroup targetTG;
    private Transform3D trans = new Transform3D();
    private Transform3D temp_trans = new Transform3D();
    private double skala = 0.4f;
    ObjectManipulation(TransformGroup targetTG) {
        this.targetTG = targetTG;
    public void initialize() {
        this.wakeupOn(new WakeupOnAWTEvent(KeyEvent.KEY_PRESSED));
    public void processStimulus(Enumeration criteria) {
    WakeupCriterion wakeup;
    AWTEvent[] event;
        while( criteria.hasMoreElements() ) {
          wakeup = (WakeupCriterion) criteria.nextElement();
          if(wakeup instanceof WakeupOnAWTEvent) {
                event = ((WakeupOnAWTEvent)wakeup).getAWTEvent();
                    for( int i = 0; i < event.length; i++ ) {
                        if( event.getID() == KeyEvent.KEY_PRESSED )
checkEvent((KeyEvent)event[i]);
this.wakeupOn(new WakeupOnAWTEvent(KeyEvent.KEY_PRESSED));
private void checkEvent(KeyEvent ke) {
int klawisz = ke.getKeyCode();
if(klawisz == KeyEvent.VK_S) {
temp_trans.rotY(Math.PI/10.0f);
trans.mul(temp_trans);
targetTG.setTransform(trans);
} else if (klawisz == KeyEvent.VK_A) {
temp_trans.rotY(Math.PI/-10.0f);
trans.mul(temp_trans);
targetTG.setTransform(trans);
} else if (klawisz == KeyEvent.VK_W) {
temp_trans.rotX(Math.PI/10.0f);
trans.mul(temp_trans);
targetTG.setTransform(trans);
} else if (klawisz == KeyEvent.VK_Z) {
temp_trans.rotX(Math.PI/-10.0f);
trans.mul(temp_trans);
targetTG.setTransform(trans);
} else if (klawisz == KeyEvent.VK_X) {
temp_trans.rotZ(Math.PI/10.0f);
trans.mul(temp_trans);
targetTG.setTransform(trans);
} else if (klawisz == KeyEvent.VK_C) {
temp_trans.rotZ(Math.PI/-10.0f);
trans.mul(temp_trans);
targetTG.setTransform(trans);
} else if (klawisz == KeyEvent.VK_M) {
if(skala > 0.1f) {
skala -= 0.1f;
} else {
skala = 0.0f;
trans.setScale(skala);
targetTG.setTransform(trans);
} else if (klawisz == KeyEvent.VK_N) {
if(skala <= 3.0f) {
skala += 0.1f;
} else {
skala = 3.0f;
trans.setScale(skala);
targetTG.setTransform(trans);

OK, using the tornado example. i want the point where the 'tornado' meets the 'ground' to spin so that the 'tornado', well, looks like a tornado, spinning around a specific, i.e. x,y,z pixel. instead i have a tornado that seems to be pulling doughnuts in the farm carving out a huge cirlce (like the aliens do) rather than what a stationery tornado would carve out (if there was such a thing).
if it helps, think about the bounding box that surrounds an object or layer. the entire bounding box spins around the anchor point, or at least that's what it seems it is doing. it draws a huge circle that it ROTATES around rather then one point that is SPINS around. think about rotating a camera around it's Y axis, the whole box rotates, moving everything rather than spinning without moving. thanks.
hope this helps.

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