Bug 130631 Sliding job should be a system job
20050306 The title are dialog sliding job is showing up in my progress view. It should be a system job.
bundles/org.eclipse.jface/src/org/eclipse/jface/dialogs/TitleAreaDialog.java
}            
            if(messageArea == null){
            	
                messageArea = new MessageArea(titleArea, SWT.NULL);
        		messageArea.setBackground(messageLabel.getBackground());
       		
        		Policy.getAnimator().setAnimationState(ControlAnimator.CLOSED);
              }
            
            messageArea.setText(errorMessage);
        	messageArea.setImage(JFaceResources.getImage(DLG_IMG_TITLE_ERROR));
            setMessageAreaVisible(true);
         }
     }
    
	/**
	 * Sets whether the message area should appear or dissapear
	 * 
	 * @param visible
	 * 			<code>true</code> if the message area should be 
	 * 			displayed, and <code>false</code> otherwise.
	 */
	private void setMessageAreaVisible(boolean visible) {
		
		
		 
		switch (Policy.getAnimator().getAnimationState()) {
		case ControlAnimator.OPENING:
		case ControlAnimator.OPEN:
			if (visible)