return _showPresentationControls.equals("true");
return _showPresentationControls.booleanValue();
    public boolean showPresentationControls() {        if (_showPresentationControls == null) {            Object v = (Object)this.valueForBinding("showPresentationControls");            if (ERXValueUtilities.booleanValue(v)) {                _showPresentationControls = "true";            }else {                _showPresentationControls = "false";            }        }        return _showPresentationControls.equals("true");    }