blurHandlerRegistration.removeHandler();
blurHandlerRegistration = null;
blurJs = js;
if(!js.trim().isEmpty())
{
blurHandlerRegistration = super.getTextBox().addBlurHandler(new BlurHandler() {
@Override
public void onBlur(BlurEvent event) {
VkStateHelper.getInstance().getEventHelper().executeEvent(blurJs, event, true);
}
});