* return the Dialog for inscription
* @param inscriptionDialogId
* @return
*/
public Dialog getInscriptionDialog(String inscriptionDialogId){
DialogSettings settings = new DialogSettings();
settings.setModal(true);
settings.setDraggable(true);
settings.setFixCenter(true);
settings.setUnderlay(UnderlayType.SHADOW);
settings.setVisible(false);
settings.setModal(true);
Dialog userInscription = new Dialog(inscriptionDialogId, new Model("Inscription"), settings){
@Override
public Panel createContent(String arg0) {