final FieldsetPanel fs = gridBuilder.newFieldset(getString("ldap.gidNumber"), getString("ldap.posixAccount"));
gidNumberField = new MinMaxNumberField<Integer>(fs.getTextFieldId(), new PropertyModel<Integer>(ldapGroupValues, "gidNumber"), 1,
65535);
WicketUtils.setSize(gidNumberField, 6);
fs.add(gidNumberField);
fs.addHelpIcon(gridBuilder.getString("ldap.gidNumber.tooltip"));
dependentLdapPosixFormComponentsList.add(gidNumberField);
if (ldapGroupValues.isPosixValuesEmpty() == true) {
final Button createButton = newCreateButton(dependentLdapPosixFormComponentsList);
fs.add(new SingleButtonPanel(fs.newChildId(), createButton, gridBuilder.getString("create"), SingleButtonPanel.NORMAL));
WicketUtils.addTooltip(createButton, gridBuilder.getString("ldap.gidNumber.createDefault.tooltip"));