guideLabel .setText( Messages .getString( "FormatDateTimePage.label.guide.text" ) );
guideLabel.setText( ENTER_DATE_TIME_GUIDE_TEXT );
				public void modifyText( ModifyEvent e )				{					if ( hasLoaded )					{						setPreviewText( previewTextBox.getText( ) );					}					if ( StringUtil.isBlank( previewTextBox.getText( ) ) )					{						guideLabel.setText( "" ); //$NON-NLS-1$					}					else					{						guideLabel								.setText( Messages										.getString( "FormatDateTimePage.label.guide.text" ) ); //$NON-NLS-1$					}				}