Bug 193231 RCP designer does not display Preview tab and View menu.
On RCP designer, Preview tab is missing and View Report menus. Please check the attached screen shot for detail.
viewer/org.eclipse.birt.report.viewer/src/org/eclipse/birt/report/viewer/utilities/WebViewer.java
*/
	public final static String SERVLET_NAME_KEY = "SERVLET_NAME_KEY"; 
	/**
	 * Key to indicate the 'resourceFolder'.
	 */
	public final static String RESOURCE_FOLDER_KEY = "RESOURCE_FOLDER_KEY"; 
	/**
	 * Key to indicate the 'maxRows'
	 */
	public final static String MAX_ROWS_KEY = "MAX_ROWS_KEY"; 
	/**
	 * Property to indicate whether it is a report debug mode
	 */
	public final static String REPORT_DEBUT_MODE = "report_debug_mode"; 
	/**
	 * locale mapping. Save some time.
	 */
	public static TreeMap LocaleTable = null;
	static
	{
		
		LocaleTable = new TreeMap( );
		Locale[] locales = Locale.getAvailableLocales( );
		if ( locales != null )
		{
			for ( int i = 0; i < locales.length; i++ )
			{
				Locale locale = locales[i];
				if ( locale != null )
				{