Bug 132914 "Invalid page number" error message is hard coded.
"Invalid page number" error message is hard coded in DocumentProcessor.java. This must be externalized into *.properties file. If there are other hard coded error messages, please also externalize.
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/service/actionhandler/AbstractBaseActionHandler.java
* @param params
	 * @param bean
	 * @param document
	 * @return
	 * @throws RemoteException
	 */
	protected String getBookmark( Oprand[] params, BaseAttributeBean bean )
	{
		assert bean != null;
		String bookmark = null;
		if ( params != null && params.length > 0 )
		{
			for ( int i = 0; i < params.length; i++ )
			{
				if ( IBirtConstants.OPRAND_BOOKMARK.equalsIgnoreCase( params[i]
						.getName( ) ) )
				{
					bookmark = params[i].getValue( );
					break;
				}
			}
		}
		
		if ( bookmark == null || bookmark.length( ) <= 0 )
		{
			bookmark = bean.getBookmark( );
		}
		return bookmark;
	}
	/**