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/BirtGetPageActionHandler.java
{
	/**
	 * Constructor.
	 * 
	 * @param context
	 * @param operation
	 */
	public BirtGetPageActionHandler( IContext context, Operation operation,
			GetUpdatedObjectsResponse response )
	{
		super( context, operation, response );
	}
	/**
	 * 
	 */
	protected String __getReportDocument( )
	{
		return __bean.getReportDocumentName( );