Bug 166307 Thai font in csv/excel export
I run birt-viewer 2.1.1 and export data to csv format, birt can generate correct but in field of thai font birt display font that cannot understand. I need to fix this ploblem quickly to close my project, please anyone help me. Thanks you very much for your solution. Sudhlo
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/utility/ParameterAccessor.java
* @param projectName
	 * @return
	 */
	private static String validateProjectName( String projectName )
	{
		if ( projectName == null )
			return projectName;
		if ( projectName.indexOf( ":" ) != -1 ) 
			projectName = projectName.substring( 0, projectName.indexOf( ":" ) ); 
		if ( !"\\".equals( projectName.substring( 0, 1 ) ) 
				&& !"/".equals( projectName.substring( 0, 1 ) ) ) 
		{
			projectName = File.separator + projectName;
		}
		return projectName;
	}
	/**
	 * Clears the report document files which had been created last time the
	 * server starts up.
	 */
	protected static void clearDocuments( )
	{
		String targetFolder = documentFolder + File.separator + DOCUMENTS_DIR;
		File file = new File( targetFolder );
		boolean success = file.delete( );
		if ( !success )
			deleteDir( file );
	}
	/**
	 * Deletes all files and subdirectories under dir. Returns true if all