Bug 193875 we can not get an entir url by IHTMLActionHandler
we can not get an entir url by IHTMLActionHandler, so word emitter dose not write the right url. now hyperlink drill through in word emitter doesn't work.
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/utility/ParameterAccessor.java
Pattern p = Pattern.compile( "\\$\\s*\\{([^\\}]*)\\}\\s*(.*)", 
				Pattern.CASE_INSENSITIVE );
		Matcher m = p.matcher( path );
		if ( m.find( ) )
		{
			String sysPath = DataUtil.trimSepEnd( System.getProperty( m.group(
					1 ).trim( ) ) );
			if ( sysPath.length( ) <= 0 )
				return DataUtil.trimSepFirst( m.group( 2 ).trim( ) );
			else
				return sysPath + m.group( 2 ).trim( );
		}
		return path;
	}
	/**
	 * Process working folder setting. If path is a relative path, first
	 * relative to context.
	 * 
	 * @param context
	 * @param path
	 * @return
	 */
	public static String processWorkingFolder( ServletContext context,
			String path )
	{
		path = convertSystemPath( DataUtil.trimString( path ) );
		String realPath = null;
		
		if ( isRelativePath( path ) )
		{