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
return filePath;
			
			if ( isRelativePath( workingFolder ) )
			{
				filePath = getRealPath( workingFolder + "/" + filePath, request 
						.getSession( ).getServletContext( ) );
			}
			else
			{
				filePath = workingFolder + File.separator + filePath;
			}
		}
		return filePath;
	}
	/**
	 * Create the file path of the the document. The document will be put under
	 * the document folder based on different session id.
	 * 
	 * @param filePath
	 *            the document path cretaed from the report design file.
	 * @param request
	 *            Http request, used to get the session Id.
	 * @return
	 * @throws AxisFault
	 */
	protected static String createDocumentPath( String filePath,
			HttpServletRequest request )
	{
		String documentName = null;
		if ( ( filePath == null ) || ( filePath.length( ) == 0 ) )