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/service/ReportEngineService.java
* @param servletPath
	 * @param request
	 * @return HTML render option from the given arguments
	 */
	private HTMLRenderOption createHTMLRenderOption( boolean svgFlag,
			String servletPath, HttpServletRequest request )
	{
		String baseURL = null;
		boolean isDesigner = ParameterAccessor.isDesigner( request );
		
		if ( !isDesigner )
			baseURL = ParameterAccessor.getBaseURL( );
		if ( baseURL == null )
			baseURL = ""; 
		
		baseURL += request.getContextPath( );
		HTMLRenderOption renderOption = new HTMLRenderOption( );
		renderOption.setImageDirectory( ParameterAccessor
				.getImageTempFolder( request ) );
		renderOption.setBaseImageURL( baseURL + imageBaseUrl );
		if ( servletPath != null && servletPath.length( ) > 0 )
		{
			renderOption.setBaseURL( baseURL + servletPath );
		}
		else
		{
			renderOption.setBaseURL( baseURL + IBirtConstants.SERVLET_PATH_RUN );
		}
		renderOption.setEnableAgentStyleEngine( ParameterAccessor
				.isAgentStyle( request ) );