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
renderOption.setSupportedImageFormats( svgFlag
				? "PNG;GIF;JPG;BMP;SVG" : "PNG;GIF;JPG;BMP" ); 
		return renderOption;
	}
	/**
	 * Create PDF render option.
	 * 
	 * @param servletPath
	 * @param request
	 * @param isDesigner
	 * @return the PDF render option
	 */
	private PDFRenderOption createPDFRenderOption( String servletPath,
			HttpServletRequest request, boolean isDesigner )
	{
		String baseURL = null;
		
		if ( !isDesigner )
			baseURL = ParameterAccessor.getBaseURL( );
		if ( baseURL == null )
			baseURL = ""; 
		
		baseURL += request.getContextPath( );
		PDFRenderOption renderOption = new PDFRenderOption( );
		if ( servletPath != null && servletPath.length( ) > 0 )
		{
			renderOption.setBaseURL( baseURL + servletPath );
		}
		else
		{