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
* 
	 * @param request
	 *            http request
	 * @return report page number
	 */
	public static int getPage( HttpServletRequest request )
	{
		int page = getParameterAsInt( request, PARAM_PAGE );
		if ( page > 0 )
			return page;
		String servletPath = request.getServletPath( );
		if ( IBirtConstants.SERVLET_PATH_FRAMESET
				.equalsIgnoreCase( servletPath )
				&& PARAM_FORMAT_HTML.equalsIgnoreCase( getFormat( request ) ) )
		{
			page = 1;
		}
		else
		{
			page = 0;
		}
		return page;
	}
	/**
	 * Get report page range from Http request.
	 * 
	 * @param request
	 *            http request
	 * @return report page range
	 */