Bug 156084 __bookmark doesn't work in pdf with frameset servlet
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/service/ViewerHTMLActionHandler.java
}
		
		link.append( ParameterAccessor.getQueryParameterString(
				ParameterAccessor.PARAM_MASTERPAGE, String
						.valueOf( this.isMasterPageContent ) ) );
		if ( realBookmark )
		{
			link.append( "#" ); 
			link.append( bookmark );
		}
		else
		{
			link.append( ParameterAccessor.getQueryParameterString(
					ParameterAccessor.PARAM_BOOKMARK, bookmark ) );
		}
		return link.toString( );
	}
	/**
	 * builds URL for drillthrough action
	 * 
	 * @param action
	 *            instance of the IAction instance
	 * @param context
	 *            the context for building the action string
	 * @return a URL
	 */
	protected String buildDrillAction( IAction action, IReportContext context )
	{
		if ( action == null || context == null )
			return null;