Bug 195613 drill through to toc in target report does not work properly[04]
steps to reproduce: use attached reports preview new_report_9.rptdesign in PDF click on actuate logo expected behavior: data item of 2nd page (toc) in target report is displayed actual behavior: target report was reached, but failed to navigated to the toc item
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/service/ViewerHTMLActionHandler.java
}
		}
		return null;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.engine.api.HTMLActionHandler#getURL(org.eclipse.birt.report.engine.api.IAction,
	 *      java.lang.Object)
	 */
	public String getURL( IAction actionDefn, Object context )
	{
		if ( actionDefn == null )
			return null;
		if ( context instanceof IReportContext )
			return getURL( actionDefn, (IReportContext) context );
		throw new IllegalArgumentException( "The context is of wrong type." ); 
	}
	/**
	 * Build URL for bookmark.
	 * 
	 * @param action
	 * @param context
	 * @return the bookmark url
	 */
	protected String buildBookmarkAction( IAction action, IReportContext context )
	{
		if ( action == null || context == null )
			return null;