Bug 189586 [smoke]Fail to preview template item in xls format..[1203]
engine/org.eclipse.birt.report.engine.emitter.prototype.excel/src/org/eclipse/birt/report/engine/emitter/excel/ExcelEmitter.java
Action act = new Action( linkaction );
				IHTMLActionHandler actionHandler = null;
				Object ac = eservice
						.getOption( RenderOptionBase.ACTION_HANDLER );
				if ( ac != null && ac instanceof IHTMLActionHandler )
				{
					actionHandler = (IHTMLActionHandler) ac;
					actionHandler.getURL( act, null );
					return new HyperlinkDef( actionHandler.getURL( act,
							eservice.getReportContext( ) ),
							IHyperlinkAction.ACTION_DRILLTHROUGH, null );
				}
			}
		}
		else if ( getBookMark( content ) != null )
		{
			return getBookMark( content );
		}
		return null;
	}
	
	public HyperlinkDef getBookMark( IContent content )
	{
		if ( content.getBookmark( ) != null
				&& !( content.getBookmark( ).startsWith( "__TOC" ) ) )
		{
			return new HyperlinkDef( null, -1, content.getBookmark( ) );
		}
		else
		{