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
*            url defined on element
	 * @param txt
	 *            element's value
	 */
	private void addData( Object design, IStyle style, HyperlinkDef url, String txt )
	{
		Span span = (Span) design2ExcelSpan.get( design );
		
		
		if ( span == null )
		{
			return;
		}
		
		StyleEntry entry = engine.getStyle( style, span );
		
		Data data = new Data( txt, INVALID, span, url, entry );
		for ( int col = span.getCol( ); col < span.getCol( )
				+ span.getColSpan( ) + 1; col++ )
		{
			if ( url != null && url.getBookmark( ) != null )
			{
				String cellID = convertCharacter( col )
						+ ( lb.getListSize( col ) + 1 );
				if ( bookmarkList.get( url.getBookmark( ) ) == null )
				{
					bookmarkList.put( url.getBookmark( ), cellID );
				}
			}
			lb.add( col, data );