Bug 307327 BIDI3.6:In-line component positioning problem in RTL Reports
engine/org.eclipse.birt.report.engine.emitter.html/src/org/eclipse/birt/report/engine/emitter/html/HTMLReportEmitter.java
*/
	protected boolean handleAction( IHyperlinkAction action )
	{
		String url = validate( action );
		if ( url != null )
		{
			outputAction( action, url );
		}
		return url != null;
	}
	/**
	 * Outputs an hyperlink action.
	 * 
	 * @param action
	 *            the hyperlink action.
	 */
	protected void outputAction( IHyperlinkAction action, String url )
	{
		writer.openTag( HTMLTags.TAG_A );
		writer.attribute( HTMLTags.ATTR_HREF, url );
		writer.attribute( HTMLTags.ATTR_TARGET, action.getTargetWindow( ) );
		writer.attribute( HTMLTags.ATTR_TITLE, action.getTooltip( ));
	}
	/**
	 * Judges if a hyperlink is valid.
	 * 
	 * @param action
	 *            the hyperlink action
	 * @return
	 */