Bug 176450 Support link to CSS Feature(Model Part)
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/util/ModelUtil.java
referenceElements.add( tmpElement );
		}
		for ( int i = 0; i < referenceElements.size( ); i++ )
		{
			if ( isRecursiveReference( reference,
					(ReferenceableElement) referenceElements.get( i ) ) )
				return true;
		}
		return false;
	}
	/**
	 * Returns the URL object of the given string. If the input value is in URL
	 * format, return it. Otherwise, create the corresponding file object then
	 * return the url of the file object.
	 * 
	 * @param filePath
	 *            the file path
	 * @return the URL object or <code>null</code> if the
	 *         <code>filePath</code> cannot be parsed to the URL.
	 */
	public static URL getURLPresentation( String filePath )
	{
		try
		{
			return new URL( filePath );
		}
		catch ( MalformedURLException e )
		{
		}
		try