Bug 176450 Support link to CSS Feature(Model Part)
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/css/StyleSheetLoader.java
* values into the given hash map.
	 * 
	 * @param cssValue
	 *            the value of the background-position
	 * @param properties
	 *            the hash map to store the result property values
	 * @return the error list during the parse
	 */
	List handleBackgroundPosition( String cssValue, LinkedHashMap properties )
	{
		assert cssValue != null;
		List errors = new ArrayList( );
		String[] values = cssValue.split( "[\\s]" ); 
		String positionX = null;
		String positionY = null;
		switch ( values.length )
		{
			case 0 :
				break;
			case 1 :
				positionX = values[0].trim( );
				break;
			case 2 :
				positionX = values[0].trim( );
				positionY = values[1].trim( );
				break;
			default :
				StyleSheetParserException exception = new StyleSheetParserException(
						StyleSheetParserException.DESIGN_EXCEPTION_INVALID_SHORT_HAND_CSSPROPERTY_VALUE,
						CssPropertyConstants.ATTR_BACKGROUND_POSITION, cssValue );