Bug 123726 "Top n", "Bottom n" in highlight dialog doesn't work.
Description: "Top n", "Bottom n" in highlight dialog doesn't work. Steps to reproduce: 1. Add a highlight for a table. 2. Set highlight rule: "account_id", "top n", "3", let its font color red. 3. Preview the report, it doesn't work. Attached is design file.
data/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/script/NEvaluator.java
valueList = new Object[N];
			rowIdList = new int[N];
		}
		populateValueListAndRowIdList( value, N );
		return true;
	}
	/**
	 * @param value
	 * @param N
	 * @throws DataException
	 */
	private void populateValueListAndRowIdList( Object value, int N ) throws DataException
	{
		assert N>=0;
		for( int i = 0; i < N; i++ )
		{
			if( value == null )
				value = nullValueReplacer;
			if( valueList[i] == null )
			{
				valueList[i] = value;
				rowIdList[i] = firstPassRowNumberCounter;
				break;
			}
			else 
			{
				Object result;
				
				if( value.equals(nullValueReplacer) )
					result = this.doCompare( null, valueList[i]);