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/ScriptEvalUtil.java
catch ( BirtException e )
				{
					throw new DataException( ResourceConstants.CONVERT_TO_DATATYPE_ERROR,
							new Object[]{
									expr4Exception, Double.class
							} );
				}
			}
			else if ( obj instanceof Date )
			{
				try
				{
					obArray[0] = DataTypeUtil.toDate( obj );
					expr4Exception = op1.exprText;
					obArray[1] = DataTypeUtil.toDate( obArray[1] );
					if ( obArray[2] != null )
					{
						expr4Exception = op2.exprText;
						obArray[2] = DataTypeUtil.toDate( obArray[2] );
					}
				}
				catch ( BirtException e )
				{
					throw new DataException( ResourceConstants.CONVERT_TO_DATATYPE_ERROR,
							new Object[]{
									expr4Exception, Date.class
							} );
				}
			}
			else if ( obj instanceof Boolean )