Hi, Corrine.
Thanks for the answer.
"modification on line 377 in method"... Yes, but I must still enhance the class and copy method in the Z then I have to monitor the work of other fields Advanced Search and think about the problems of updates, etc.(I regard this as an extreme case)
Trigger Server roundtrip for date field - the fine example of a beautiful girl)). It prompted me to think about javascript. But I do not know much JavaScript, and therefore asked whether it is possible to do the same trick with the field OPTION.