#7 How to add effection to two select as IE operate by mouse click.

[jichunxiang]

Hi Sir
I am finish one task to automatic register. there is two select. the first select after selected. the second select's option value will auto changed depend on the first selection's value.
ie.selectLists(name, "REGION").get(1).select("中东");
I ues this code to operate the first selection, but there is no any effect to second select. is there any method?