Below is our requirement
1. In the screen have a drop down custom field called Customer Name
2. Have one new list box filed next to it called "Add a new Customer Yes/No with Default value as No
3. If the user selects Yes to the above, popup a new screen to add a new customer name to the above drop down...
4. After new Customer name is added refresh the Customer name dropdown bring up that added new value to the field...
Please let us know the possibility