HOWTO: Avoid go to detail block without fullfill the master block?

Hi:
I have a master detail form with 2 blocks. When the user open the form the focus is on the first text item (required = yes) of the master block. If the user tries to get out of that item with keyboard (tab or enter), it gets the correct message saying that the item is required and must be filled. But the problem starts when the user click with the mouse on another item of the detail block. Here, I will have 8 or 9 messages saying that is impossible to create records without a master record. This is really annoying. This message has no ID (FRM-XXXXX), and I really must get a way to forbide users to go to the detail block without filling required items in the master.
Anyone?
Best Regards
Joao

Hello,
if there is a relation between the two blocks double click on that rel.and mark the check box property:prevent Masterless operation try this option and tell me what's ur feed back..?
Regards,
Abdetu..

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HOWTO: Avoid go to detail block without fullfill the master block?

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