crmForm.all.xxx_myfield.Disabled = true;
crmForm.all.xxx_myfield.readOnly = true;
This will disable any editing of the field by the user, but any data that is modified will still be saved.
I have some other stuff I will share with you soon aswell.
CRM and SharePoint Consultant
Thanks Gustaf – you've just saved me a whole load of pain!
Nice that such an old posting still can be useful!