To replace text that appears in scripts attached to multiple objects on your form, select the root subform of your form (by default: form1) and select Show Events for Child Objects and then perform the procedure above.
Caution: Although it is possible to edit XML source code directly in the XML Source tab, it is recommended that you do not make any changes unless you are familiar with the Adobe XML Forms Architecture. For more information about the XML Forms Architecture, see www.adobe.com/devnet/livecycle/.