How to Make a Page Read-Only
After you have designed a page, you may want to protect it from accidental changes. To do so, you can make it read-only. If pages have been set to read-only, this is indicated in the title bar of the object tree.
You cannot change the properties of a page that is currently open in the design area. Close the info page first.
To make a page read-only:
To make a page read-write again, clear the Read-only check box.