tm1000/Caller-ID-Superfecta — comment on commit 43ea99eaad2b11864b5cf43b0460f4abf48bc001
File: page.superfecta.php line 262
By ukstevef:

Having slept on this, the solution is easier.
Add the checkbox with a default value of ```on``` and if the cache is on set the ```checked``` attribute of the checkbox.
You do not need the javascript, when looking at the post data the value will only be there if it is on.