1. Is it possible to modify the Placeholder text “Instant Search” in the instant search box to a custom value?
2. Is it possible to place an InputMask on the instant search box to force input to uppercase, for example?
3. Are the contents of the instant search box’s text field accessible in script code?
2. No, but the search is case insensitive.
3. Yes, in the Page Instant Search delegate.
Instant Search – http://www.lianja.com/doc/index.php/Instant_Search
Custom Delegates – http://www.lianja.com/doc/index.php/…Instant_Search
Also, see the Page Custom Search – http://www.lianja.com/doc/index.php/Custom_Search