ZVON > References > XHTML Reference
    Frameset XHTML   

Attribute: onfocus
Parent: a [Go to standard]
Values: script expression
Parent: area [Go to standard]
Values: script expression
Parent: button [Go to standard]
Values: script expression
Parent: input [Go to standard]
Values: script expression
Parent: label [Go to standard]
Values: script expression
Parent: select [Go to standard]
Values: script expression
Parent: textarea [Go to standard]
Values: script expression