From Overview of JavaScript I -- Basic Web Scripting Language CPS616 Technologies of the Information Age -- Spring Semester 99. byGeoffrey C. Fox (Tom Scavo)
The <FRAMESET> and <BODY> tags are mutually exclusive
No closing tag for <FRAME> is needed
A frameset document may contain a <SCRIPT> in its <HEAD>
Use <NOFRAMES> inside <FRAMESET> for frames-impaired browsers