Master page contains all the derived page controls inside the ContentPlaceHolder. So the controls are assigned to a dynamic id with the PlaceHolder prefix. i.e. "ctl00_ContentPlaceHolder1_divOther", so instead of hard coding the control name in the javascript you can do something like this :
document.getElementById("");
Monad: Microsoft's next generation command-line scripting enviroment for windows. Wich allows simple sciptble machine managemenet.
Blackcomb: Code name for windows following vista.