I am sorry to bother you guys, I am able to dig up god knows what with searchengines but I am at my wits end in this case.
I think GetUnity() is defined right in the html itself, it's not like an API function or anything.
Everything I've needed is here: http://unity3d.com/support/documentation/Manual/Unity%20Web%20Player%20and%20browser%20communication.html
GetUnity() returns a DOM element which is either an or an .
Here are the standard members that all DOM elements share:
Here are the members specific to :
is not a standard DOM element, but it will at least support the standard DOM elements' members.