addEvent() recoding contest entry

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Remove border effect.

This is an implementation of my AddEvent Manager script. Please see that for an explanation, details and instructions!

Alternatively, here's a short list of the main advantages this function has over other comparable addEvent() implementations:

• "this" keyword preserved within assigned event handlers.
• Works in IE/Mac too (via DOM0 event model).
• Executes all events in order of assignment (unlike attachEvent-based functions).
• Doesn't allow duplicate function registrations.
• Will allow adding identical methods of non-identical objects (i.e. it doesn't hash the function source code for a unique key value like some scripts).
• Doesn't leak memory in IE.
• Easily compatible with other event manager scripts for "unobtrusive" usage, and legacy scripts that "return false" to cancel events.
• Tiny code size - as little as 497 bytes for just addEvent() and 850 bytes for the whole script with whitespace removed!