[SMARTY] [TIP] popup tag overlib tricky cross platform problem solved

Hello,

I spent today trying to nail down an elusive problem with overlib 
(version 421) popups showing on Mac Safari and Firefox but not on 
Win2000Pro. In IE6 I was getting a javascript error 'over is null or not 
an object'.

The problem was that I had a duplicate {popup_init src="overlib.js"} tag 
in an included template. Once I removed the extra popup_init tag the 
problem went away.

I'm sending this out so that it can make it into the archives and save 
someone else the trouble I had.

BTW, I know it really is an application level problem, but is there a 
way to warn smarty users that popup_init has been called twice?

Cheers,
dc

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