Rails spinoffs - Apr 2008 - Prototype - cache has no properies - Line 1557

Hello,

When testing on firefox version 1.0.7 i get the above error on this
line:

if (!cache[tagName]) cache[tagName]
Element.extend(document.createElement(tagName));

Exactly the same code works fine on later versions - any ideas?

Thanks.

Jonathan.
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Those vrowser version sare unsupported by Prototype:
http://prototypejs.org/download
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