How can we use YUI 2.9 and YUI 3.3 on same html?

In CMS I am using there is default javascript library YUI 3.3 and there is one component custom gallery using yui 2.9.

I want to incl开发者_开发百科ude this component in this CMS, what is best possible way to make work both default yui and also custom yui?

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I guess you could look at http://developer.yahoo.com/yui/3/examples/yui/yui-compat.html for an example