CollapsiblePanelExtender not work in IE

in DotNetNuke module,i tried CollapsiblePanelExtender, it wor开发者_如何学运维k fine with FF,it alway explan with IE?

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Make sure the doctype for your skin is correct - this was something i ran into a lot.

Might also suggest you use jQuery to get the same effect its lighter and actually easier to use.