I have some bug with "Remove value" button in lookup in CRM 2011.
Sometimes, when I open lookup, the button is disabled for some reason.
It doesn't look like some script bug, because it appears on different entities in different forms.
Bug only appears in Chrome, in IE and Mozilla button works fine.
I'm wondering if anybody know, is this really Chrome bug or just some script problem, and if yes - is there any way to fix it.

Thanks in anvance.