xPage: Could not load 'imb.xsp.widget.layout.TypeAhead'

Does somenody saw such issue? Got it when added typeAhead to customer control. It works fine when I open new document, but when I go to edit mode always get such message, any ideas?

xPage: date picker does not work in IE8

Just found that standard date picker does not work properly in IE8 (it always refresh page when we click on date/time picker. That's not funny :/ question - why do all another browsers work fine?

Workaround
http://www-10.lotus.com/ldd/nd85forum.nsf/0/579744cf7198e21785257731006c9cea?OpenDocument