Add the link in an after_build callback to be a lot more robust. This way, we act after the noderefence fields got transformed into normal widgets by the form processing code. We can thus be pretty sure that the code we put in there will end up where we expect it too.

name = Node Reference with View popups
description = Adds a "Search" link to nodereference widgets which use the associated view
dependencies[] = nodereference
dependencies[] = views
package = User Interface
core = 6.x