Form button helper

[eluser]mddd[/eluser]
Using the anchor here is wrong. The anchor function creates a html link! Including the <a > around it. That is not something you can put in a javascript onclick property.
I don't see why you couldn't put the string 'location.href ...' inside your $data = ... array. That would do it. It's not the form_button helper that is your problem, but the anchor helper.