Accordion Sign-up Form

Hi,

I am creating a sign-up form in accordion component(using forms). Each accordion tab contains various text input fields. On the fourth tab I have kept the Submit button.

Now my problem is how do I refer the textInput box in first tab or form1 from form4?

I tried this

submit_btn.onRelease= function(){
var signinname = Accord.form1.signinname_txt.text;
trace(signinname)
}

It is not working? it says ‘undefined’. How do I refer to the textInput in first form.
Help me out!

Thanks!
Jay