How to do pop-up after Submit form?

[toplisek]

I would liek to use
<script type="text/javascript">
App.Widgets.PopupAuthForm.init();
</script>

How to do it in correct way?

[Fotiman]

You want to do this AFTER a form has submitted, or ONSUBMIT? After implies that the form has been successfully sent to the server, which means you'll be working with a new HTTP Request. Onsubmit implies you want to call this when someone clicks on the submit button but before the data has actually been sent to the server. I suspect you want the onsubmit method, in which case you just need to attach your onsubmit handler to the form:

<form onsubmit="return App.Widgets.PopupAuthForm.init();" ...>

Note, the init method should return either true or false. false will prevent the form from submitting.

[toplisek]

Why in real they use App.Widgets.PopupAuthForm.init(); in forms as pop-up window that message is sent?

Is not enough to send with notification on page that form is submitted? Is this double click as I know pop-up has Message is sent and I think you should close window...