form submission - hidden frames???

[sknyppy]

I have a form that contains several sections of form fields.
The first section contains user information fields such as name, address, etc.

After a user completes the user information section I need the user to click a button
That will return information from another site and automatically populate 2 other
form fields with this data.

What is the most seemless way or best way to do this?

Should I use a hidden frame?
Maybe a popup window that goes to the specific site and sends the values back to the form in the parent window?

Thanks,
Dave

 

[adam0101]

You're talking about accessing data across frames with JavaScript from two different domains. You may run into security problems. It'd be better if you could submit the form to the second domain. Then you could use JavaScript or some server-side process to get the data from the querystring or post headers, then submit the result information back to the first domain.

It very much depends on if you have control over the code on the other domain.

Adam
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