Change a form field in a different window

[Br3nn4n]

I just need to change a form field's value through entering something in a popup window.

How can I do this? I'm thinking something like window.blah.document.forms[0].title.value = 'title'; ?

Thanks!

[rocknbil]

window.opener.document.forms[0].title.value = 'title';

better yet,

window.opener.document.getElementById('title').value = 'title';

<input type="text" name="title" id="title">