[Javascript] Getting info. from URL of a page that is in frames

[javascript@xxxxxxxxxx (Peter-Paul Koch)]

>Thanks for the help so far.  I've just realised that, because my page is 
>split into 3 frames, i'm not sure which of these frames will have access to 
>the URL - if any?

The frame you load the page in.

ppk

> >Now, when a user has to,for instance fill out a form, then I'd really 
>like
> >to be able to know what their username is...Can i parse this URL with
> >JavaScript once they've arrived at the homepage in order to discover 
>their
> >username?
>
>Sure
>
>var x = location.search;
>var y =new Array();
>y = x.split('&');
>
>Now the array y contains the name/value pairs of the query string. To find
>the user name, do
>
>for (i=0;i<y.length;i++)
>{
>   if (y[i].indexOf('user') == 0)
>   {
>     var z = new Array();
>     z = y[i].split('=');
>    username = z[1];
>   }
>}
>
>and the username is in variable 'username'.
>
>ppk
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