Rails - May 2008 - In-page popup not supporting DOM structure/properties

In my current app, I have an in-page popup(those semi-transparent ones
like you find on Facebook) for login, which has only two fields: login
and password.
I am not able to set focus in the login field.

document.getElementById(''element'').focus(); doesn''t
seem to work.
document.getElementById(''element'') returns "null".

I have a link for ''Login'' on the ''Home
Page''. When user clicks on the
Login link, an in-page pop is rendered on the same page, so you can see
the ''Home Page'' in the background, but focus is on the
''Login popup''.
I think that''s because we have two layers of documents, one the
''Home
Page'' and second the ''Login'' popup''. So
something wrong with the DOM
structure. Not sure...

Does anyone know how to handle this situation?

Thanks in advance

Adhiraj
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On 22 May 2008, at 07:37, Adhiraj Rankhambe wrote:
>
> In my current app, I have an in-page popup(those semi-transparent ones
> like you find on Facebook) for login, which has only two fields: login
> and password.
> I am not able to set focus in the login field.
>
> document.getElementById(''element'').focus();
doesn''t seem to work.
> document.getElementById(''element'') returns
"null".
>
> I have a link for ''Login'' on the ''Home
Page''. When user clicks on the
> Login link, an in-page pop is rendered on the same page, so you can  
> see
> the ''Home Page'' in the background, but focus is on the
''Login popup''.
> I think that''s because we have two layers of documents, one the
''Home
> Page'' and second the ''Login'' popup''. So
something wrong with the DOM
> structure. Not sure...
It shouldn''t require anything special, assuming all your markup is  
nice and tidy. You''re also asking for trouble if you''ve got
multiple
page elements with the same id (which can easily happen by accident)

Fred
>
>
> Does anyone know how to handle this situation?
>
> Thanks in advance
>
> Adhiraj
> -- 
> Posted via http://www.ruby-forum.com/.
>
> >

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I am actually using this statement:

document.getElementById(''login'').focus();
But it doesn''t seem to work.
There is no other element by the same id. I did check it.

But doesn''t seem to work.

Adhiraj
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Worked it out...

I solved it out by using:

render :update do |page|
  page.call(function, *arguments, &block)
end

http://api.rubyonrails.org/classes/ActionView/Helpers/PrototypeHelper/JavaScriptGenerator/GeneratorMethods.html

Cheers...

Adhiraj

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Adhiraj Rankhambe wrote:
> In my current app, I have an in-page popup(those semi-transparent ones
> like you find on Facebook) for login, which has only two fields: login
> and password.
> I am not able to set focus in the login field.
> 
> document.getElementById(''element'').focus();
doesn''t seem to work.
> document.getElementById(''element'') returns
"null".
> 
> I have a link for ''Login'' on the ''Home
Page''. When user clicks on the
> Login link, an in-page pop is rendered on the same page, so you can see
> the ''Home Page'' in the background, but focus is on the
''Login popup''.
> I think that''s because we have two layers of documents, one the
''Home
> Page'' and second the ''Login'' popup''. So
something wrong with the DOM
> structure. Not sure...
> 
> Does anyone know how to handle this situation?
> 
> Thanks in advance
> 
> Adhiraj



Hi,
   in javascript function use like
           "document.forms[0].elements[0].focus()"

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