Thanks for the community
 i have resolved my  problem .

I have used iframes and  implemented the cross domain communication
using fragment identifiers. i opted for iframe as it makes my task
easier.

much more details are given in below links
--------------------------------------------------------------
1) http://softwareas.com/cross-domain-communication-with-iframes
2) http://dojotoolkit.org/node/87


Once again i want to thank all the community members for giving me a
proper direction in solving the problem.


regards
--------------
rama


On Sep 18, 4:02 pm, david <[EMAIL PROTECTED]> wrote:
> Hi,
>
> there is pluging for prototype to do cross site AJAX, let's have a
> look  ??PB: the version is for prototype 1.5, but try it 
> :))http://www.mellowmorning.com/2007/10/25/introducing-a-cross-site-ajax...
>
> hope you could find what you need.
>
> --
> david
>
> On 17 sep, 20:26, Matt Foster <[EMAIL PROTECTED]> wrote:
>
> > I'd recommend building it as a Google Gadget, by leveraging their
> > platform you could bypass a lot of the common development troubles.
> > Also you'll have a better adoption rate as more people already use
> > Google Gadgets, not to mention the fact that by submitting it to the
> > gadget directory it will be put in front of a very large audience.
>
> >http://code.google.com/apis/gadgets/docs/gs.html
>
> > On Sep 17, 8:30 am, Rama <[EMAIL PROTECTED]> wrote:
>
> > > ok.
> > > The above solution works when javascript is on my domain.
> > > ((in javascript) instead of cross domain i will interact with my
> > > server , the server will fetch that page)
>
> > > But what to do when iam placing the javascript from mydomain.com in
> > > another domain say xyz.com where the javascript loaded from
> > > mydomain.com on a page at xyz.com wants to interact with the
> > > mydomain.com server.
>
> > > in those case How should we do cross domain Ajax (or XHR calls)?
>
> > > (the above scenario is occurring for me while building a small widget
> > > (javascript based) which any websites can put on their page )).where
> > > iam actually planning to bring data for the widget by calling  AJAX./
> > > XHR call to my server.
>
> > > regards
> > > rama
>
> > > On Sep 17, 5:46 pm, bluezehn <[EMAIL PROTECTED]> wrote:
>
> > > > A suggestion: make them to your domain, then have a server side script
> > > > on the same domain which uses something akin to php's curllib to make
> > > > a request to another server and return that server's response. I don't
> > > > know any other way in which this is possible.
>
> > > > On Sep 17, 1:07 pm, Rama <[EMAIL PROTECTED]> wrote:
>
> > > > > ok understood.
>
> > > > > then how can we  make AJAX (XHR) calls to other domain ?
>
> > > > > Is it actually possible?
>
> > > > > Regards
> > > > > rama
>
> > > > > On Sep 17, 4:49 am, "Diogo Neves" <[EMAIL PROTECTED]> wrote:
>
> > > > > > Hi,
>
> > > > > > On Wed, Sep 17, 2008 at 12:38 AM, Rama <[EMAIL PROTECTED]> wrote:
>
> > > > > > > iam  not violating the same origin policy that which the  browers
> > > > > > > follow.
>
> > > > > > > Scenario1 )    Script is  loading from  mydomain.com,script is
> > > > > > > residing  on the same mydomain.com
>
> > > > > > >                     in this case everything is  working fine.
>
> > > > > > > Scnario2) Script is loading from  mydomain.com, script  is 
> > > > > > > residing on
> > > > > > > other domain say xyza.com
>
> > > > > > >                Even though script is residing on xyza.com
> > > > > > >               the script downloaded form mydomain.com is making 
> > > > > > > calls
> > > > > > > Ajax calls (XHR request/response) to only mydomain.com
>
> > > > > > >                in the above case it is still not violating th same
> > > > > > > ORgin policy.
>
> > > > > > Wrong... the domain of the webpage is what counts, not the script 
> > > > > > domain...
> > > > > > But u can always use the appendChild tecnique...
>
> > > > > > >                in the second scenario also it should work
> > > > > > > correctly.but it is not working ...............
>
> > > > > > >               i could not able to figure it out the mistake that  
> > > > > > > iam
> > > > > > > doing.
>
> > > > > > > On Sep 17, 12:23 am, Diodeus <[EMAIL PROTECTED]> wrote:
> > > > > > > > Assuming you are attempting to make an Ajax call to a server 
> > > > > > > > that is
> > > > > > > > not in your web page's domain, it is a deliberate security 
> > > > > > > > restriction
> > > > > > > > in the browser designed to prevent cross-site scripting (XSS) 
> > > > > > > > attacks.
>
> > > > > > > > On Sep 16, 1:34 pm, Rama <[EMAIL PROTECTED]> wrote:
>
> > > > > > > > > hi,
>
> > > > > > > > > i have developed a widget/badge in javasript. (using 
> > > > > > > > > prototypejs)
>
> > > > > > > > > It is working  well on my  own site.  but when placed on other
> > > > > > > > > domains  AJAX(XHR) requests are not working porperly.
>
> > > > > > > > > Can anyone  please guide us  on why the ajax(XHR)  
> > > > > > > > > calls/requests  are
> > > > > > > > > not working when placed on other doman.
>
> > > > > > > > > Regards
> > > > > > > > > rama
>
> > > > > > --
> > > > > > Thanks,
>
> > > > > > Diogo Neves
> > > > > > Web Developer @ SAPO.pt by PrimeIT.pt
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