IE win.document.URL -> Access Denied Exception

[stefan]

Hi,

my website uses OAUTH2.0 to allow users to login with their gmail accounts...
I use the following code to show the OAUTH login page:

  
  
  var win = window.open(_url, "windowname1", 'width=800, height=600');  
            var pollTimer = window.setInterval(function () {  
                if (win.document.URL.indexOf(REDIRECT) != -1) {  
                    window.clearInterval(pollTimer);  
                    var url = win.document.URL;  
                    acToken = gup(url, 'access_token');  
                    tokenType = gup(url, 'token_type');  
                    expiresIn = gup(url, 'expires_in');  
                    win.close();  
  
                    validateToken(acToken);  
                }  
            }, 500);  

Unfortunately this code throws an exception on IE (works perfectly in Chrome and Firefox).

Can anyone tell me how to access the current URL of a previously openend window in IE?

Cheers,
Stefan