Auto login to Google Analytics?

I have tried following similar steps as mentioned on this Auto login to Google Analytic to impress clients page

<form id="googleanalyticslogin" action="https://www.google.com/accounts/ServiceLoginBoxAuth" method="post">
<input type="text" name="Email" class="gaia le val" id="Email" size="18" value="me@gmail.com" />
<input type="password" name="Passwd" class="gaia le val" id="Passwd" size="18" value="Passw0rd" />
<input type="checkb开发者_开发百科ox" name="PersistentCookie" value="yes" />
<input type="hidden" name="rmShown" value="1" />
<input type="hidden" name="continue" value="http://www.google.com/analytics/home/?et=reset&amp;hl=en-US" />
<input type="hidden" name="service" value="analytics" />
<input type="hidden" name="nui" value="1" />
<input type="hidden" name="hl" value="en-US" />
<input type="hidden" name="GA3T" value="oCGYxIWWGUE" />
<input type="hidden" name="GALX" value="3Jces-nq404" />
<input type="submit" />
</form>

but when I submit form I get Your browser's cookie functionality is turned off. Please turn it on.

Any ideas how to sort it out? Or is there any alternative way to login?

Thank you for your help.

You have to use OAuth to access analytics try taking a look at this

http://code.google.com/p/gapi-google-analytics-php-interface/

that will allow you to not only login but pull analytics straight from the site.