single sign on with gmail using php
<p>I will have username and password of gmail
          I want to develop an application in which i have an login in my site.When i do login in my site . I must get automatically login into gmail.There must be a link when the user clicks on the link he must be automatically get login into the site.
I will demostrate it with am example</p>

<p>Username:XXXXX
Password:XXXXX</p>

<p>Click here to go to gmail</p>

<p>It will be something like above on my Website.When user enters the Username and password And gets login and if he clicks on the link.He must be able to see his gmail account.I meam to say he must be login to gmail..</p>
