How to access multiple Gmail accounts in same browser

*.First loginto your gmail account
*.After logging in Open:- Account Setting (From sub-menu you get clicking on image on Right top )
*.Now click onAccount Overview
*.then inSecuritysection ClickEdit inMultiple Sign-inoption
*. Now selectOnandtick all three check boxesand click onSave
*. Nowsignoutfrom your gmail account andloginagain.
*.And click on Your Google Profile Image (right top) and click onSwitch Profile
*.Now click on:-Sign in to another account
*. Now simply log in to your second gmail account
*. Now you have added two mail id’s to your gmail account to switch your account just Click on Switch account by clicking on your mail id on top right and then select one you want to access.
Note:- this trick will only work for gmail account .. it will not work on other Google accounts like blogger, adsense , picasa .