Want Single Login With Session For Multiple Store In Frontside For Customer

Hello,

We have CS Cart version 4.3.3 with Product Edition ULTIMATE. We have multi vendor store in our website. Right now, In frontstore we will access all the store by Individual login in it. Suppose We logged in store 1 among 15 stores we have , then it show me logged in into store 1 , but its give me login screen for all remain 14 stores.

Now we want like this , If user Login into store 1 then its shows logged in for All other stores also.We want to manage single login session for all the stores.

Currently its saves cookie & session data in database by storewise.