My Rails-app has a sign in box with a \"remember me\" checkbox. Users who check that box should remain logged in even after closing their browser. I\'m keeping track of whet
I would suggest that you either take a look at the RESTful_Authentication plug in, which has an implementation of this, or just switch your implementation to use the RESTful Authentication_plugin. There is a good explanation about how to use this plug in at Railscasts:
railscasts #67 restful_authentication
Here is a link to the plugin itself
restful_authentication