I have a current web application running on NT using allaire cold fusion. When a user is logged into this application, he wished to hyperlink to another application (ASP application) and automatically have the userid and password passed into the application.<BR><BR>Can I use cookies to do this? Is this secure?<BR>Is it possible once the user log&#039s into the cold fusion server, to create a cookie that holds a userid. When the user attempts to log into the asp application, I can attatch a server side script to read the cookie, odbc to the database, and grab userid/password information. But how would I automate the submit button and populating the userid and password fields into the asp form?<BR><BR>Any help would be greatly appreciated