Http Session Problem

I am developing a web based application using servlet & JSP, I am maintaining some data in session ragarding User when the request is sent from one page to the other the session id is changed every time moving from one JSP to another.It is happening in internet Explorer 6 & above only where as in netscape & in opera browser it is working i.e. session id doesn't change unless invalidate or create new session. can any body help me out to solve this problem that why new session is creating every time a JSP page is loaded.

Development IDE : IBM Visualage For Java 4

JDK 1.3

Regards

Wajahat

[635 byte] By [wajahat.ku@gmail.coma] at [2007-11-26 18:12:03]