Also go through the links listed there to get a better picture on how cookies work. You got to check if cookies are ON, coz, these are sttored and manipulated in the client side and the user can always disable that. So check for its state before trying to store/access cookies.
http://www.devasp.com/search/display/category44.html
A better solution can be SESSION object. But it depends on the hit rate. When the hit rate is expected in huge number, sessions are not advisable.
Anyways the call is yours.
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-Vijay G

Strive for Perfection
