Sessions not returning anything? - NT - php4

I use php4 on PWS NT workstation.

I use the basic session example in the php docs, the e-commerce tut on devshed and the origional example from devshed(couch sessions) and no luck.

I get a page, yet when I view source - nothing after the body tag?

any suggestions?

Is there a module I have to uncomment in php.ini or something I have to download?

I have tried viewing from another machine and multiple browsers....

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ciao & thanks
jazzy