At the time of my posting, the parent node (in its entirety) consisted of the following:

New to perl s_page(); if(param("option") == 'login') { l_page(); } else { r_page(); } foot(); problem is all 3 functions display forms and i want them to display one after the other not in the same page.

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You use the same trick you used two decide between the second and third to decide for all of them. A param decides which "page" to generate. A page controls which page will be visited next by including the param in the links and as a hidden field in forms.