ajaxtab & PhpNuke

[cuat]

Sorry about my english but i'm italian and i speak english a little and i don't know nothing about JavaScripts, ajaxscripts.

1) Script Title:
AjaxTab Content

2) Script URL (on DD):
http://www.dynamicdrive.com/dynamici...tabcontent.htm

3) Describe problem:
I have installed this script on my nuke-site, so i wish to load a .php file instedad an external html file. How I do?
For example, i have a blocks for nuke that show me online members
How i do to show this block in ajaxtabs content?

Ps:I hope to be clear about the explanation of my problem.
Please help me?

[cuat]

up.. upp
I have searched in this forums for my problem and i have not look for any solutions.
Someone can help me?
How i load php files?