How to get the HTML table footer in each page in PDF?

I try to do this http://wiki.developerforce.com/index.php/Adobe_XFDF in my sandbox but i have 2 question that stop me for continue the develop:

1- where Do I put the code which start with : "private String getXmlString(Contact c)........." ? i try to a class but doesn't work

2- where Do I put the code which start with : "public PageReference XFDFInit() {.........." I try to a class but doesn't work

The only code which work is the apex page; I have created a link which open Visual force page

Thanks for help me