How to use variable in FOOTER, which is declared in the body part??

Hi,

I want to display text in footer section based on the below condition:

<?if: (xdoxslt:get_variable($_XDOCTX, ‘A’)) =< 5?>

Technician Signature: _____________________      Customer Signature: _____________________

<?end if?>

variable 'A' is declared in the body part and is increasing with in a loop. If i am using above formula in the footer section its giving me error.

Please assist.

Regards,

Shubhra