Small java script problem in prestashop module

I have developed one prestashop module to show product attributes on category pages, but i am not good at javascripting. please see this page [login to view URL] if you change section : reserved it change the price, now see this page [login to view URL] in the down under first categories you can see categories with attributes, if we change attributes section: reserved price don't change very small work . need to get it done within hour..thank you,