Modification in user profile

I need set ecommerce modification in user profile , when user join a dolphin in admin user set and select ecommerce in profile , but i need button of pay that ecommerce selection , when pay me module set commerce and put in profile shop ,http://dashcommerce.org/default.aspx?pageId=1 , module set in base data eccommerce in user profile with methode of payment similar a dolphin 003 , for account of user profile ,area of admin administration of pays monthly of that shop of user , restrict when no pay me that account commerce in profile, ect.