Product Configurator with Quantity on the child products

hi guys

anyone can help me how to this problem in my site

in the PRODUCT CONFIGURATOR, users can easily choose how many QUANTITY they want to order, and easily add into the cart and also edit in the cart

honestly im sick of this problem, i have may errors with i tried to MOD this code

Guy's if any one can help me about this, i can PAY who will be the one who do this,

pls let me know, mesage me