function Product(product_id){Product.cart_nb='input_list_quantity';this.product_id=product_id;this.add_to_cart=function(){this.adjust_cart(parseInt($(Product.cart_nb+'_'+this.product_id).value),false);};this.plus=function(){if(parseInt($(Product.cart_nb+'_'+this.product_id).value)>=parseInt(Product.max_cart_nb)){return;}$(Product.cart_nb+'_'+this.product_id).value++;};this.minus=function(){if(parseInt($(Product.cart_nb+'_'+this.product_id).value)>=2){$(Product.cart_nb+'_'+this.product_id).value--;}else{$(Product.cart_nb+'_'+this.product_id).value=1;}};this.adjust_cart=function(cart_nb){Quick_Cart.adjust_cart(this.product_id,cart_nb,true,'quick_cart');};}