Great Feedback !!! Thanks for the interest and the time you took to analyse the site... I keed al the information in the localstorage so next time you enter you don t have to enter again all the data you entered last time.. Registration as an option is a great idea... I ll think about it for the future... Charges, discounts and others you can do it with the little green + in the right... Other languages, currency, etc is going to be the next update... Really appreciate your feedback...