We urgently need a facility to buy tickets on an event website. On the ticket purchase page there will be a bit of blurb and then; Box to enter number of tickets required in each category (five categories) Each category has four location options. Attached file shows a wireframe of the ticket options. There will be a box for a code/ voucher discount which will automatically recalculate the total. We will need the facility to enter up to 100 different voucher codes into one box (not...