card.z = next_card_z()
view = $ $ "<div class=\"card #{card_class}\" style=\"left: #{transform_x(card.x)}px; top: #{transform_y(card.y)}px; z-index: #{card.z}\"><span class=\"cardtext\">#{text}</span></div>"
+ view.data card.number
button_box = $ $ '<div/>'
flip_button = new_button "flip over"
mark_button = new_button "mark"