INF: click.cgi API v5.1, (c) MOBOTIX AG, 2001-2009
h            # -180 .. 180
v            # -180 .. 180
x            # -1000 .. 2560
y            # -1000 .. 2048
rect         # (comma separated list of four coordinates)
views        # (comma separated list of views)
mode         # 0, 1, 2, 4
zoom         # 1000 .. 8000
zoomrel      # -10000 .. 10000
zoomrect     # zoomrect
move         # move
moverel      # moverel
moveauto     # moveauto
eye          # 0, 1, 2
pan_x        # -1000 .. 1000
pan_y        # -1000 .. 1000
center       # center
setview      # 0 .. 255
loadview     # 0 .. 255
def_surround # def_surround
ptz_window   # 0 .. 3
query        # query
help         # help
list         # list