if or sel a not b image scan please

[BK]

Do not speak English well. T_T

if a to image not
b to image click

how? Programming
HELP


int w=win("Downloader" "DownloadDialog")

a =
scan("image:hE64E7CFD" id(101 w) 0 1|2|16))
out
dou 9 25 id(101 w) 1

b =
scan("image:h6FE351F4" id(101 w) 0 1|2|16)
out
dou 9 25 id(101 w) 1

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i think have #1 Line avi or mp4 or mkv .. etc

if #1 line position avi image click.
If not have a 1line avi If the check mp4 image click
next
mkv click
next
..
.
end