click.scpt

activate application "Safari"

on send_message(msg)
  tell application "System Events"
    tell process "Safari"
      click at {436, 763}
      delay 2
      keystroke msg
      delay 2
      click at {1012, 794}
      delay 2
    end tell
  end tell
end send_message

send_message("foo")
send_message("bar")

set msg to ""
tell application "Safari"
  set val to do JavaScript "
    var list = document.querySelectorAll('._58nk')
    list[list.length - 1].innerHTML
  " in document 1
  set msg to val
end tell

if (msg = "bar") then
  send_message("baz")
else
  send_message("booze")
end if