alias control.scrollbar.click {
  if ( !$1 ) { return }
  var %hash = $1, %I = 1
  while ( %I <= 2 ) { tokenize 32 $scrollbar.button.coords(%hash, %I) | if ($inrect($mouse.x, $mouse.y, $1, $2, $3, $4)) { echo -s Click button %I | return } }
}