anchor.diff:  
   :endsetcounters
   if %TotalNumPNG% equ 0 if %TotalNumJPG% equ 0 if %TotalNumGIF% equ 0 (
  -	cls
  +	call:clearscreen
   	1>&2 echo.%spacebar%
   	1>&2 echo. Images not found. Please check images and try again.
   	call:helpmsg
  
positive.code: )
  if /i "%outdir%" equ "false" (set "outdir=" & set "nooutfolder=yes") else if /i "%outdir%" equ "true" set "outdir="
  if not defined nooutfolder if not defined outdir (
  	cls
  	title [Loading] %name% %version%
  	for /f "tokens=* delims=" %%a in ('dlgmsgbox "Image Catalyst" "Folder3" " " "Select the folder to save images. Click 'Cancel' to replace the original image in the optimized." ') do set "outdir=%%~a"
  )
  
negative.code: :division2
  setlocal
  1>nul 2>&1 set /a "int=!%1!/%2"
  if %~3 equ 1 (
  	endlocal & set "%1=%int%" & exit /b
  	exit /b
  )
  1>nul 2>&1 set /a "fractd=!%1!%%%2*%3/%2"
  if "%fractd:~,1%" equ "-" (set "fractd=%fractd:~1%")
  1>nul 2>&1 set /a "fractd=%3+%fractd%"
  