if [ "$CHOSE" = "$CURRENT_NUM" ] ; then
dialog --title "$PN" --msgbox "Chosen resolution corresponds to current resolution. No changes needed." 0 0
elif [ -n "$CHOSE" ] ; then
if [ "$CHOSE" = "$CURRENT_NUM" ] ; then
dialog --title "$PN" --msgbox "Chosen resolution corresponds to current resolution. No changes needed." 0 0
elif [ -n "$CHOSE" ] ; then