AppleScript for Sharing Toggle - OS X

tell application "System Preferences"
    activate
end tell

tell application "System Events"
    tell process "System Preferences"
        click menu item "Sharing" of menu "View" of menu bar 1
        delay 2
        tell window "Sharing"
            if (value of checkbox 1 of row 9 of table 1 of scroll area 1 of group 1 is 1) then
                click checkbox 1 of row 9 of table 1 of scroll area 1 of group 1
                try
                    set makiaeawirelessstatus to do shell script "networksetup -getairportpower en1"
                on error
                    display dialog "The script did not work as intended, please check the networksetup command (in terminal) works on your system. It has been tested on mac os 10.7 (Build 11A459e). Other versions of mac os may not have this command available. Please open the applescript in applescript editor for more details." buttons {"kthxbai"}
                end try
                if makiaeawirelessstatus is "Wi-Fi Power (en1): On" then
                    do shell script "networksetup -setairportpower en1 off"
                else
                    display dialog "The script did not work as intended, please check the networksetup command (in terminal) works on your system. It has been tested on mac os 10.7 (Build 11A459e). Other versions of mac os may not have this command available. Please open the applescript in applescript editor for more details." buttons {"kthxbai"}
                end if
            else
                click checkbox 1 of row 9 of table 1 of scroll area 1 of group 1
                delay 1
                if (exists sheet 1) then
                    if (exists button "Turn Wi-FI On" of sheet 1) then
                        click button "Turn Wi-Fi On" of sheet 1
                        delay 1
                    end if
                    click button "Start" of sheet 1
                end if
            end if
        end tell
    end tell
    delay 2
end tell

if application "System Preferences" is running then
    tell application "System Preferences" to quit
end if