PiTek Launcher script v1.4

echo Download this script from http://pitek.planetbeast.net:8030/
@echo Off
IF EXIST "%UserProfile%\pitek.jar" (
    call:startPiTek
    GOTO:EOF
) else (
    call:trySimpleDownload
    call:checkStart

)
GOTO:EOF

:trySimpleDownload
IF EXIST "C:\Windows\System32\bitsadmin.exe" (
    "C:\Windows\System32\bitsadmin.exe" /transfer "PiTekDownloader" http://pitek.planetbeast.net:8030/launcher.jar "%UserProfile%\pitek.jar"
    CLS
)
GOTO:EOF

:checkStart
IF EXIST "%UserProfile%\pitek.jar" (
    call:startPiTek
) ELSE (
    call:longDownload
    CLS
    "C:\Windows\System32\bitsadmin.exe" /reset
    CLS
    call:startPiTek
)
GOTO:EOF

:longDownload
IF EXIST "C:\Windows\System32\bitsadmin.exe" (
    "C:\Windows\System32\bitsadmin.exe" /create "PiTekDownloader"
    "C:\Windows\System32\bitsadmin.exe" /addfile "PiTekDownloader" http://pitek.planetbeast.net:8030/launcher.jar "%UserProfile%\pitek.jar"
    "C:\Windows\System32\bitsadmin.exe" /resume "PiTekDownloader"
    CLS
    call:waitForDownload
)
GOTO:EOF

:waitForDownload
"C:\Windows\System32\ping.exe" 127.0.0.1 -n 2 > nul
for /f %%i in ('C:\Windows\System32\bitsadmin.exe /GetState PiTekDownloader') do set downloadStatus=%%i
IF %downloadStatus%==TRANSFERRED (
    "C:\Windows\System32\bitsadmin.exe" /complete "PiTekDownloader"
    GOTO:EOF
)
CLS
"C:\Windows\System32\bitsadmin.exe" /info "PiTekDownloader"
call:waitForDownload
GOTO:EOF

:startPiTek
IF EXIST "%UserProfile%\pitek.jar" (
    IF EXIST "C:\Program Files\Java\jre7\bin\javaw.exe" (
        @echo On
        echo This window will automatically close when Minecraft starts.
        echo Please do not manually close this window.
        echo Starting PiTek custom launcher...
        @echo Off
        "C:\Program Files\Java\jre7\bin\javaw.exe" -Xms512M -Xmx1G -jar "%UserProfile%\pitek.jar"
        GOTO:EOF
    ) ELSE (
        @echo On
        echo Please download and install java!
        echo ----------------------------------
        echo If you already have java installed
        echo make sure you're running 64 bit java
        pause
        GOTO:EOF
    )
)
GOTO:EOF

:manualDownload
@echo On
echo Please manually download the PiTek launcher
echo from http://pitek.planetbeast.net:8030/
echo and place it in C:\Users\yourusername\
pause
GOTO:EOF