REM The following (until :next) checks the OS architecture the latest version of Java Runtime
REM is not installed and acts accordingly.
:Java
        echo %PROCESSOR_ARCHITECTURE% | find "x" >NUL
        if ERRORLEVEL 1 goto :JAVAx86_64CHECKS
        REM Check installed programs and pass to :All-Installations-Java
        for /f %%I in ('reg query HKLM\SOFTWARE\microsoft\windows\currentversion\uninstall') do echo %%I | find "{" > nul && call :All-Installations-Java %%I
        REM If control is passed back here it is ok to install the latest JRE
        goto :JavaInstall

    :All-Installations-Java
        Rem Receive and installation and check for Oracle, Java installs Pass the key to :Oracle Installations
        for /f "tokens=2*" %%T in ('reg query %1 /v Publisher 2^> nul') do echo %%U | find "Oracle" > nul && for /f "tokens=2*" %%T in ('reg query %1 /v DisplayName 2^> nul') do echo %%U | find /i "java(TM) 6" > nul && call :Oracle-Installations %1
        goto :EOF

    :Oracle-Installations
        Rem Check the version of Java and either move onto :Next or pass back to the calling function to install Java
        for /f "tokens=2*" %%T in ('reg query %1 /v DisplayVersion 2^> nul') do echo %%U | find "6.0.310" >NUL && goto :Next
        goto :EOF

    :JavaInstall
        REM installing latest version x86 JRE
        msiexec /i \\path\to\jre1.6.0_31.msi /qn /norestart
        goto :Next

    :JAVAx86_64CHECKS
        REM Check the list of 32-bit programs installed and pass each key to :All-Installations-Java-x86
        for /f %%I in ('reg query HKLM\SOFTWARE\Wow6432Node\microsoft\windows\currentversion\uninstall') do echo %%I | find "{" > nul && call :All-Installations-Java-x86 %%I
        REM If Control is passed back here it is ok to install 32-bit JRE
        call :JavaInstallx86
    :JAVAx64CHECK
        REM Check the list of 32-bit programs installed and pass each key to :All-Installations-Java-x86
        for /f %%I in ('reg query HKLM\SOFTWARE\microsoft\windows\currentversion\uninstall') do echo %%I | find "{" > nul && call :All-Installations-Java %%I
        REM If Control is passed back here it is ok to install 64-bit JRE
        call :JavaInstallx64
        goto :Next
    :All-Installations-Java-x86
        Rem Receive an installed program key and check for Oracle, Java installs Pass the key to :Oracle Installations-x86
        for /f "tokens=2*" %%T in ('reg query %1 /v Publisher 2^> nul') do echo %%U | find "Oracle" > nul && for /f "tokens=2*" %%T in ('reg query %1 /v DisplayName 2^> nul') do echo %%U | find /i "java(TM) 6" > nul && call :Oracle-Installations-x86 %1
        goto :EOF

    :Oracle-Installations-x86
        Rem Check the version of Java and either move onto :JAVAx64Check or pass back to the calling function to install Java
        for /f "tokens=2*" %%T in ('reg query %1 /v DisplayVersion 2^> nul') do echo %%U | find "6.0.310" >NUL && goto :JAVAx64CHECK
        goto :EOF
    :JavaInstallx86
        REM echo installing latest x86 version of JRE
        msiexec /i \\Path\To\Installer\jre1.6.0_24\jre1.6.0_31.msi /qn /norestart
        goto :EOF

    :JavaInstallx64
        REM echo installing latest x64 JRE version
        msiexec /i \\Pathto\installer\jre1.6.0_24x64\jre1.6.0_31x64.msi /qn /norestart
        goto :EOF


:Next