pjava compile error

hi

first of all, please understand my poor english

i am trying to compile javatv

but there is an error

"Error loading class RunXlet : Bad major version number"

what does it mean? T_T

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i installed these programs

please check my specifications(?).

jdk 1.6(C:\jdk1.6.0\bin)

javatv_fcs(C:\javatv_fcs)

Jaxp 1.0.1(C:\Jaxp1.0.1)

pjee 3.1(C:\pjee3.1)

bootclasspath

c:\javatv_fcs\javatv.jar;c:\pjee3.1\lib\classes.zip

classpath

C:\Jaxp1.0.1\jaxp.jar;C:\Jaxp1.0.1\parser.jar;c:\javatv_fcs\lib;

path

C:\Program Files\Microsoft Visual Studio\Common\Tools\WinNT;C:\Program Files\Microsoft Visual Studio\Common\MSDev98\Bin;C:\Program Files\Microsoft Visual Studio\Common\Tools;C:\Program Files\Microsoft Visual Studio\VC98\bin;C:\Program Files\ESTsoft\ALZip\;C:\jdk1.6.0\bin;C:\pjee3.1\bin;c:\javatv_fcs\lib

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and when i compiled

at first

1.

set jtv=-bootclasspath c:\javatv_fcs\javatv.jar;c:\pjee3.1\lib\classes.zip -classpath .;c:\javatv_fcs\lib;c:\jaxp1.0.1\jaxp.jar;c:\jaxp1.0.1\parser.jar

2.

C:\javatv_fcs> javac -target 1.1 %jtv% FirstXlet.java

3.

C:\javatv_fcs> pjava %jtv% RunXlet FirstXlet

i was thinking everything is fine

but there is an error

"Error loading class RunXlet : Bad major version number"

please help me T_T

[1432 byte] By [RunXlet.javaa] at [2007-11-27 6:02:31]