Do I have the latest version of Javascript?

my Mac:

Hardware Overview:

Model Name: MacBook
Model Identifier: MacBook1,1
Processor Name: Intel Core Duo
Processor Speed: 1.83 GHz
Number Of Processors: 1
Total Number Of Cores: 2
L2 Cache: 2 MB
Memory: 2 GB
Bus Speed: 667 MHz
Boot ROM Version: MB11.0061.B03
SMC Version (system): 1.4f12




Java VisualVM:

Version: 13.2.0
Last Modified: 5/25/10 11:45 AM
64-Bit (Intel): No
Location: /usr/share/java/Tools/Java VisualVM.app

Java Preferences:

Version: 13.2.0
Last Modified: 5/25/10 11:45 AM
Kind: Universal
64-Bit (Intel): Yes
Location: /Applications/Utilities/Java Preferences.app


(i'm a n00b, so bear with me)

here what i fond on my Mac OS x Version 10.6.4 1.83 GHz Intel Core Pro 2GB 667 MHz DDR2 SDRAM

Java Web Start:

Version: 13.2.0
Last Modified: 5/25/10 11:45 AM
Kind: Universal
64-Bit (Intel): Yes
Location: /System/Library/CoreServices/Java Web Start.app

Java SE 6 32-bit


My question - do I need to update http://support.apple.com/kb/HT4141

here's why i'm asking:
i can't seem to see comments on blogs that use Disqus and by googling, it seems to me that i need an update of javascript. but i'm not a computer geek.

the problem loading comments happened all of a sudden last week. anyone know why?