Install jre7-b146-pit
Install JavaFX2.0 b38 http://jfx.us.oracle.com/hudson/job/presidio/label=windows-i586-14/lastSuccessfulBuild/artifact/artifacts/bundles/release/javafx-2.0-beta-windows-i586.exe
Then access http://jfx.us.oracle.com/hudson/job/presidio/label=windows-i586-14/lastSuccessfulBuild/artifact/artifacts/apps/experiments/
Everything (html applets, webstart DT) is OK on FF and IE.
And html applets on Chrome are still OK. But when access the wenstart DT on Chrome, it starts to download JavaFX2.0. After download JavaFX2.0, it says "You already hava this version of JavaFX installed" . Then click OK, it will say "Failed to launch webstart app. Error code=javafx:old".