javaws -offline <appln> shows the dialog twice on windows

Tested build : mustang PIT b96
Tested OS : windows

Steps to reproduce:

1. Install mustang PIT jre b96
2. go to jre1.6.0/bin folder
3. clear cache (\rm -rf ~/.java)
4. make sure that draw application is not available in cache
5. launch ./javaws -offline http://java.sun.com/products/javawebstart/apps/draw.jnlp

On Windows, it shows the dialog with the title "Application unavailable while offline" with the text
"The appln has requested to go online. Do you want to continue?" with Ok and Cancel buttons.

Click on Cancel button. The same dialog popsup again with OK and Cancel button.

Expected behavior : "Application unavailable while offline" dialog should be displayed only once.