The behaviors of AppletContext.showDocument(URL) in 1.4.2 and
Tiger are different from that in 1.3.1_09.


REPRODUCING:

 1. Unfold the attached zip file
    Your will a folder "test"
 2. Go to test/loaddocument directory
 3. Compile the Applet1.java
 4. cd ..
 5. Invoke frame.html with double-clicking
     You will see the windows devided into 2 frames.
     In upper frame, you will can text filed and 3 radio buttons
      (_self/_blank/NONE)
 6. Click teh "NONE" radio Button
 7. In 1.3.1, the page specified by URL in the text filed
     shows up in the upper frame.
    However, In 1.4.2 and Tiger, the page appears in the window
    with destroying the frame.
    
    
EXPECTED BEHAVIOR:

   In 1.4.2 and Tiger, the specified page shows up in the same way
   to 1.3.1.
   
   
CONFIGURATION:
   OS: WIndowsXP(SP1, Japanese)
   MPU: Pentium IV 1.4 [GHz]
   MEM: 384[MB]
   JRE: 1.4.2_02 and Tiger(1.5.0-beta2
   BROWSER: Internet Explorer 6.0(SP1)

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