If this is happening all the time with your .wrl's then it means 
   http://www-dsed.llnl.gov/documents/WWWtest.html 
or the VRML site for server configuration information. 
Scott Nelson 
 
 
+----------------------------------------------------+
|Scott D. Nelson   B131  Rm2074    3-1250            |
|Lawrence Livermore National Laboratory              |
|7000 East Ave., L-153     Livermore CA 94550        |
|email: [email protected]  http://www-dsed.llnl.gov/ |
+----------------------------------------------------+
 
that your httpd server isn't set
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