avoid visitors viewing inside pages

Hello all!
 
Is there a way to avoid visitors from accessing our site pages without
first viewing the 'index.html' page or filling out a password, but we
don't have an access to .htaccess file and don't have a cgi access?
 
Thanks before!
--
 
[ Aditya Hermawan ]
 
 
   .~.      The Funny Penguin, Linux Guide and Resources
   /V\             http://funguin.webprovider.com
  // \\  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 /(   )\  websites, mailing lists, newsgroups, handy guide
  ^^-^^