| If you're using Apache you'll need mod_rewrite for that. Something like this should do it I think:
 RewriteEngine on
 RewriteRule ^/ http://domain.com/XANDER.php [R,L]
 RewriteRule ^/(.*)  http://domain.com/oasda.php?browse=/$1  [R,L]
 
 Not tested - you might have to adjust it a little so it actually works as intended.
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