Rewrite-mode

ispolzuya eto

Options +FollowSymLinks
RewriteEngine on
RewriteRule index/(.*)/(.*)/(.*)/(.*)/$ /index.php?$1=$2&$3=$4

perepisal eto

http://www.domain.com/index.php?a=1&b=2&c=3

v eto

http://www.domain.com/index/a/1/b/2/c/3

a hochu chtobi bilo koroche, tak

http://www.domain.com/index/1/2/3

toest izbavitsya ot a'b'c

videl gde-to kak eto sdelat no poteryal..