Friendly URLs without Mod_Rewrite on Zeus Web Server

RULE_0_START:
# get the document root
map path into SCRATCH:DOCROOT from /
# initialize our variables
set SCRATCH:ORIG_URL = %{URL}
set SCRATCH:REQUEST_URI = %{URL}

# see if we're in the subdir
match URL into $ with ^(\/subdir)(.*)$
if matched then
  set SCRATCH:SUB_DIR = $1
  set SCRATCH:REQUEST_URI = $2
endif

# see if theres any queries in our URL
match URL into $ with ^(\/subdir)(.*)\?(.*)$
if matched then
  set SCRATCH:SUB_DIR = $1
  set SCRATCH:REQUEST_URI = $2
  set SCRATCH:QUERY_STRING = $3
endif
RULE_0_END:

RULE_1_START:
# prepare to search for file, rewrite if its not found
set SCRATCH:REQUEST_FILENAME = %{SCRATCH:DOCROOT}
set SCRATCH:REQUEST_FILENAME . %{SCRATCH:SUB_DIR}
set SCRATCH:REQUEST_FILENAME . %{SCRATCH:REQUEST_URI}

# check to see if the file requested is an actual file or
# a directory with possibly an index.  don't rewrite if so
look for file at %{SCRATCH:REQUEST_FILENAME}
if not exists then
  look for dir at %{SCRATCH:REQUEST_FILENAME}
  if not exists then
    set URL = %{SCRATCH:SUB_DIR}/index.php?q=%{SCRATCH:REQUEST_URI}
    goto QSA_RULE_START
  endif
endif

# if we made it here then its a file or dir and no rewrite
goto END
RULE_1_END:

QSA_RULE_START:
# append the query string if there was one originally
# the same as [QSA,L] for apache
match SCRATCH:ORIG_URL into % with \?(.*)$
if matched then
  set URL = %{URL}&%{SCRATCH:QUERY_STRING}
endif
goto END
QSA_RULE_END:

## REWRITE .DOMAIN.COM to WWW.DOMAIN.COM
match IN:Host into $ with ^DOMAIN\.com$          
if matched          
  match URL into $ with ^/(.*)$          
  if matched          
    set OUT:Location  = http://www.DOMAIN\.com/$1          
    set OUT:Content-Type = text/html          
    set RESPONSE = 301          
    set BODY = Moved
    goto END       
  endif          
endif

# Ignore anything to do with manager
match URL into $ with (/manager/|/core/|/connectors/|/assets/)     
if matched
     goto END
endif

map path into SCRATCH:REQUEST_URI from %{URL}           
# Look for the file
look for file at %{SCRATCH:REQUEST_URI}           
if exists 
    goto END
endif
# Look for dir
look for dir at %{SCRATCH:REQUEST_URI}           
if exists 
    goto END
endif 

match URL into $ with ^/(.*)$
if matched  
    set URL = /index.php?q=$1
    goto END
endif