For example add into /etc/apt/sources.lists following lines:

# some coment
deb http://www.cecak.cz/debian/sarge ./
[ICO]NameLast modifiedSizeDescription

[DIR]Parent Directory  -
[TXT]HEADER.html06-Jan-2007 22:37 151
[   ]Override06-Jan-2007 22:20 0
[   ]Packages24-Oct-2008 22:01 41K
[   ]Packages.gz24-Oct-2008 22:01 9.2K
[   ]bind9-doc_9.3.4-2etch3loc1_all.deb03-Aug-2008 11:38 186K
[   ]bind9-host_9.3.4-2etch3loc1_amd64.deb03-Aug-2008 11:38 114K
[   ]bind9_9.3.4-2etch3loc1_amd64.deb03-Aug-2008 11:37 310K
[   ]clamav-base_0.90.2-1~bpo.1_all.deb19-Jun-2007 13:24 196K
[   ]clamav-daemon_0.90.2-1~bpo.1_amd64.deb19-Jun-2007 13:24 172K
[   ]clamav-dbg_0.90.2-1~bpo.1_amd64.deb19-Jun-2007 13:24 721K
[   ]clamav-docs_0.90.2-1~bpo.1_all.deb19-Jun-2007 13:24 1.0M
[   ]clamav-freshclam_0.90.2-1~bpo.1_amd64.deb19-Jun-2007 13:24 9.2M
[   ]clamav-milter_0.90.2-1~bpo.1_amd64.deb19-Jun-2007 13:24 173K
[   ]clamav-testfiles_0.90.2-1~bpo.1_all.deb19-Jun-2007 13:24 155K
[   ]clamav_0.90.2-1~bpo.1.diff.gz19-Jun-2007 13:23 199K
[   ]clamav_0.90.2-1~bpo.1.dsc19-Jun-2007 13:23 658
[   ]clamav_0.90.2-1~bpo.1_amd64.changes19-Jun-2007 13:23 2.2K
[   ]clamav_0.90.2-1~bpo.1_amd64.deb19-Jun-2007 13:23 851K
[   ]clamav_0.90.2.orig.tar.gz19-Jun-2007 13:24 12M
[   ]dhcp3-client_3.0.4-13_amd64.deb13-Mar-2007 21:49 216K
[   ]dhcp3-common_3.0.4-13_amd64.deb13-Mar-2007 21:49 281K
[   ]dhcp3-dev_3.0.4-13_amd64.deb13-Mar-2007 21:49 210K
[   ]dhcp3-relay_3.0.4-13_amd64.deb13-Mar-2007 21:49 101K
[   ]dhcp3-server_3.0.4-13_amd64.deb13-Mar-2007 21:49 314K
[   ]dnsutils_9.3.4-2etch3loc1_amd64.deb24-Oct-2008 21:52 186K
[   ]dump_0.4b41-3loc1_i386.deb13-Mar-2007 23:18 239K
[   ]enca_1.9-1_sparc.deb19-Mar-2007 18:08 83K
[   ]glpk_4.11-loc1_amd64.deb08-Mar-2007 22:49 1.1M
[   ]libbind-dev_9.3.4-2etch3loc1_amd64.deb03-Aug-2008 11:40 1.0M
[   ]libbind9-0_9.3.4-2etch3loc1_amd64.deb03-Aug-2008 11:38 93K
[   ]libclamav-dev_0.90.2-1~bpo.1_amd64.deb19-Jun-2007 13:24 378K
[   ]libclamav2_0.90.2-1~bpo.1_amd64.deb19-Jun-2007 13:24 357K
[   ]libdns22_9.3.4-2etch3loc1_amd64.deb24-Oct-2008 21:52 527K
[   ]libenca-dev_1.9-1_sparc.deb19-Mar-2007 18:08 100K
[   ]libenca0_1.9-1_sparc.deb19-Mar-2007 18:08 74K
[   ]libisc11_9.3.4-2etch3loc1_amd64.deb03-Aug-2008 11:41 183K
[   ]libisccc0_9.3.4-2etch3loc1_amd64.deb03-Aug-2008 11:41 94K
[   ]libisccfg1_9.3.4-2etch3loc1_amd64.deb03-Aug-2008 11:41 108K
[   ]liblwres9_9.3.4-2etch3loc1_amd64.deb03-Aug-2008 11:41 111K
[   ]libmysql++-dev_2.0.7-3_amd64.deb08-Mar-2007 21:38 1.6M
[   ]libmysql++2c2a_2.0.7-3_amd64.deb08-Mar-2007 21:38 930K
[   ]lwresd_9.3.4-2etch3loc1_amd64.deb03-Aug-2008 11:41 217K
[   ]openvpn_2.0.9-4-loc1_i386.deb16-Dec-2007 16:47 329K
[   ]pdns-backend-geo_2.9.20-8+etch1-loc1_amd64.deb24-Oct-2008 21:52 107K
[   ]pdns-backend-ldap_2.9.20-8+etch1-loc1_amd64.deb24-Oct-2008 21:52 196K
[   ]pdns-backend-mysql_2.9.20-8+etch1-loc1_amd64.deb24-Oct-2008 21:52 55K
[   ]pdns-backend-pgsql_2.9.20-8+etch1-loc1_amd64.deb24-Oct-2008 21:52 57K
[   ]pdns-backend-pipe_2.9.20-8+etch1-loc1_amd64.deb24-Oct-2008 21:52 77K
[   ]pdns-backend-sqlite_2.9.20-8+etch1-loc1_amd64.deb24-Oct-2008 21:52 53K
[   ]pdns-doc_2.9.20-8+etch1-loc1_all.deb24-Oct-2008 21:52 149K
[   ]pdns-recursor_3.1.4-1+etch2-loc1_amd64.deb24-Oct-2008 22:01 397K
[   ]pdns-server_2.9.20-8+etch1-loc1_amd64.deb24-Oct-2008 21:52 593K
[   ]pdns_2.9.20-8+etch1-loc1_all.deb24-Oct-2008 21:52 18K
[   ]sim-snd_0.0.2-thermoman-1_i386.deb06-Jan-2007 22:20 9.9M
[   ]sim_0.9.3+cvs20050505-1_i386.deb06-Jan-2007 22:20 3.3M
[   ]sim_0.9.3+cvs20050805-1_i386.deb06-Jan-2007 22:20 3.4M
[   ]sim_0.9.3+cvs20050805-2_i386.deb06-Jan-2007 22:20 3.4M
[   ]sim_0.9.4.2-1_i386.deb22-Jan-2007 23:30 3.5M

Apache/2.2.9 (Debian) Server at www.cecak.cz Port 80