diff --git a/CONTROL/postinst b/CONTROL/postinst
new file mode 100755
index 0000000..7b2adef
--- /dev/null
+++ b/CONTROL/postinst
@@ -0,0 +1,17 @@
+#!/bin/sh
+
+export tmpf=/tmp/cronf.$$
+
+# Add anacron jobs
+
+ana=$PKG_ROOT/etc/anacrontab
+grep -v 'backup/backup.jim' $ana > $tmpf
+(
+	cat $tmpf
+	echo "1 30 /mod/var/mongoose/cgi-bin/backup/backup.jim"
+) > $ana
+
+$PKG_ROOT/etc/init.d/S02anacron start < /dev/null > /dev/null 2>&1 &
+
+exit 0
+
diff --git a/CONTROL/prerm b/CONTROL/prerm
new file mode 100755
index 0000000..924be78
--- /dev/null
+++ b/CONTROL/prerm
@@ -0,0 +1,10 @@
+#!/bin/sh
+
+export tmpf=/tmp/cronf.$$
+
+ana=/mod/etc/anacrontab
+grep -v 'backup/backup.jim' $ana > $tmpf
+cp $tmpf $ana
+
+exit 0
+
diff --git a/var/mongoose/cgi-bin/backup/backup.jim b/var/mongoose/cgi-bin/backup/backup.jim
index 8ee9a18..72b8eae 100755
--- a/var/mongoose/cgi-bin/backup/backup.jim
+++ b/var/mongoose/cgi-bin/backup/backup.jim
@@ -13,12 +13,23 @@ puts ""
 cgi_input
 #cgi_dump
 
-if {![dict exists $_cgi file]} {
-	puts "No filename supplied."
-	exit
+set now [clock seconds]
+set file [file tail [cgi_get file \
+    [clock format $now -format "auto-%Y-%b-%d-%H:%M"]]]
+
+if {[string match {auto-*} $file]} {
+	# Delete any automatic backups over 7 days old.
+	set mt $(7 * 3600)
+	foreach af [glob -nocomplain "$dir/auto-*"] {
+		set aft [file mtime $af]
+		set diff $($now - $aft)
+		if {$diff > $mt} {
+			puts "Removing $af"
+			file delete $af 
+		}
+	}
 }
 
-set file [file tail [dict get $_cgi file]]
 set ffile "/$dir/$file.rbk"
 
 if {[file exists $ffile]} {