diff --git a/call.cgi b/call.cgi
index ad3ee29..08409b6 100755
--- a/call.cgi
+++ b/call.cgi
@@ -13,37 +13,77 @@
 print "Content-Type: application/json"
 print ""
 
+class Data(object):
+    def __init__(self, value = ""): self._value = value
+    @property
+    def value(self): return self._value
+    @value.setter
+    def value(self, value): self._value = value
+
+
+def machine_name(ip_str):
+    ip = [int(v) for v in ip_str.split(".")]
+    if ip_str.startswith("172.29.11"):
+        if   ip[2] == 116:  prefix = "GRL"
+        elif ip[2] == 117:  prefix = "ML1"
+        elif ip[2] == 118:  prefix = "ML2"
+        elif ip[2] == 119:  prefix = "HSJ"
+        else: return ip_str
+        if prefix != "HSJ" and 151 <= ip[3] <= 150 + 49 or\
+           prefix == "HSJ" and 151 <= ip[3] <= 150 + 63:  
+            return "%s-%02d"  % (prefix, ip[3]-150)
+        if 220 <= ip[3] <= 220 + 5:  
+            return "%s-K%02d" % (prefix, ip[3]-220)
+        else: return ip_str
+
+form = {
+        "date": Data(sys.argv[1]),
+        "from": Data(sys.argv[2]),
+          "to": Data(sys.argv[3]),
+}
+
 fr =  datetime.strptime(form["date"].value + " " + form["from"].value, "%Y %m %d %H:%M")
 to =  datetime.strptime(form["date"].value + " " + form["to"].value, "%Y %m %d %H:%M")
 
-logdir = "/var/log/httpd/"
+#logdir = "/var/log/httpd/"
+logdir = "./"
 
 l = fr + timedelta(7) # a week after
 higher = "access_log-%04d%02d%02d"%(l.year, l.month, l.day)
-lower = "access_log-%04d%02d%02d"%(fr.year, fr.month, fr.day)
-logfiles = [fname for fname in os.listdir(logdir) if fname.startswith("access_log-") and lower <= fname and fname <=higher]
-
-#logfiles.sort()
+lower  = "access_log-%04d%02d%02d"%(fr.year, fr.month, fr.day)
+logfiles = [fname for fname in os.listdir(logdir) 
+                if fname.startswith("access_log-") and lower <= fname and fname <=higher]
 if not logfiles: logfiles.append('access_log')
 
-#ipaddr = "172.29.119." + str(int(name)+150)
-
-errlog = []
-error_count = 0
-lines = []
 maildb = pickle.load(open("name.pickle"))
-
+db = {}
+lines = []
 for fname in logfiles[-2:]:
     with open(logdir + fname) as f:
         line = [l for l in f.readlines() if "logonoff" in l]
-	line = [re.match(r'^([0-9.]*).*\[(\d+/\w+/\d+:\d+:\d+:\d+).*logonoff\?(o.*) HTTP', l) for l in line]
-	line = [l.groups() for l in line if l]
-        line = [(ip, datetime.strptime(date, '%d/%b/%Y:%H:%M:%S'), action) 
+        line = [re.match(r'^([0-9.]*).*\[(\d+/\w+/\d+:\d+:\d+:\d+).*logonoff\?(.*) HTTP', l) for l in line]
+        line = [l.groups() for l in line if l]
+        line = [(machine_name(ip), datetime.strptime(date, '%d/%b/%Y:%H:%M:%S'), action) 
                 for ip, date, action in line]
-	line = [[ip, date.strftime("%Y/%m/%d %H:%M")]+action.split(':')
-			for ip, date, action in line if fr <= date and date <= to]
-	line = [[ip, date, action, id_, maildb[id_]["no"], maildb[id_]["name"],
-		maildb[id_]["reading"], maildb[id_]["dep"]] for ip, date, action, id_ in line if id_ in maildb]
-        lines += line 
+        for host, date, action in line:
+            if host in db:
+                db[host].append([date,action])
+            else:
+                db[host] = [[date,action]]
+for mac in db.keys():
+    candidate = []
+    for date, action in db[mac]:
+        if action.startswith("on:"):
+            if date < to:
+                _, id_ = action.split(":")
+                if id_ in maildb:
+                    date = date.strftime("%Y/%m/%d %H:%M")
+                    candidate.append([mac, date, action, id_, 
+                        maildb[id_]["no"], maildb[id_]["name"],
+                        maildb[id_]["reading"], maildb[id_]["dep"]])
+        if action.startswith("off:") or action.startswith("shutdown"):
+            if not fr < date and candidate:
+                candidate.pop()
+    lines.extend(candidate)
 
 json.dump(lines, sys.stdout)