diff --git a/src/messenger/webim/libs/statistics.php b/src/messenger/webim/libs/statistics.php
new file mode 100644
index 00000000..566c0176
--- /dev/null
+++ b/src/messenger/webim/libs/statistics.php
@@ -0,0 +1,46 @@
+<?php
+/*
+ * This file is part of Mibew Messenger project.
+ * 
+ * Copyright (c) 2005-2011 Mibew Messenger Community
+ * All rights reserved. The contents of this file are subject to the terms of
+ * the Eclipse Public License v1.0 which accompanies this distribution, and
+ * is available at http://www.eclipse.org/legal/epl-v10.html
+ * 
+ * Alternatively, the contents of this file may be used under the terms of
+ * the GNU General Public License Version 2 or later (the "GPL"), in which case
+ * the provisions of the GPL are applicable instead of those above. If you wish
+ * to allow use of your version of this file only under the terms of the GPL, and
+ * not to allow others to use your version of this file under the terms of the
+ * EPL, indicate your decision by deleting the provisions above and replace them
+ * with the notice and other provisions required by the GPL.
+ * 
+ * Contributors:
+ *    Evgeny Gryaznov - initial API and implementation
+ */
+
+function get_statistics_query($type)
+{
+	$query = $_SERVER['QUERY_STRING'];
+	if (! empty($query)) {
+		$query = '?'.$query;
+		$query = preg_replace("/\?type=\w+\&/", "?", $query);
+		$query = preg_replace("/(\?|\&)type=\w+/", "", $query);
+	}
+	$query .= strstr($query, "?") ? "&type=$type" : "?type=$type";
+	return $query;
+}
+
+function setup_statistics_tabs($active)
+{
+	global $settings, $page, $webimroot;
+	$page['tabs'] = array(
+		getlocal("report.bydate.title") => $active != 0 ? "$webimroot/operator/statistics.php".get_statistics_query('bydate') : "",
+		getlocal("report.byoperator.title") => $active != 1 ? "$webimroot/operator/statistics.php".get_statistics_query('byagent') : ""
+	);
+	if ($settings['enabletracking']) {
+		$page['tabs'][getlocal("report.bypage.title")] = ($active != 2 ? "$webimroot/operator/statistics.php".get_statistics_query('bypage') : "");
+	}
+}
+
+?>
diff --git a/src/messenger/webim/operator/statistics.php b/src/messenger/webim/operator/statistics.php
index 77b22964..dda0747e 100644
--- a/src/messenger/webim/operator/statistics.php
+++ b/src/messenger/webim/operator/statistics.php
@@ -22,6 +22,7 @@
 require_once('../libs/common.php');
 require_once('../libs/chat.php');
 require_once('../libs/operator.php');
+require_once('../libs/statistics.php');
 
 $operator = check_login();
 force_password($operator);
@@ -33,6 +34,11 @@ $page['operator'] = topage(get_operator_name($operator));
 $page['availableDays'] = range(1, 31);
 $page['availableMonth'] = get_month_selection(time() - 400 * 24 * 60 * 60, time() + 50 * 24 * 60 * 60);
 $page['showresults'] = false;
+$statisticstype = verifyparam("type", "/^(bydate|byagent|bypage)$/", "bydate");
+$page['type'] = $statisticstype;
+$page['showbydate'] = ($statisticstype == 'bydate');
+$page['showbyagent'] = ($statisticstype == 'byagent');
+$page['showbypage'] = ($statisticstype == 'bypage');
 $errors = array();
 
 if (isset($_GET['startday'])) {
@@ -68,29 +74,34 @@ if ($start > $end) {
 	$errors[] = getlocal("statistics.wrong.dates");
 }
 
+$activetab = 0;
 $link = connect();
+if ($statisticstype == 'bydate') {
+	$page['reportByDate'] = select_multi_assoc("select DATE(t.dtmcreated) as date, COUNT(distinct t.threadid) as threads, SUM(m.ikind = $kind_agent) as agents, SUM(m.ikind = $kind_user) as users, ROUND(AVG(unix_timestamp(t.dtmchatstarted)-unix_timestamp(t.dtmcreated)),1) as avgwaitingtime, ROUND(AVG(tmp.lastmsgtime - unix_timestamp(t.dtmchatstarted)),1) as avgchattime " .
+											"from ${mysqlprefix}chatmessage m, ${mysqlprefix}chatthread t, (SELECT i.threadid, unix_timestamp(MAX(i.dtmcreated)) AS lastmsgtime  FROM ${mysqlprefix}chatmessage i WHERE (ikind = $kind_user OR ikind = $kind_agent) GROUP BY i.threadid) tmp " .
+											"where m.threadid = t.threadid AND tmp.threadid = t.threadid AND unix_timestamp(t.dtmchatstarted) <> 0 AND unix_timestamp(m.dtmcreated) >= $start AND unix_timestamp(m.dtmcreated) < $end group by DATE(m.dtmcreated) order by m.dtmcreated desc", $link);
 
-$page['reportByDate'] = select_multi_assoc("select DATE(t.dtmcreated) as date, COUNT(distinct t.threadid) as threads, SUM(m.ikind = $kind_agent) as agents, SUM(m.ikind = $kind_user) as users, ROUND(AVG(unix_timestamp(t.dtmchatstarted)-unix_timestamp(t.dtmcreated)),1) as avgwaitingtime, ROUND(AVG(tmp.lastmsgtime - unix_timestamp(t.dtmchatstarted)),1) as avgchattime " .
-										"from ${mysqlprefix}chatmessage m, ${mysqlprefix}chatthread t, (SELECT i.threadid, unix_timestamp(MAX(i.dtmcreated)) AS lastmsgtime  FROM ${mysqlprefix}chatmessage i WHERE (ikind = $kind_user OR ikind = $kind_agent) GROUP BY i.threadid) tmp " .
-										"where m.threadid = t.threadid AND tmp.threadid = t.threadid AND unix_timestamp(t.dtmchatstarted) <> 0 AND unix_timestamp(m.dtmcreated) >= $start AND unix_timestamp(m.dtmcreated) < $end group by DATE(m.dtmcreated) order by m.dtmcreated desc", $link);
-
-$page['reportByDateTotal'] = select_one_row("select DATE(t.dtmcreated) as date, COUNT(distinct t.threadid) as threads, SUM(m.ikind = $kind_agent) as agents, SUM(m.ikind = $kind_user) as users, ROUND(AVG(unix_timestamp(t.dtmchatstarted)-unix_timestamp(t.dtmcreated)),1) as avgwaitingtime, ROUND(AVG(tmp.lastmsgtime - unix_timestamp(t.dtmchatstarted)),1) as avgchattime " .
-										"from ${mysqlprefix}chatmessage m, ${mysqlprefix}chatthread t, (SELECT i.threadid, unix_timestamp(MAX(i.dtmcreated)) AS lastmsgtime  FROM ${mysqlprefix}chatmessage i WHERE (ikind = $kind_user OR ikind = $kind_agent) GROUP BY i.threadid) tmp " .
-										"where m.threadid = t.threadid AND tmp.threadid = t.threadid AND unix_timestamp(t.dtmchatstarted) <> 0 AND unix_timestamp(m.dtmcreated) >= $start AND unix_timestamp(m.dtmcreated) < $end", $link);
-
-$page['reportByAgent'] = select_multi_assoc("select vclocalename as name, COUNT(distinct threadid) as threads, SUM(ikind = $kind_agent) as msgs, AVG(CHAR_LENGTH(tmessage)) as avglen " .
-											"from ${mysqlprefix}chatmessage, ${mysqlprefix}chatoperator " .
-											"where agentId = operatorid AND unix_timestamp(dtmcreated) >= $start AND unix_timestamp(dtmcreated) < $end group by operatorid", $link);
-
-$page['reportByPage'] = select_multi_assoc("SELECT COUNT(DISTINCT p.pageid) as visittimes, p.address, COUNT(DISTINCT t.threadid) as chattimes " .
-						"FROM ${mysqlprefix}visitedpagestatistics p LEFT OUTER JOIN ${mysqlprefix}chatthread t ON (p.address = t.referer AND DATE(p.visittime) = DATE(t.dtmcreated)) " .
-						"WHERE unix_timestamp(p.visittime) >= $start AND unix_timestamp(p.visittime) < $end GROUP BY p.address", $link);
-
+	$page['reportByDateTotal'] = select_one_row("select DATE(t.dtmcreated) as date, COUNT(distinct t.threadid) as threads, SUM(m.ikind = $kind_agent) as agents, SUM(m.ikind = $kind_user) as users, ROUND(AVG(unix_timestamp(t.dtmchatstarted)-unix_timestamp(t.dtmcreated)),1) as avgwaitingtime, ROUND(AVG(tmp.lastmsgtime - unix_timestamp(t.dtmchatstarted)),1) as avgchattime " .
+											"from ${mysqlprefix}chatmessage m, ${mysqlprefix}chatthread t, (SELECT i.threadid, unix_timestamp(MAX(i.dtmcreated)) AS lastmsgtime  FROM ${mysqlprefix}chatmessage i WHERE (ikind = $kind_user OR ikind = $kind_agent) GROUP BY i.threadid) tmp " .
+											"where m.threadid = t.threadid AND tmp.threadid = t.threadid AND unix_timestamp(t.dtmchatstarted) <> 0 AND unix_timestamp(m.dtmcreated) >= $start AND unix_timestamp(m.dtmcreated) < $end", $link);
+	$activetab = 0;
+} elseif($statisticstype == 'byagent') {
+	$page['reportByAgent'] = select_multi_assoc("select vclocalename as name, COUNT(distinct threadid) as threads, SUM(ikind = $kind_agent) as msgs, AVG(CHAR_LENGTH(tmessage)) as avglen " .
+												"from ${mysqlprefix}chatmessage, ${mysqlprefix}chatoperator " .
+												"where agentId = operatorid AND unix_timestamp(dtmcreated) >= $start AND unix_timestamp(dtmcreated) < $end group by operatorid", $link);
+	$activetab = 1;
+} elseif($statisticstype == 'bypage') {
+	$page['reportByPage'] = select_multi_assoc("SELECT COUNT(DISTINCT p.pageid) as visittimes, p.address, COUNT(DISTINCT t.threadid) as chattimes " .
+							"FROM ${mysqlprefix}visitedpagestatistics p LEFT OUTER JOIN ${mysqlprefix}chatthread t ON (p.address = t.referer AND DATE(p.visittime) = DATE(t.dtmcreated)) " .
+							"WHERE unix_timestamp(p.visittime) >= $start AND unix_timestamp(p.visittime) < $end GROUP BY p.address", $link);
+	$activetab = 2;
+}
 $page['showresults'] = count($errors) == 0;
 
 close_connection($link);
 
 prepare_menu($operator);
+setup_statistics_tabs($activetab);
 start_html_output();
 require('../view/statistics.php');
 ?>
diff --git a/src/messenger/webim/view/statistics.php b/src/messenger/webim/view/statistics.php
index 4b4174fd..453a31b7 100644
--- a/src/messenger/webim/view/statistics.php
+++ b/src/messenger/webim/view/statistics.php
@@ -19,7 +19,9 @@
  *    Evgeny Gryaznov - initial API and implementation
  */
 
+require_once("inc_tabbar.php");
 require_once("inc_menu.php");
+
 $page['title'] = getlocal("statistics.title");
 $page['menuid'] = "statistics";
 
@@ -34,8 +36,11 @@ require_once('inc_errors.php');
 ?>
 
 <form name="statisticsForm" method="get" action="<?php echo $webimroot ?>/operator/statistics.php">
-	<div class="mform"><div class="formtop"><div class="formtopi"></div></div><div class="forminner">
+<input type="hidden" name="type" value="<?php echo $page['type'] ?>" />
 
+	<?php print_tabbar(); ?>
+
+	<div class="mform"><div class="formtop"><div class="formtopi"></div></div><div class="forminner">
 
 	<div class="fieldForm">
 		<div class="field">
@@ -66,6 +71,7 @@ require_once('inc_errors.php');
 
 <?php if( $page['showresults'] ) { ?>
 
+<?php if($page['showbydate']) { ?>
 <br/>
 <br/>
 
@@ -117,7 +123,9 @@ require_once('inc_errors.php');
 <?php } ?>
 </tbody>
 </table>
+<?php } ?>
 
+<?php if($page['showbyagent']) { ?>
 <br/>
 <br/>
 
@@ -153,7 +161,9 @@ require_once('inc_errors.php');
 <?php } ?>
 </tbody>
 </table>
+<?php } ?>
 
+<?php if($page['showbypage']) { ?>
 <br/>
 <br/>
 
@@ -186,6 +196,7 @@ require_once('inc_errors.php');
 <?php } ?>
 </tbody>
 </table>
+<?php } ?>
 
 <?php } ?>