diff --git a/src/messenger/webim/leavemessage.php b/src/messenger/webim/leavemessage.php
index 6d8043c7..6fd89a46 100644
--- a/src/messenger/webim/leavemessage.php
+++ b/src/messenger/webim/leavemessage.php
@@ -83,7 +83,7 @@ if( !$email ) {
 
 if($settings["enablecaptcha"] == "1" && can_show_captcha()) {
 	$captcha = getparam('captcha');
-	$original = $_SESSION['captcha'];
+	$original = isset($_SESSION['captcha']) ? $_SESSION['captcha'] : "";
 	if(empty($original) || empty($captcha) || $captcha != $original) {
 	  $errors[] = getlocal('errors.captcha');
 	}
diff --git a/src/messenger/webim/libs/chat.php b/src/messenger/webim/libs/chat.php
index 717ae8b9..cecc1237 100644
--- a/src/messenger/webim/libs/chat.php
+++ b/src/messenger/webim/libs/chat.php
@@ -288,7 +288,7 @@ function setup_leavemessage($name, $email, $message, $groupid, $groupname, $info
 	$page['showcaptcha'] = $settings["enablecaptcha"] == "1" && $canshowcaptcha ? "1" : "";
 	$page['formgroupid'] = $groupid;
 	$page['formgroupname'] = $groupname;
-	$page['forminfo'] = topage($info);
+	$page['info'] = topage($info);
 	$page['referrer'] = urlencode(topage($referrer));
 }
 
diff --git a/src/messenger/webim/libs/common.php b/src/messenger/webim/libs/common.php
index 18690fe2..71fd8454 100644
--- a/src/messenger/webim/libs/common.php
+++ b/src/messenger/webim/libs/common.php
@@ -549,7 +549,7 @@ function webim_mail($toaddr, $reply_to, $subject, $body) {
 
 	$body = preg_replace("/\n/","\r\n", $body);
 	
-	mail($toaddr, $real_subject, wordwrap(myiconv($webim_encoding, $mail_encoding, $body),70), $headers);
+	@mail($toaddr, $real_subject, wordwrap(myiconv($webim_encoding, $mail_encoding, $body),70), $headers);
 }
 
 $dbversion = '1.6.2';
diff --git a/src/messenger/webim/libs/expand.php b/src/messenger/webim/libs/expand.php
index 86c16c8b..ceca1fbe 100644
--- a/src/messenger/webim/libs/expand.php
+++ b/src/messenger/webim/libs/expand.php
@@ -79,7 +79,7 @@ function expand_var($matches) {
 	} else if($prefix == 'form:') {
 		return form_value($var);
 	} else if($prefix == 'page:') {
-		return $page[$var];
+		return isset($page[$var]) ? $page[$var] : "";
 	} else if($prefix == 'if:' || $prefix == 'else:' || $prefix == 'endif:' || $prefix == 'ifnot:') {
 		return "<!-- wrong $prefix:$var -->";
 	}
diff --git a/src/messenger/webim/libs/groups.php b/src/messenger/webim/libs/groups.php
index a5dc0725..f7c45c7f 100644
--- a/src/messenger/webim/libs/groups.php
+++ b/src/messenger/webim/libs/groups.php
@@ -29,7 +29,7 @@ function group_by_id($id) {
 
 function get_group_name($group) {
 	global $home_locale, $current_locale;
-	if( $home_locale == $current_locale || !$group['vccommonname'] )
+	if( $home_locale == $current_locale || !isset($group['vccommonname']) || !$group['vccommonname'])
 		return $group['vclocalname'];
 	else
 		return $group['vccommonname'];