diff --git a/src/messenger/webim/libs/chat.php b/src/messenger/webim/libs/chat.php
index 776ccd40..3117b7e7 100644
--- a/src/messenger/webim/libs/chat.php
+++ b/src/messenger/webim/libs/chat.php
@@ -304,7 +304,7 @@ function setup_chatview_for_operator($thread,$operator) {
 	foreach(explode("\n", getlocal_('chat.predefined_answers', $thread['locale'])) as $answer) {
 		$predefinedres .= "<option>$answer</option>";
 	}
-	$page['predefinedAnswers'] = $predefinedres; 
+	$page['predefinedAnswers'] = $predefinedres;
 	$params = "thread=".$thread['threadid']."&token=".$thread['ltoken'];
 	$page['selfLink'] = "$webimroot/operator/agent.php?".$params;
 
diff --git a/src/messenger/webim/libs/expand.php b/src/messenger/webim/libs/expand.php
index e7f7e298..18fe84af 100644
--- a/src/messenger/webim/libs/expand.php
+++ b/src/messenger/webim/libs/expand.php
@@ -28,7 +28,7 @@ function expand_condition($matches) {
 	if($value) {
 		return preg_replace_callback($ifregexp, "expand_condition", $matches[3]);
 	} else if(isset($matches[4])) {
-		return preg_replace_callback($ifregexp, "expand_condition", substr($matches[4],strpos($matches[4],"}")+1)); 
+		return preg_replace_callback($ifregexp, "expand_condition", substr($matches[4],strpos($matches[4],"}")+1));
 	}
 	return "";
 }
@@ -50,7 +50,7 @@ function expand_var($matches) {
 				}
 				$result .= getlocal("errors.footer");
 				return $result;
-			}			
+			}
 		}
 
 	} else if($prefix == 'msg:') {
diff --git a/src/messenger/webim/operator/agent.php b/src/messenger/webim/operator/agent.php
index a63a55ce..c9bc5178 100644
--- a/src/messenger/webim/operator/agent.php
+++ b/src/messenger/webim/operator/agent.php
@@ -69,7 +69,7 @@ $pparam = verifyparam( "act", "/^(redirect)$/", "default");
 if( $pparam == "redirect" ) {
 	$found = get_operators();
 	setup_pagination($found);
-	
+
 	$agent_list = "";
 	$params = array('thread' => $threadid, 'token' => $token);
 	for( $indagent = 0; $indagent < count($page['pagination.items']); $indagent += 1 ) {
@@ -78,7 +78,7 @@ if( $pparam == "redirect" ) {
 		$agent_list .= "<li><a href=\"".add_params($webimroot."/operator/redirect.php",$params)."\" title=\"".topage($agent['vclocalename'])."\">".topage($agent['vclocalename'])."</a>";
 	}
 	$page['pagination_list'] = $agent_list;
-	
+
 	expand("../design/default/redirect.tpl");
 } else {
 	expand("../design/default/chat.tpl");