diff --git a/bureau/class/functions.php b/bureau/class/functions.php
index cfb1d49f..c099c315 100644
--- a/bureau/class/functions.php
+++ b/bureau/class/functions.php
@@ -308,10 +308,12 @@ function getuserpath($user = null) {
  */
 function cbox($test, $echo = TRUE) {
   if ($test) {
-      $return = " checked=\"checked\"";
+    $return = " checked=\"checked\"";
+  } else {
+    $return='';
   }
   if( $echo ){
-      echo $return;
+    echo $return;
   }
   return $return;
 }
@@ -327,10 +329,12 @@ function cbox($test, $echo = TRUE) {
  */
 function selected($bool, $echo = TRUE) {
   if ($bool) {
-      $return = " selected=\"selected\"";
+    $return = " selected=\"selected\"";
+  } else {
+    $return='';
   }
   if( $echo ){
-      echo $return;
+    echo $return;
   }
   return $return;
 }
@@ -851,7 +855,7 @@ function display_browser($dir="", $caller="main.dir", $width=350, $height=450) {
           
           document.write('&nbsp;<input type=\"button\" id=\"bt".$bid."\" value=\""._("Choose a folder...")."\" class=\"ina\">');
           document.write('<div id=\"".$bid."\" title=\""._("Choose a folder...")."\" style=\"display: none; bgcolor:red;\">');
-          document.write('  <iframe src=\"/browseforfolder2.php?caller=".$caller."&amp;file=".ehe($dir, 0)."&amp;bid=".$bid."\" width=\"".($width-40)."\" height=\"".($height-64)."\" frameborder=\"no\" id=\"browseiframe\"></iframe>');
+          document.write('  <iframe src=\"/browseforfolder2.php?caller=".$caller."&amp;file=".ehe($dir, false)."&amp;bid=".$bid."\" width=\"".($width-40)."\" height=\"".($height-64)."\" frameborder=\"no\" id=\"browseiframe\"></iframe>');
           document.write('</div>');
         //  -->
         </script>
diff --git a/bureau/class/m_authip.php b/bureau/class/m_authip.php
index e0caaac9..cedc4567 100644
--- a/bureau/class/m_authip.php
+++ b/bureau/class/m_authip.php
@@ -251,7 +251,6 @@ class m_authip {
    */
   function get_auth_class() {
     global $hooks;
-    $authclass=array();
     $authclass = $hooks->invoke('authip_class');
 
     // Je rajoute la class DANS l'objet parce que
diff --git a/bureau/class/m_bro.php b/bureau/class/m_bro.php
index fa64c9b9..49b69d61 100644
--- a/bureau/class/m_bro.php
+++ b/bureau/class/m_bro.php
@@ -182,7 +182,7 @@ class m_bro {
     global $db,$cuid,$err;
     $db->query("UPDATE browser SET lastdir='$dir' WHERE uid='$cuid';");
     $absolute=$this->convertabsolute($dir,0);
-    if (! file_exists($absolute)) {
+    if (!$absolute || !file_exists($absolute)) {
       $err->raise('bro',_("This directory do not exist"));
       return false;
     }
@@ -239,11 +239,11 @@ class m_bro {
     $listmode=intval($listmode);	$showicons=intval($showicons);
     $showtype=intval($showtype);	$downfmt=intval($downfmt);
     $createfile=intval($createfile);	$golastdir=intval($golastdir);
-    $db->query("SELECT * FROM browser WHERE uid='$cuid';");
+    $db->query("SELECT * FROM browser WHERE uid='".intval($cuid)."';");
     if ($db->num_rows()==0) {
-      $db->query("INSERT INTO browser (editsizex, editsizey, listmode, showicons, downfmt, createfile, showtype, uid, editor_font, editor_size, golastdir) VALUES (70, 21, 0, 0, 0, 0, 0, '".$this->uid."','Arial, Helvetica, Sans-serif','12px',1);");
+      $db->query("INSERT INTO browser (editsizex, editsizey, listmode, showicons, downfmt, createfile, showtype, uid, editor_font, editor_size, golastdir) VALUES (70, 21, 0, 0, 0, 0, 0, '".intval($cuid)."','Arial, Helvetica, Sans-serif','12px',1);");
     }
-    $db->query("UPDATE browser SET editsizex='$editsizex', editsizey='$editsizey', listmode='$listmode', showicons='$showicons', downfmt='$downfmt', createfile='$createfile', showtype='$showtype', editor_font='$editor_font', editor_size='$editor_size', golastdir='$golastdir' WHERE uid='$cuid';");
+    $db->query("UPDATE browser SET editsizex='$editsizex', editsizey='$editsizey', listmode='$listmode', showicons='$showicons', downfmt='$downfmt', createfile='$createfile', showtype='$showtype', editor_font='$editor_font', editor_size='$editor_size', golastdir='$golastdir' WHERE uid='".intval($cuid)."';");
     return true;
   }
 
@@ -721,11 +721,11 @@ class m_bro {
   function content($R,$file) {
     global $err;
     $absolute=$this->convertabsolute($R,0);
-    $std="";
     if (!strpos($file,"/")) {
       $absolute.="/".$file;
       if (file_exists($absolute)) {
 	$std=str_replace("<","&lt;",str_replace("&","&amp;",file_get_contents($absolute)));
+        return $std;
       } else {
 	$err->raise("bro",_("Cannot read the requested file. Please check the permissions"));
 	return false;
@@ -734,7 +734,6 @@ class m_bro {
       $err->raise("bro",_("File or folder name is incorrect"));
       return false;
     }
-    return $std;
   }
 
 
@@ -970,7 +969,7 @@ class m_bro {
     header("Content-Disposition: attachment; filename=".$mem->user["login"].".zip");
     header("Content-Type: application/x-zip");
     header("Content-Transfer-Encoding: binary");
-    $d=escapeshellarg($this->convertabsolute($dir,0));
+    $d=escapeshellarg($this->convertabsolute($dir,false));
     set_time_limit(0);
     passthru("/usr/bin/zip -r - $d");
   }
@@ -1020,7 +1019,7 @@ class m_bro {
     global $db,$err;
     $err->log("bro","export_conf");
     $str="<table border=\"1\"><caption> Browser </caption>\n";
-    $str="  <browser>\n";
+    $str.="  <browser>\n";
     $pref=$this->GetPrefs();
     
     $i=1;
diff --git a/bureau/class/m_export.php b/bureau/class/m_export.php
index 7f4443a5..187fef91 100644
--- a/bureau/class/m_export.php
+++ b/bureau/class/m_export.php
@@ -11,7 +11,6 @@ Class m_export {
 
     function export_conf(){
         global $hooks;
-        $conf = array(); 
         $conf=$hooks->invoke('alternc_export_conf');
         return $conf;
     }
diff --git a/bureau/class/m_ftp.php b/bureau/class/m_ftp.php
index 273b6b00..92b8c2af 100644
--- a/bureau/class/m_ftp.php
+++ b/bureau/class/m_ftp.php
@@ -271,7 +271,6 @@ class m_ftp {
       $err->raise("ftp",_("The chosen prefix is not allowed"));
       return false;
     }
-    $lo=$mem->user["login"];
 
     $full_login=$prefixe;
     if ($login) $full_login.="_".$login;
@@ -362,7 +361,6 @@ class m_ftp {
     }
     $db->query("SELECT login FROM membres WHERE uid='$cuid';");
     $db->next_record();
-    $lo=$db->f("login");
     $absolute=getuserpath()."/$dir";
     if (!file_exists($absolute)) {
       system("/bin/mkdir -p $absolute"); // FIXME replace with action
@@ -397,7 +395,6 @@ class m_ftp {
   function is_ftp($dir) {
     global $mem,$db,$err;
     $err->log("ftp","is_ftp",$dir);
-    $lo=$mem->user["login"];
     if (substr($dir,0,1)=="/") $dir=substr($dir,1);
     $db->query("SELECT id FROM ftpusers WHERE homedir='".getuserpath()."/$dir';");
     if ($db->num_rows()) {
diff --git a/bureau/class/m_hooks.php b/bureau/class/m_hooks.php
index dc3854cc..673b18d2 100644
--- a/bureau/class/m_hooks.php
+++ b/bureau/class/m_hooks.php
@@ -88,7 +88,7 @@ class m_hooks {
     // First, build the list of script we want to launch
     $to_launch=array();
     if (is_file($scripts)) {
-      if (is_executable($script)) {
+      if (is_executable($scripts)) {
         $to_launch[]=$scripts;
       }
     } else if (is_dir($scripts)) {
diff --git a/bureau/class/m_hta.php b/bureau/class/m_hta.php
index dc89cdee..f4499caf 100644
--- a/bureau/class/m_hta.php
+++ b/bureau/class/m_hta.php
@@ -147,11 +147,9 @@ class m_hta {
     global $mem,$err;
     $err->log("hta","is_protected",$dir);
     $absolute=ALTERNC_HTML."/".substr($mem->user["login"],0,1)."/".$mem->user["login"]."/$dir";
-    $sortie=array();
     if (file_exists("$absolute/.htpasswd")){
       return true;
-    }
-    else {
+    } else {
       return false;
     }
   }
diff --git a/bureau/class/m_lxc.php b/bureau/class/m_lxc.php
index 08c871d1..538cc820 100644
--- a/bureau/class/m_lxc.php
+++ b/bureau/class/m_lxc.php
@@ -34,7 +34,9 @@ class m_lxc implements vm {
 
 
   public $IP;
+  public $KEY;
   public $PORT;
+  public $maxtime;
   public $TIMEOUT = 5;
   public $error = array();
 
@@ -107,7 +109,6 @@ class m_lxc implements vm {
       $this->error[] = 'Unable to send data';
       return FALSE;
     }
-    $resp = '';
     $resp = fgets($fp, 8192);
     fclose ($fp);
 
@@ -147,14 +148,14 @@ class m_lxc implements vm {
       return $this->error;
     } else {
       $data = unserialize($res);
-      $error = $data['error'];
+      $error = (int)$data['error'];
       $hostname = $data['hostname'];
       $msg = $data['msg'];
       $date_start = 'NOW()';
       $uid = $mem->user['uid'];
 
-      if ((int)$data['error'] != 0) {
-        $err->raise('lxc', _($data['msg']));
+      if ($error != 0) {
+        $err->raise('lxc', _($msg));
         return FALSE;
       }
       $db->query("INSERT INTO vm_history (ip,date_start,uid,serialized_object) VALUES ('$hostname', $date_start, '$uid', '$res')");
diff --git a/bureau/class/m_mail.php b/bureau/class/m_mail.php
index 2d76d8fc..ffb9b760 100644
--- a/bureau/class/m_mail.php
+++ b/bureau/class/m_mail.php
@@ -76,6 +76,7 @@ class m_mail {
   var $srv_pop3s;
 
   var $cache_domain_mail_size = array();
+  var $enum_domains=array();
   /* ----------------------------------------------------------------- */
   /** 
    * Constructeur
@@ -674,7 +675,7 @@ ORDER BY
       }
     }
     $db->query("DELETE FROM recipient WHERE address_id=".$mail_id.";");
-    if ($m) {
+    if (isset($m) && $m) {
       $db->query("INSERT INTO recipient SET address_id=".$mail_id.", recipients='".addslashes($red)."';");
     }
     return true;
@@ -738,13 +739,11 @@ ORDER BY
     $err->log("mail","export");
     $domain=$this->enum_domains();
     $str="<mail>\n";
-    $onepop=false;
     foreach ($domain as $d) {
       $str.="  <domain>\n    <name>".xml_entities($d["domain"])."</name>\n";
       $s=$this->enum_domain_mails($d["id"]);
       if (count($s)) {
 	while (list($key,$val)=each($s)){
-	  $test=$this->get_details($val['id']);
 	  $str.="    <address>\n";
 	  $str.="      <name>".xml_entities($val["address"])."</name>\n";
 	  $str.="      <enabled>".xml_entities($val["enabled"])."</enabled>\n";
diff --git a/bureau/class/m_mem.php b/bureau/class/m_mem.php
index fe30af48..b48b60a8 100644
--- a/bureau/class/m_mem.php
+++ b/bureau/class/m_mem.php
@@ -486,9 +486,9 @@ Cordially.
     $db->next_record();
 
     // un cookie de 20 caractères pour le mail
-    $COOKIE=substr(md5(uniqid(rand(),1)),0,20);
+    $COOKIE=substr(md5(uniqid(rand(), true)),0,20);
     // et de 6 pour la clé à entrer. ca me semble suffisant...
-    $KEY=substr(md5(uniqid(rand(),1)),0,6);
+    $KEY=substr(md5(uniqid(rand(), true)),0,6);
     $link="https://$L_FQDN/mem_cm.php?usr=$cuid&cookie=$COOKIE";
     $txt=sprintf(_("Hello,
 
diff --git a/bureau/class/reset_stats_conf.php b/bureau/class/reset_stats_conf.php
index 28f84a40..f70af959 100644
--- a/bureau/class/reset_stats_conf.php
+++ b/bureau/class/reset_stats_conf.php
@@ -8,6 +8,7 @@ if (!$admin->enabled) {
 }
 
 $db->query("SELECT id,hostname FROM stats;");
+$d=array();
 while ($db->next_record()) {
  $d[]=$db->Record;
 }
@@ -16,4 +17,4 @@ foreach ($d as $r) {
  $stats->_createconf($r[0],1);
 }
 
-?>
\ No newline at end of file
+?>