diff --git a/html/js/scripts.js b/html/js/scripts.js
index 3b4c4c45d..7f2d2ae62 100644
--- a/html/js/scripts.js
+++ b/html/js/scripts.js
@@ -1958,7 +1958,8 @@ function display_task(p_id)
         }}
     );
     $(p_id).style.top = posY+'px';
-    $(p_id).style.left = posX+'px';
+    $(p_id).style.left = "10%";
+    $(p_id).style.width= "80%";
     $(p_id).style.display = 'block';
 
 }
@@ -2634,4 +2635,17 @@ function unselect_other_tab(p_tab)
     } catch(e) {
         if ( console ) console.log(e.message);
     }
+}
+/**
+ * logout function call from ajax
+ * @see ajax_disconnected
+ * @returns {undefined}
+ */
+function logout()
+{
+    var tmp_place = window.location.href
+    var tmp_b=tmp_place.split('/')
+    var tmp_last=tmp_b.length-1
+    var place_logout=tmp_place.replace(tmp_b[tmp_last],'logout.php');
+    window.location.href=place_logout;
 }
\ No newline at end of file
diff --git a/include/ac_common.php b/include/ac_common.php
index 55eb551e0..200f0db88 100644
--- a/include/ac_common.php
+++ b/include/ac_common.php
@@ -784,8 +784,8 @@ function ajax_disconnected($div)
 	$html.=h2(_('Données non disponibles'), 'class="title" style="width:auto"');
 	$html.=h2(_('Veuillez vous reconnecter'), 'class="error"');
 	$html.=alert(_("Déconnecté"), true);
+        $html.="<script>logout();</script>";
 	$html = escape_xml($html);
-
 	header('Content-type: text/xml; charset=UTF-8');
 	echo <<<EOF
 <?xml version="1.0" encoding="UTF-8"?>