diff --git a/resources/static/js/ppolicy.js b/resources/static/js/ppolicy.js
index 655ec67..8e9ef25 100644
--- a/resources/static/js/ppolicy.js
+++ b/resources/static/js/ppolicy.js
@@ -10,9 +10,24 @@ $('#form').validator({
                 type: 'POST',
                 dataType: 'json',
                 async: false,
-                data: 'pwd=' + $el.val(),
+                data: 'pwd=' + encodeURIComponent($el.val()),
                 success: function(data) {
                     $ret = data;
+                },
+                error: function(jqXHR, exception) {
+                    switch (jqXHR.status) {
+                        case 400:
+                            $ret = {"reason":"Javascript ppolicy.js error","match":false};
+                            break;
+                        case 403:
+                            $ret = {"reason":"Session expired, you must reconnect","match":false};
+                            break;
+                        case 500:
+                            $ret = {"reason":"Server error","match":false};
+                            break;
+                        default:
+                            $ret = {"reason":"Unknown error [" + jqXHR.status + "], check logs","match":false};
+                    }
                 }
             });
             this.options.errors['ppolicy'] = $ret['reason'];