diff -r 8e017d512ef5 -r dc66d623dddd timeline/js/timeline.js
--- a/timeline/js/timeline.js	Fri Aug 16 19:12:05 2013 +0200
+++ b/timeline/js/timeline.js	Mon Aug 19 12:54:37 2013 +0200
@@ -126,29 +126,25 @@
         span : 7 * 86400 * 1000,
         grid_interval : 86400 * 1000,
         grid_date_format : '{{dayOfMonth}} {{monthName}}',
-        start_date_format : '{{dayOfMonth}} {{shortMonthName}}',
-        end_date_format : '{{dayOfMonth}} {{shortMonthName}}'
+        min_importance : 1
     }, {
         label : "3 jours",
         span : 3 * 86400 * 1000,
         grid_interval : 6 * 3600 * 1000,
         grid_date_format : '{{^isDayStart}}{{0hours}}h{{0minutes}}{{/isDayStart}}{{#isDayStart}}{{dayOfMonth}} {{shortMonthName}}{{/isDayStart}}',
-        start_date_format : '{{dayOfMonth}} {{shortMonthName}}',
-        end_date_format : '{{dayOfMonth}} {{shortMonthName}}'
+        min_importance : 0
     }, {
         label : "Journée",
         span : 86400 * 1000,
         grid_interval : 2 * 3600 * 1000,
         grid_date_format : '{{^isDayStart}}{{0hours}}h{{0minutes}}{{/isDayStart}}{{#isDayStart}}{{dayOfMonth}} {{shortMonthName}}{{/isDayStart}}',
-        start_date_format : '{{dayOfMonth}} {{shortMonthName}} {{hours}}h',
-        end_date_format : '{{dayOfMonth}} {{shortMonthName}} {{hours}}h'
+        min_importance : 0
     }, {
         label : "Demi-Journée",
         span : 6 * 3600 * 1000,
         grid_interval : 3600 * 1000,
         grid_date_format : '{{^isDayStart}}{{0hours}}h{{0minutes}}{{/isDayStart}}{{#isDayStart}}{{dayOfMonth}} {{shortMonthName}}{{/isDayStart}}',
-        start_date_format : '{{dayOfMonth}} {{shortMonthName}} {{hours}}h',
-        end_date_format : '{{dayOfMonth}} {{shortMonthName}} {{hours}}h'
+        min_importance : 0
     }],
     level: 0,
     central_time: 0,
@@ -174,7 +170,8 @@
         "Cms\\Rule": "Règle",
         "Cms\\Video": "Vidéo",
         "Cms\\SweetCadaver": "Cadavre exquis"
-    }
+    },
+    maxtime: false
 }
 
 for (var _i = 0; _i < Tlns.Defaults.Timeline.timescales.length; _i++) {
@@ -262,8 +259,9 @@
             var _deltaX = _event.pageX - _this.dragging_bounds.left,
                 _tAtMouse = _this.timeFromMouse(_event.pageX),
                 _newScale = _this.main_width / (_this.timescales[_newLevel].span),
-                _newStart = _tAtMouse - _deltaX / _newScale;
-            _this.central_time = _newStart + _this.timescales[_newLevel].span / 2;
+                _newStart = _tAtMouse - _deltaX / _newScale,
+                _newTime = _newStart + _this.timescales[_newLevel].span / 2;
+            _this.central_time = _this.maxtime ? Math.min(_newTime, _this.maxtime) : _newTime;
             _this.setLevel(_newLevel);
         }
         return false;
@@ -300,7 +298,7 @@
 }
 
 Tlns.Classes.Timeline.prototype.timeFromX = function(_x) {
-    return Math.max(this.start_time,Math.min(this.end_time, this.start_time + _x / this.current_scale));
+    return this.start_time + _x / this.current_scale;
 }
 
 Tlns.Classes.Timeline.prototype.timeFromMouse = function(_pageX) {
@@ -352,7 +350,7 @@
 
 Tlns.Classes.Timeline.prototype.setTime = function(_centralTime) {
     this.sync_now = false;
-    this.central_time = _centralTime;
+    this.central_time = this.maxtime ? Math.min(_centralTime, this.maxtime) : _centralTime;
     this.changeSpan();
 }
 
@@ -474,8 +472,10 @@
         _occ.x = _this.current_scale * (_occ.date - _this.start_time);
         _occ.y = _occ.univers.y;
     });
+    var minT = this.timeFromX(-85),
+        minI = this.timescales[this.level].min_importance;
     var _visible = _(this.occurrences).filter(function(_occ) {
-        return (_occ.date >= _this.start_time && _occ.date <= _this.end_time  && _occ.status);
+        return (_occ.date >= minT && _occ.date <= _this.end_time  && _occ.status && (_occ.importance >= minI));
     });
     
     var _moved = true, l = 0;
@@ -582,6 +582,7 @@
     this.formatted_date = Tlns.Utils.dateFormat(this.date,Tlns.Defaults.Timeline.tooltip_date_format);
     this.title = _data.title;
     this.type = _data.__CLASS__;
+    this.importance = _data.importance;
     switch(_data.__CLASS__) {
         case "Cms\\Previously":
         case "Cms\\Chapter":