diff -r 4b37ee07374d -r c91124908cd1 integration/js/edition.js
--- a/integration/js/edition.js	Thu Jun 06 15:48:09 2013 +0200
+++ b/integration/js/edition.js	Thu Jun 06 16:13:09 2013 +0200
@@ -301,7 +301,8 @@
         //var newEnd = new IriSP.Model.Time(chapter.end)
         chapterModify.setEnd(chapter.end);
     }
-    chapters = _(chapters).reject(function(c) { return c.id == idChapter; });
+    chapters.removeId(idChapter);
+    myProject.getAnnotations().removeId(idChapter, true);
     renderChapter();
     //si le formulaire est visible
     if($('#form-chapter-edit-'+idChapter).length){
@@ -325,6 +326,7 @@
             chapter.color = getRandomColor();
     
         chapters.push(chapter);
+        myProject.getAnnotations().push(chapter);
         renderChapter();
         loadFormChapter(chapter.id);
     }
@@ -366,7 +368,7 @@
             wChapterSegmentWrap = chapterSegmentWrap.width(),
             chapterList = $('.list-chapter-rows-wrap');
 
-        chapters = _.sortBy(chapters, function(c){
+        chapters = chapters.sortBy(function(c){
             return c.begin;
         });
 
@@ -412,6 +414,7 @@
             annotation.keywords = dataAnnotation.keywords;
             annotation.content = getContentAnnotationByType(dataAnnotation.type);
 
+        myProject.getAnnotations().push(annotation);
         annotations.push(annotation);
         
         return annotation;
@@ -424,7 +427,7 @@
             wTimeline = timeline.width(),
             annotationList = $('#list-annotations-rows');
 
-        annotations = _.sortBy(annotations, function(c){
+        annotations = annotations.sortBy(function(c){
             return c.begin;
         });
 
@@ -521,7 +524,8 @@
     function deleteAnnotation(idAnnotation){
         disabledPreview();
         $("#modal-confirm").modal('hide');
-        annotations = _(annotations).reject(function(c) { return c.id == idAnnotation; });
+        annotations.removeId(idAnnotation);
+        myProject.getAnnotations().removeId(idAnnotation, true);
         closeTab(idAnnotation);
         renderAnnotation();
     }
@@ -891,7 +895,7 @@
 $('.btn-save-project').bind('click', function(e){
     $('.btn-apercu-projet').removeClass('disabled');
 
-    console.log(myProject.serialize());
+    console.log(JSON.parse(myProject.serialize()));
 /*
     $.ajax({
         type: "POST",