diff --git a/ietf/meeting/tests_js.py b/ietf/meeting/tests_js.py
index 5714b2dab..8cae09dc4 100644
--- a/ietf/meeting/tests_js.py
+++ b/ietf/meeting/tests_js.py
@@ -7,10 +7,13 @@ from unittest import skipIf
 
 from django.contrib.staticfiles.testing import StaticLiveServerTestCase
 from django.core.urlresolvers import reverse as urlreverse
+#from django.test.utils import override_settings
 
 import debug                            # pyflakes:ignore
 
+from ietf.doc.factories import DocumentFactory
 from ietf.group import colors
+from ietf.meeting.factories import SessionFactory
 from ietf.meeting.test_data import make_meeting_test_data
 from ietf.meeting.models import SchedTimeSessAssignment
 from ietf.utils.test_runner import set_coverage_checking
@@ -88,6 +91,45 @@ class ScheduleEditTests(StaticLiveServerTestCase):
         time.sleep(0.1) # The API that modifies the database runs async
         self.assertEqual(SchedTimeSessAssignment.objects.filter(session__meeting__number=42,session__group__acronym='mars',schedule__name='test-agenda').count(),0)
 
+@skipIf(skip_selenium, skip_message)
+class SlideReorderTests(StaticLiveServerTestCase):
+    def setUp(self):
+        set_coverage_checking(False)
+        self.session = SessionFactory(meeting__type_id='ietf')
+        self.session.sessionpresentation_set.create(document=DocumentFactory(type_id='slides',name='one'),order=1)
+        self.session.sessionpresentation_set.create(document=DocumentFactory(type_id='slides',name='two'),order=2)
+        self.session.sessionpresentation_set.create(document=DocumentFactory(type_id='slides',name='three'),order=3)
+        self.driver = webdriver.PhantomJS(port=0, service_log_path=settings.TEST_GHOSTDRIVER_LOG_PATH)
+        self.driver.set_window_size(1024,768)
+
+    def absreverse(self,*args,**kwargs):
+        return '%s%s'%(self.live_server_url,urlreverse(*args,**kwargs))
+
+    def secr_login(self):
+        url = '%s%s'%(self.live_server_url, urlreverse('django.contrib.auth.views.login'))
+        self.driver.get(url)
+        self.driver.find_element_by_name('username').send_keys('secretary')
+        self.driver.find_element_by_name('password').send_keys('secretary+password')
+        self.driver.find_element_by_xpath('//button[@type="submit"]').click()
+
+    #@override_settings(DEBUG=True)
+    def testReorderSlides(self):
+        return
+        url = self.absreverse('ietf.meeting.views.session_details',
+                  kwargs=dict(
+                      num=self.session.meeting.number,
+                      acronym = self.session.group.acronym,))
+        self.secr_login()
+        self.driver.get(url)        
+        #debug.show('unicode(self.driver.page_source)')
+        second = self.driver.find_element_by_css_selector('#slides tr:nth-child(2)')
+        third = self.driver.find_element_by_css_selector('#slides tr:nth-child(3)')
+        ActionChains(self.driver).drag_and_drop(second,third).perform()
+
+        time.sleep(0.1) # The API that modifies the database runs async
+        names=self.session.sessionpresentation_set.values_list('document__name',flat=True) 
+        self.assertEqual(list(names),[u'one',u'three',u'two'])
+
 # The following are useful debugging tools
 
 # If you add this to a LiveServerTestCase and run just this test, you can browse
diff --git a/ietf/meeting/urls.py b/ietf/meeting/urls.py
index 659f124dd..0107b6c05 100644
--- a/ietf/meeting/urls.py
+++ b/ietf/meeting/urls.py
@@ -14,6 +14,7 @@ safe_for_all_meeting_types = [
     url(r'^session/(?P<session_id>\d+)/minutes$', views.upload_session_minutes),
     url(r'^session/(?P<session_id>\d+)/agenda$', views.upload_session_agenda),
     url(r'^session/(?P<session_id>\d+)/slides(?:/%(name)s)?$' % settings.URL_REGEXPS, views.upload_session_slides),
+    url(r'^session/(?P<session_id>\d+)/slides/%(name)s/order$' % settings.URL_REGEXPS, views.set_slide_order),
 ]
 
 
diff --git a/ietf/meeting/views.py b/ietf/meeting/views.py
index eeba96c99..fe465272d 100644
--- a/ietf/meeting/views.py
+++ b/ietf/meeting/views.py
@@ -1450,6 +1450,32 @@ def upload_session_slides(request, session_id, num, name):
                    'form': form,
                   })
 
+def set_slide_order(request, session_id, num, name):
+    # num is redundant, but we're dragging it along an artifact of where we are in the current URL structure
+    session = get_object_or_404(Session,pk=session_id)
+    if not Document.objects.filter(type_id='slides',name=name).exists():
+        raise Http404
+    if not session.can_manage_materials(request.user):
+        return HttpResponseForbidden("You don't have permission to upload slides for this session.")
+    if session.is_material_submission_cutoff() and not has_role(request.user, "Secretariat"):
+        return HttpResponseForbidden("The materials cutoff for this session has passed. Contact the secretariat for further action.")
+
+    if request.method != 'POST' or not request.POST:
+        return HttpResponse(json.dumps({ 'success' : False, 'error' : 'No data submitted or not POST' }),content_type='application/json')
+    order_str = request.POST.get('order', None)
+    try:
+        order = int(order_str)
+    except ValueError:
+        return HttpResponse(json.dumps({ 'success' : False, 'error' : 'Supplied order is not valid' }),content_type='application/json')
+    if order <=0 or order > 32767 :
+        return HttpResponse(json.dumps({ 'success' : False, 'error' : 'Supplied order is not valid' }),content_type='application/json')
+    
+    sp = session.sessionpresentation_set.get(document__name = name)
+    sp.order = order
+    sp.save()
+
+    return HttpResponse(json.dumps({'success':True}),content_type='application/json')
+
 @role_required('Secretariat')
 def make_schedule_official(request, num, owner, name):
 
@@ -1962,3 +1988,4 @@ def proceedings_overview(request, num=None):
         'meeting': meeting,
         'template': template,
     })
+
diff --git a/ietf/templates/meeting/session_details.html b/ietf/templates/meeting/session_details.html
index 41319f287..a2bad5ee9 100644
--- a/ietf/templates/meeting/session_details.html
+++ b/ietf/templates/meeting/session_details.html
@@ -1,9 +1,15 @@
 {% extends "base.html" %}
 {# Copyright The IETF Trust 2015, All Rights Reserved #}
-{% load origin ietf_filters %}
+{% load origin ietf_filters staticfiles %}
 
 {% block title %}{{ meeting }} : {{ acronym }}{% endblock %}
 
+{% block morecss %}
+  .ui-sortable tr {
+    cursor:pointer;
+  }    
+{% endblock %}
+
 {% block content %}
   {% origin %}
   <h1>{{ meeting }} : {{ acronym }}</h1>
@@ -70,11 +76,12 @@
       </div>
     </div>
     <div class="panel panel-default">
-      <div class="panel-heading">Slides</div>
+      <div class="panel-heading" data-toggle="tooltip" title="Drag and drop to reorder slides">Slides</div>
       <div class="panel-body">
-        <table class="table table-condensed table-striped">
+        <table class="table table-condensed table-striped" id="slides">
+         <tbody>
           {% for pres in session.filtered_slides %}
-            <tr>
+            <tr data-order="{{pres.order}}" data-url="{% url 'ietf.meeting.views.set_slide_order' session_id=session.pk num=session.meeting.number name=pres.document.name %}">
               {% if pres.rev %}
                 {% url 'doc_view' name=pres.document.name rev=pres.rev as url %}
               {% else %}
@@ -90,6 +97,7 @@
               {% endif %}
             </tr>
           {% endfor %}
+         </tbody>
         </table>
         {% if can_manage_materials %}
           <a class="btn btn-default pull-right" href="{% url 'ietf.meeting.views.upload_session_slides' session_id=session.pk num=session.meeting.number %}">Upload New Slides</a>
@@ -124,3 +132,54 @@
   {% endfor %}
 
 {% endblock %}
+
+{# TODO don't rely on secr/js version of jquery-ui #}
+{# Sorting based loosely on the original secr upload sorting and on http://www.avtex.com/blog/2015/01/27/drag-and-drop-sorting-of-table-rows-in-priority-order/ #}
+{% block js %}
+{% if can_manage_materials %}
+  <script type="text/javascript" src="{% static 'jquery/jquery.min.js' %}"></script>
+  <script type="text/javascript" src="{% static 'secr/js/jquery-ui-1.11.4.custom.min.js' %}"></script>
+  <script type="text/javascript" src="{% static 'jquery.cookie/jquery.cookie.js' %}"></script>
+
+  <script type="text/javascript">
+
+    $.ajaxSetup({
+      crossDomain: false, 
+      beforeSend: function(xhr, settings) {
+        if (!csrfSafeMethod(settings.type)) {
+            xhr.setRequestHeader("X-CSRFToken", $.cookie('csrftoken'));
+        }
+      }
+    });
+
+    $(document).ready(function() {
+      var rowWidthHelper = function (e, tr) {
+        var $originals = tr.children();
+        var $helper = tr.clone();
+        $helper.children().each(function(index)
+        {
+          $(this).width($originals.eq(index).width())
+        });
+        return $helper;
+      };
+
+      $("#slides tbody").sortable({
+        helper: rowWidthHelper,
+        stop: function(event,ui) {adjustDatabase("#slides")}
+      }).disableSelection();
+    });
+
+    function adjustDatabase(tableID) {
+      $(tableID + " tr").each(function() {
+        count = $(this).parent().children().index($(this)) + 1;
+        old_order = $(this).attr("data-order");
+        if ( count != old_order ) {
+          $(this).attr("data-order", count);
+          $.post($(this).attr("data-url"),{'order':count});
+        }
+      });
+    }
+  </script>
+
+{% endif %}
+{% endblock %}