diff --git a/addons/procurement/procurement_view.xml b/addons/procurement/procurement_view.xml
index d6548f58bce..1671124b7fe 100644
--- a/addons/procurement/procurement_view.xml
+++ b/addons/procurement/procurement_view.xml
@@ -88,16 +88,16 @@
         </record>
         
 <!-- 
-        TODO-JKE
-
 		<record id="do_view_pickings" model="ir.actions.act_window">
             <field name="name">Pickings for Groups  </field>
-            <field name="res_model">stock.move</field>
+            <field name="res_model">stock.picking</field>
             <field name="view_type">form</field>
             <field name="view_mode">tree,form</field>
 			<field name="domain">[('group_id','=',active_id)]</field>			
         </record>
---> 
+        <button name="%(do_view_pickings)d" string="View all procurements" type="action" />
+-->
+ 
                 
  		<record id="procurement_group_form_view" model="ir.ui.view">
             <field name="name">procurement.group.form</field>
@@ -107,7 +107,6 @@
                     <sheet>
 						<div class="oe_right oe_button_box">
 							<button name="%(do_view_procurements)d" string="View all procurements" type="action" />
-														                            
             			</div>
                         <group>
                             <field name="name"/>
diff --git a/addons/purchase/purchase.py b/addons/purchase/purchase.py
index 5a969154cc7..bc12ca0fa06 100644
--- a/addons/purchase/purchase.py
+++ b/addons/purchase/purchase.py
@@ -832,6 +832,7 @@ class purchase_order(osv.osv):
          @return: new purchase order id
 
         """
+                
         #TOFIX: merged order line should be unlink
         def make_key(br, fields):
             list_key = []
@@ -854,14 +855,15 @@ class purchase_order(osv.osv):
             context = {}
 
         # Compute what the new orders should contain
-
         new_orders = {}
 
+        order_lines_to_move = []
         for porder in [order for order in self.browse(cr, uid, ids, context=context) if order.state == 'draft']:
             order_key = make_key(porder, ('partner_id', 'location_id', 'pricelist_id'))
             new_order = new_orders.setdefault(order_key, ({}, []))
             new_order[1].append(porder.id)
             order_infos = new_order[0]
+                        
             if not order_infos:
                 order_infos.update({
                     'origin': porder.origin,
@@ -884,22 +886,9 @@ class purchase_order(osv.osv):
                 if porder.origin:
                     order_infos['origin'] = (order_infos['origin'] or '') + ' ' + porder.origin
 
+            
             for order_line in porder.order_line:
-                line_key = make_key(order_line, ('name', 'date_planned', 'taxes_id', 'price_unit', 'product_id', 'move_dest_id', 'account_analytic_id'))
-                o_line = order_infos['order_line'].setdefault(line_key, {})
-                if o_line:
-                    # merge the line with an existing line
-                    o_line['product_qty'] += order_line.product_qty * order_line.product_uom.factor / o_line['uom_factor']
-                else:
-                    # append a new "standalone" line
-                    for field in ('product_qty', 'product_uom'):
-                        field_val = getattr(order_line, field)
-                        if isinstance(field_val, browse_record):
-                            field_val = field_val.id
-                        o_line[field] = field_val
-                    o_line['uom_factor'] = order_line.product_uom and order_line.product_uom.factor or 1.0
-
-
+                order_lines_to_move += [order_line.id]
 
         allorders = []
         orders_info = {}
@@ -913,7 +902,7 @@ class purchase_order(osv.osv):
             for key, value in order_data['order_line'].iteritems():
                 del value['uom_factor']
                 value.update(dict(key))
-            order_data['order_line'] = [(0, 0, value) for value in order_data['order_line'].itervalues()]
+            order_data['order_line'] = [(6, 0, order_lines_to_move)]
 
             # create the new order
             context.update({'mail_create_nolog': True})
@@ -926,6 +915,7 @@ class purchase_order(osv.osv):
             for old_id in old_ids:
                 self.redirect_workflow(cr, uid, [(old_id, neworder_id)])
                 self.signal_purchase_cancel(cr, uid, [old_id]) # TODO Is it necessary to interleave the calls?
+        
         return orders_info
 
 
diff --git a/addons/purchase/wizard/purchase_order_group.py b/addons/purchase/wizard/purchase_order_group.py
index 243f27efea4..70a6b3240ab 100644
--- a/addons/purchase/wizard/purchase_order_group.py
+++ b/addons/purchase/wizard/purchase_order_group.py
@@ -66,12 +66,7 @@ class purchase_order_group(osv.osv_memory):
         id = mod_obj.read(cr, uid, result, ['res_id'])
 
         allorders = order_obj.do_merge(cr, uid, context.get('active_ids',[]), context)
-        for new_order in allorders:
-            proc_ids = proc_obj.search(cr, uid, [('purchase_id', 'in', allorders[new_order])], context=context)
-            for proc in proc_obj.browse(cr, uid, proc_ids, context=context):
-                if proc.purchase_id:
-                    proc_obj.write(cr, uid, [proc.id], {'purchase_id': new_order}, context)
-
+    
         return {
             'domain': "[('id','in', [" + ','.join(map(str, allorders.keys())) + "])]",
             'name': _('Purchase Orders'),
diff --git a/addons/stock_picking_wave/__openerp__.py b/addons/stock_picking_wave/__openerp__.py
index f787c3eb979..15de1fe308d 100644
--- a/addons/stock_picking_wave/__openerp__.py
+++ b/addons/stock_picking_wave/__openerp__.py
@@ -33,9 +33,10 @@ This module adds the picking wave option in warehouse management.
     'data': ['security/ir.model.access.csv',
             'stock_picking_wave_view.xml',
             'stock_picking_wave_sequence.xml',
-            'wizard/picking_to_wave_view.xml'],
+            'wizard/picking_to_wave_view.xml',            
+            ],
     'demo': [
-             'stock_picking_wave_data.xml',
+            'stock_picking_wave_demo.xml',
              ],
     
     'installable': True,