diff --git a/ChangeLog b/ChangeLog
index c07a2d37bff..9c6ec9126b4 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -22,6 +22,10 @@ Fix: [ bug #1451 ] Interrupted order clone through trigger, loads nonexistent or
 Fix: [ bug #1454 ] Mention de bas de page erroné
 Fix: Do not display dictionnay for non activated module 
 Fix: Link element from element project pages
+Fix: [ bug #1349 ] AJAX contact selector does not work fine in Project card
+Fix: [ bug #1452 ] variable used but not defined
+Fix: If multiprice level is used the VAT on addline is not correct
+Fix: [ bug #1254 ] Error when using "Enter" on qty input box of a product (on supplier order part)
 
 ***** ChangeLog for 3.5.3 compared to 3.5.2 *****
 Fix: Error on field accountancy code for export profile of invoices.
diff --git a/htdocs/comm/propal.php b/htdocs/comm/propal.php
index a4d984951cd..ddec39d90d2 100644
--- a/htdocs/comm/propal.php
+++ b/htdocs/comm/propal.php
@@ -738,6 +738,8 @@ else if (($action == 'addline' || $action == 'addline_predef') && $user->rights-
 					$pu_ttc = $prod->multiprices_ttc[$object->client->price_level];
 					$price_min = $prod->multiprices_min[$object->client->price_level];
 					$price_base_type = $prod->multiprices_base_type[$object->client->price_level];
+					$tva_tx=$prod->multiprices_tva_tx[$object->client->price_level];
+					$tva_npr ==$prod->multiprices_recuperableonly[$object->client->price_level];
 				}
 				else
 				{
diff --git a/htdocs/commande/fiche.php b/htdocs/commande/fiche.php
index 6630477d740..12d62904dd8 100644
--- a/htdocs/commande/fiche.php
+++ b/htdocs/commande/fiche.php
@@ -686,6 +686,8 @@ else if ($action == 'addline' && $user->rights->commande->creer)
 					$pu_ttc = $prod->multiprices_ttc[$object->client->price_level];
 					$price_min = $prod->multiprices_min[$object->client->price_level];
 					$price_base_type = $prod->multiprices_base_type[$object->client->price_level];
+					$tva_tx=$prod->multiprices_tva_tx[$object->client->price_level];
+					$tva_npr ==$prod->multiprices_recuperableonly[$object->client->price_level];
 				}
 				else
 				{
diff --git a/htdocs/compta/facture.php b/htdocs/compta/facture.php
index d685f9ad1ed..4f00678b514 100644
--- a/htdocs/compta/facture.php
+++ b/htdocs/compta/facture.php
@@ -1259,6 +1259,8 @@ else if (($action == 'addline' || $action == 'addline_predef') && $user->rights-
 					$pu_ttc = $prod->multiprices_ttc[$object->client->price_level];
 					$price_min = $prod->multiprices_min[$object->client->price_level];
 					$price_base_type = $prod->multiprices_base_type[$object->client->price_level];
+					$tva_tx=$prod->multiprices_tva_tx[$object->client->price_level];
+					$tva_npr ==$prod->multiprices_recuperableonly[$object->client->price_level];
 				}
 				else
 				{
diff --git a/htdocs/core/js/lib_head.js b/htdocs/core/js/lib_head.js
index cfb2977c370..9221843d575 100644
--- a/htdocs/core/js/lib_head.js
+++ b/htdocs/core/js/lib_head.js
@@ -808,6 +808,7 @@ function confirmConstantAction(action, url, code, input, box, entity, yesButton,
             var input = this.input = $( "<input>" )
                 .insertAfter( select )
                 .val( value )
+                .attr('id', 'inputautocomplete'+select.attr('id'))
                 .autocomplete({
                     delay: 0,
                     minLength: this.options.minLengthToAutocomplete,
diff --git a/htdocs/core/lib/ajax.lib.php b/htdocs/core/lib/ajax.lib.php
index f111551cc51..e24d12dbc52 100644
--- a/htdocs/core/lib/ajax.lib.php
+++ b/htdocs/core/lib/ajax.lib.php
@@ -358,6 +358,13 @@ function ajax_combobox($htmlname, $event=array(), $minLengthToAutocomplete=0)
 							}
 						});
 						$("select#" + htmlname).html(response.value);
+						if (response.num) {
+							var selecthtml_str = response.value;
+							var selecthtml_dom=$.parseHTML(selecthtml_str);
+							$("#inputautocomplete"+htmlname).val(selecthtml_dom[0][0].innerHTML);
+						} else {
+							$("#inputautocomplete"+htmlname).val("");
+						}
 					});
 		}
 	});';
diff --git a/htdocs/fourn/commande/fiche.php b/htdocs/fourn/commande/fiche.php
index 5f3ef882fcf..287c2ed1c83 100644
--- a/htdocs/fourn/commande/fiche.php
+++ b/htdocs/fourn/commande/fiche.php
@@ -1731,6 +1731,30 @@ elseif (! empty($object->id))
 		// TODO Use the predefinedproductline_create.tpl.php file
 
 		// Add free products/services form
+		
+		//Fix Bug [ bug #1254 ] Error when using "Enter" on qty input box of a product
+		//this Fix Will be obsolete in 3.6 because 3.6 get one form to do every things
+		if (! empty($conf->use_javascript_ajax)) {
+			print '<script type="text/javascript">
+            	jQuery(document).ready(function() {
+					
+					$("#qty").bind("keypress", {}, keypressInBox);
+					$("#remise_percent").bind("keypress", {}, keypressInBox);
+					$("#pu").bind("keypress", {}, keypressInBox);
+					
+				});
+				
+				function keypressInBox(e) {
+				    var code = (e.keyCode ? e.keyCode : e.which);
+				    if (code == 13) { //Enter keycode                        
+				        e.preventDefault();
+				
+				       $(\'#addFreeProductButton\').click();
+				    }
+				};
+            </script>';
+		}
+		
 		$var=true;
 		print '<tr '.$bc[$var].'>';
 		print '<td>';
@@ -1755,22 +1779,40 @@ elseif (! empty($object->id))
 		print '<td align="center">';
 		print $form->load_tva('tva_tx',(GETPOST('tva_tx')?GETPOST('tva_tx'):-1),$object->thirdparty,$mysoc);
 		print '</td>';
-		print '<td align="right"><input type="text" name="pu" size="5" value="'.GETPOST('pu').'"></td>';
-		print '<td align="right"><input type="text" name="qty" value="'.(GETPOST('qty')?GETPOST('qty'):'1').'" size="2"></td>';
-		print '<td align="right" class="nowrap"><input type="text" name="remise_percent" size="1" value="'.(GETPOST('remise_percent')?GETPOST('remise_percent'):$object->thirdparty->remise_percent).'"><span class="hideonsmartphone">%</span></td>';
-		print '<td align="center" colspan="4"><input type="submit" class="button" value="'.$langs->trans('Add').'" name="addline_libre"></td>';
+		print '<td align="right"><input type="text" id="pu" name="pu" size="5" value="'.GETPOST('pu').'"></td>';
+		print '<td align="right"><input type="text" id="qty" name="qty" value="'.(GETPOST('qty')?GETPOST('qty'):'1').'" size="2"></td>';
+		print '<td align="right" class="nowrap"><input type="text" id="remise_percent" name="remise_percent" size="1" value="'.(GETPOST('remise_percent')?GETPOST('remise_percent'):$object->thirdparty->remise_percent).'"><span class="hideonsmartphone">%</span></td>';
+		print '<td align="center" colspan="4"><input type="submit" class="button" value="'.$langs->trans('Add').'" name="addline_libre" id="addFreeProductButton"></td>';
 		print '</tr>';
 
 		// Ajout de produits/services predefinis
 		if (! empty($conf->product->enabled) || ! empty($conf->service->enabled))
 		{
-			print '<script type="text/javascript">
-            	jQuery(document).ready(function() {
-            		jQuery(\'#idprodfournprice\').change(function() {
-            			if (jQuery(\'#idprodfournprice\').val() > 0) jQuery(\'#np_desc\').focus();
-            		});
-            	});
-            </script>';
+			
+			if (! empty($conf->use_javascript_ajax)) {
+				print '<script type="text/javascript">
+	            	jQuery(document).ready(function() {
+	            		jQuery(\'#idprodfournprice\').change(function() {
+	            			if (jQuery(\'#idprodfournprice\').val() > 0) jQuery(\'#np_desc\').focus();
+	            		});
+						
+						//Fix Bug [ bug #1254 ] Error when using "Enter" on qty input box of a product
+						//this Fix Will be obsolete in 3.6 because 3.6 get one form to do every things
+						$("#qty_predef").bind("keypress", {}, keypressInBox);
+						$("#remise_percent_predef").bind("keypress", {}, keypressInBox);
+						
+					});
+					
+					function keypressInBox(e) {
+					    var code = (e.keyCode ? e.keyCode : e.which);
+					    if (code == 13) { //Enter keycode                        
+					        e.preventDefault();
+					
+					       $(\'#addPredefinedProductButton\').click();
+					    }
+					};
+	            </script>';
+			}
 
 			print '<tr class="liste_titre">';
 			print '<td colspan="3">';
diff --git a/htdocs/fourn/facture/fiche.php b/htdocs/fourn/facture/fiche.php
index af06e4b0bbc..62022c7e5e4 100644
--- a/htdocs/fourn/facture/fiche.php
+++ b/htdocs/fourn/facture/fiche.php
@@ -1167,7 +1167,7 @@ if ($action == 'create')
     print '</td></tr>';
 
     // Ref supplier
-    print '<tr><td class="fieldrequired">'.$langs->trans('RefSupplier').'</td><td><input name="ref_supplier" value="'.(isset($_POST['ref_supplier'])?$_POST['ref_supplier']:$fac_ori->ref).'" type="text"></td>';
+    print '<tr><td class="fieldrequired">'.$langs->trans('RefSupplier').'</td><td><input name="ref_supplier" value="'.(isset($_POST['ref_supplier'])?$_POST['ref_supplier']:'').'" type="text"></td>';
     print '</tr>';
 
     print '<tr><td valign="top" class="fieldrequired">'.$langs->trans('Type').'</td><td colspan="2">';
@@ -1254,7 +1254,7 @@ if ($action == 'create')
     print '</td></tr>';
 
     // Label
-    print '<tr><td>'.$langs->trans('Label').'</td><td><input size="30" name="libelle" value="'.(isset($_POST['libelle'])?$_POST['libelle']:$fac_ori->libelle).'" type="text"></td></tr>';
+    print '<tr><td>'.$langs->trans('Label').'</td><td><input size="30" name="libelle" value="'.(isset($_POST['libelle'])?$_POST['libelle']:'').'" type="text"></td></tr>';
 
     // Date invoice
     print '<tr><td class="fieldrequired">'.$langs->trans('DateInvoice').'</td><td>';