diff --git a/htdocs/core/class/html.form.class.php b/htdocs/core/class/html.form.class.php
index 318f472fbda..62ff8295995 100644
--- a/htdocs/core/class/html.form.class.php
+++ b/htdocs/core/class/html.form.class.php
@@ -1335,9 +1335,10 @@ class Form
      *	@param  string	$htmlname       Name of HTML Select
      *  @param	string	$filtertype     Filter on product type (''=nofilter, 0=product, 1=service)
      *	@param  string	$filtre			For a SQL filter
+     *	@param	array	$ajaxoptions	Options for ajax_autocompleter
      *	@return	void
      */
-    function select_produits_fournisseurs($socid,$selected='',$htmlname='productid',$filtertype='',$filtre='')
+    function select_produits_fournisseurs($socid, $selected='', $htmlname='productid', $filtertype='', $filtre='', $ajaxoptions=array())
     {
         global $langs,$conf;
         global $price_level, $status, $finished;
@@ -1345,7 +1346,8 @@ class Form
         if ($conf->global->PRODUIT_USE_SEARCH_TO_SELECT)
         {
             // mode=2 means suppliers products
-            print ajax_autocompleter('', $htmlname, DOL_URL_ROOT.'/product/ajax/products.php', ($socid > 0?'socid='.$socid.'&':'').'htmlname='.$htmlname.'&outjson=1&price_level='.$price_level.'&type='.$filtertype.'&mode=2&status='.$status.'&finished='.$finished, $conf->global->PRODUIT_USE_SEARCH_TO_SELECT);
+            $urloption=($socid > 0?'socid='.$socid.'&':'').'htmlname='.$htmlname.'&outjson=1&price_level='.$price_level.'&type='.$filtertype.'&mode=2&status='.$status.'&finished='.$finished;
+            print ajax_autocompleter('', $htmlname, DOL_URL_ROOT.'/product/ajax/products.php', $urloption, $conf->global->PRODUIT_USE_SEARCH_TO_SELECT, 0, $ajaxoptions);
             print $langs->trans("RefOrLabel").' : <input type="text" size="16" name="search_'.$htmlname.'" id="search_'.$htmlname.'">';
             print '<br>';
         }
@@ -1486,10 +1488,7 @@ class Form
                 // "key" value of json key array is used by jQuery automatically as selected value
                 // "label" value of json key array is used by jQuery automatically as text for combo box
                 $outselect.=$opt;
-                // FIXME don't select with autocomplete
-                if (! empty($objp->idprodfournprice)) {
-                	array_push($outjson,array('key'=>$outkey,'value'=>$outref,'label'=>$outval));
-                }
+                array_push($outjson, array('key'=>$outkey, 'value'=>$outref, 'label'=>$outval, 'disabled'=>(empty($objp->idprodfournprice)?true:false)));
 
                 $i++;
             }
diff --git a/htdocs/core/lib/ajax.lib.php b/htdocs/core/lib/ajax.lib.php
index 6c5b88ae9c4..cb42f03bfb9 100644
--- a/htdocs/core/lib/ajax.lib.php
+++ b/htdocs/core/lib/ajax.lib.php
@@ -30,48 +30,63 @@
  *  @param	string	$selected           Preselecte value
  *	@param	string	$htmlname           HTML name of input field
  *	@param	string	$url                Url for request: /chemin/fichier.php
- *  @param	string	$option				More parameters on URL request
+ *  @param	string	$urloption			More parameters on URL request
  *  @param	int		$minLength			Minimum number of chars to trigger that Ajax search
  *  @param	int		$autoselect			Automatic selection if just one value
+ *  @param	array	$ajaxoptions		Multiple options array
  *	@return string              		Script
  */
-function ajax_autocompleter($selected,$htmlname,$url,$option='',$minLength=2,$autoselect=0)
+function ajax_autocompleter($selected, $htmlname, $url, $urloption='', $minLength=2, $autoselect=0, $ajaxoptions=array())
 {
     if (empty($minLength)) $minLength=1;
 
 	$script = '<input type="hidden" name="'.$htmlname.'" id="'.$htmlname.'" value="'.$selected.'" />';
 
 	$script.= '<script type="text/javascript">';
-	$script.= 'jQuery(document).ready(function() {
+	$script.= '$(document).ready(function() {
 					var autoselect = '.$autoselect.';
-					jQuery("input#search_'.$htmlname.'").blur(function() {
+					var options = '.json_encode($ajaxoptions).';
+					$("input#search_'.$htmlname.'").blur(function() {
     					//console.log(this.value.length);
 					    if (this.value.length == 0)
 					    {
-                            jQuery("#search_'.$htmlname.'").val("");
-                            jQuery("#'.$htmlname.'").val("").trigger("change");
+                            $("#search_'.$htmlname.'").val("");
+                            $("#'.$htmlname.'").val("").trigger("change");
+                            if (options.disabled) {
+    							$("#" + options.disabled).removeAttr("disabled");
+    						}
 					    }
                     });
-    				jQuery("input#search_'.$htmlname.'").autocomplete({
+    				$("input#search_'.$htmlname.'").autocomplete({
     					source: function( request, response ) {
-    						jQuery.get("'.$url.($option?'?'.$option:'').'", { '.$htmlname.': request.term }, function(data){
+    						$.get("'.$url.($urloption?'?'.$urloption:'').'", { '.$htmlname.': request.term }, function(data){
 								response( jQuery.map( data, function( item ) {
 									if (autoselect == 1 && data.length == 1) {
-										jQuery("#search_'.$htmlname.'").val(item.value);
-										jQuery("#'.$htmlname.'").val(item.key).trigger("change");
+										$("#search_'.$htmlname.'").val(item.value);
+										$("#'.$htmlname.'").val(item.key).trigger("change");
 									}
 									var label = item.label.toString();
-									return { label: label, value: item.value, id: item.key}
+									return { label: label, value: item.value, id: item.key, disabled: item.disabled }
 								}));
 							}, "json");
 						},
 						dataType: "json",
     					minLength: '.$minLength.',
     					select: function( event, ui ) {
-    						jQuery("#'.$htmlname.'").val(ui.item.id).trigger("change");
+    						$("#'.$htmlname.'").val(ui.item.id).trigger("change");
+    						if (options.disabled) {
+    							if (ui.item.disabled) {
+    								$("#" + options.disabled).attr("disabled", "disabled");
+    								if (options.error) {
+    									$.jnotify(options.error, "error", true);
+    								}
+    							} else {
+    								$("#" + options.disabled).removeAttr("disabled");
+    							}
+    						}
     					}
 					}).data( "autocomplete" )._renderItem = function( ul, item ) {
-						return jQuery( "<li></li>" )
+						return $( "<li></li>" )
 						.data( "item.autocomplete", item )
 						.append( \'<a href="#"><span class="tag">\' + item.label + "</span></a>" )
 						.appendTo(ul);
diff --git a/htdocs/fourn/commande/fiche.php b/htdocs/fourn/commande/fiche.php
index 7a6b15fb512..92d5105cd48 100644
--- a/htdocs/fourn/commande/fiche.php
+++ b/htdocs/fourn/commande/fiche.php
@@ -1530,7 +1530,8 @@ if ($id > 0 || ! empty($ref))
                 print '<tr '.$bc[$var].'>';
                 print '<td colspan="3">';
 
-                $form->select_produits_fournisseurs($object->fourn_id,'','idprodfournprice');
+                $ajaxoptions=array('disabled' => 'addPredefinedProductButton', 'error' => $langs->trans("NoPriceDefinedForThisSupplier"));
+                $form->select_produits_fournisseurs($object->fourn_id, '', 'idprodfournprice', '', '', $ajaxoptions);
 
                 if (empty($conf->global->PRODUIT_USE_SEARCH_TO_SELECT)) print '<br>';
 
@@ -1548,7 +1549,7 @@ if ($id > 0 || ! empty($ref))
                 print '</td>';
                 print '<td align="right"><input type="text" size="2" name="pqty" value="'.(GETPOST('pqty')?GETPOST('pqty'):'1').'"></td>';
                 print '<td align="right" nowrap="nowrap"><input type="text" size="1" name="p_remise_percent" value="'.(GETPOST('p_remise_percent')?GETPOST('p_remise_percent'):$soc->remise_client).'">%</td>';
-                print '<td align="center" colspan="4"><input type="submit" class="button" value="'.$langs->trans('Add').'"></td>';
+                print '<td align="center" colspan="4"><input type="submit" id="addPredefinedProductButton" class="button" value="'.$langs->trans('Add').'"></td>';
                 print '</tr>';
 
                 print '</form>';