[fix] on model form tags issue fixed..

bzr revid: tta@openerp.com-20121107113256-ac6znf9m5ibzoovl

addons/web/static/src/js/view_form.js

@@ -3920,6 +3920,8 @@ instance.web.form.FieldMany2ManyTags = instance.web.form.AbstractField.extend(in
         return this.get("value");
     },
     render_value: function() {
+        if (this.get("effective_readonly"))
+            return;
         var self = this;
         var dataset = new instance.web.DataSetStatic(this, this.field.relation, self.build_context());
         var values = self.get("value")