form validation again

app/assets/javascripts/ajax_form.js

@@ -26,14 +26,17 @@ $(document).on('click', '#ajax_form_submit', function(){
        beforeSubmit: function(){
         var sub = true;
           $("span.error").remove();
+          $("#dyn_error").empty();
           $("#ajaxForm input").each(function(){
             if($(this).val() == ""){
-              $("<span class='error'>Cannot be empty.</span>").insertAfter($(this));
+              $("<span class='error'> *</span>").insertAfter($(this));
               sub = false;
             }
           })
-          if(!sub)
+          if(!sub){
+          	$("#dyn_error").text("Cannot be empty.");
             return false;
+          }
        },
        success: function(response,status,xhr){     
        		if(typeof tinyMCEPopup != "undefined"){