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"){

app/assets/stylesheets/message.css

@@ -11,3 +11,7 @@
 .warning{
   color:orange;
   }
+label#dyn_error {
+	
+	margin-left: 50%;
+}

app/views/admin/assets/file_upload.html.erb

@@ -9,6 +9,7 @@
     <div class="modal-header">
         <h3><%= t 'admin.file_upload' %></h3>
     </div>
+    <label class="control-label error" id="dyn_error"></label>
     <div class="modal-body form-horizontal">
         <div class="control-group">
             <label for="title" class="control-label error"><%= t 'admin.title' %></label>