diff --git a/ui/new/index.jsp b/ui/new/index.jsp
index fe8dc8bfcd4..dc3da54b459 100644
--- a/ui/new/index.jsp
+++ b/ui/new/index.jsp
@@ -578,7 +578,7 @@ long milliseconds = new Date().getTime();
 	</div>
 	
 	<!-- Dialogs 2 -->
-	<div id="dialog_info_please_select_one_item_in_middle_menu" title="Info" style="display:none">
+	<div id="dialog_info_please_select_one_item_in_middle_menu" title="Alert" style="display:none">
 	    <p>
 	        <%=t.t("please.select.at.least.one.item.in.middle.menu")%>
 	    </p>
diff --git a/ui/new/scripts/cloud.core2.instance.js b/ui/new/scripts/cloud.core2.instance.js
index b0abfa99ee7..b577a6b04f9 100644
--- a/ui/new/scripts/cloud.core2.instance.js
+++ b/ui/new/scripts/cloud.core2.instance.js
@@ -932,11 +932,7 @@ function doChangeService($t, selectedItemsInMidMenu, vmListAPIMap) {
     }
    
     var apiText;
-    if(itemCounts == 0) {
-        $("#dialog_info_please_select_one_item_in_middle_menu").dialog("open");		
-        return;
-    }
-    else if(itemCounts == 1){
+    if(itemCounts == 1){
         var firstItemId;
         for(var id in selectedItemsInMidMenu) {
             firstItemId = id;
diff --git a/ui/new/scripts/cloud.core2.js b/ui/new/scripts/cloud.core2.js
index 9400417286c..28480ca29dc 100644
--- a/ui/new/scripts/cloud.core2.js
+++ b/ui/new/scripts/cloud.core2.js
@@ -205,6 +205,16 @@ function buildActionLinkForMidMenu(label, actionMap, $actionMenu, listAPIMap) {
     $link.data("dialogBeforeActionFn", apiInfo.dialogBeforeActionFn);
     $link.bind("click", function(event) {	
         $actionMenu.hide();    	 
+                
+        var itemCounts = 0;
+        for(var id in selectedItemsInMidMenu) {
+            itemCounts ++;
+        }
+        if(itemCounts == 0) {
+            $("#dialog_info_please_select_one_item_in_middle_menu").dialog("open");		
+            return;
+        }        
+        
         var $actionLink = $(this);   
         var dialogBeforeActionFn = $actionLink.data("dialogBeforeActionFn"); 
         if(dialogBeforeActionFn == null) {