HI ilya ,

Thank you for your reply.

My jsp page:

<%@ taglib prefix="f" uri="http://java.sun.com/jsf/core"%>

<%@ taglib prefix="h" uri="http://java.sun.com/jsf/html"%>

<%@ taglib prefix="c" uri="http://java.sun.com/jstl/core"%>

<%@ taglib uri="http://richfaces.org/a4j" prefix="a4j"%>

<%@ taglib uri="http://richfaces.org/rich" prefix="rich"%>

<rich:modalPanel id="info_name_editmodal" moveable="false" resizeable="false"

width="950" height="450" showWhenRendered="false" style="overflow-y: scroll">

<f:facet name="header">

<h:outputText value="Edit Customer Info" styleClass="modalPanel12"/>

</f:facet>

<f:facet name="controls">

<h:panelGroup>

<h:outputLabel value="Press Esc to close"></h:outputLabel>

<h:outputLabel value="(OR)"></h:outputLabel> 

<h:graphicImage value="../_assets/image/close.png" id="hidelinkeditinfonric"

styleClass="hidelink" style="border:0" alt="Close" title="Close"/>

<rich:componentControl for="info_name_editmodal" attachTo="hidelinkeditinfonric"

operation="hide" event="onclick"/> 

</h:panelGroup>

</f:facet>

<a4j:form id="editnameForm">

<rich:messages style="color:red;"></rich:messages>

<rich:hotKey key="esc" selector="#editnameForm"   

         handler="#{rich:element('editnameForm:cancelButtonId')}.click();event.stopPropagation();event.preventDefault(); return false;"

          disableInInput="false"/>

<table class="font_exist" width="950" height="50%" border="0" cellpadding="0" cellspacing="0">

  <tr>

    <td>

    <a4j:region selfRendered="true">

<a4j:include id="commonPageView"  viewId="/existingcustomer/postpaid/header_common_modal.jsp"></a4j:include>

</a4j:region>

    </td>

  </tr>

  <tr>

    <td>

    <table width="958" border="0">

      <tr>

        <td width="122"><h:outputText styleClass="ashcolor-bold-normaltext" value="#{msg['existingcustomer.postpaid.modelpanel.currname']}"/></td>

        <td width="540"><h:outputText styleClass="ashcolor-bold-normaltext" id="editpostpaidNameFields" value="#{customerInfoBean.name}"/></td>

        <td width="282"> </td>

      </tr>

              <tr>

            <td width="122">          

            <h:outputText  value="*" styleClass="mandatory_text" />

            <h:outputText styleClass="ashcolor-bold-normaltext" value="#{msg['existingcustomer.postpaid.modelpanel.newname']}"/>            

            </td>

            <td width="540"> 

           <a4j:region>                    

                <h:panelGrid columns="9" border="0">

<h:outputText  value="*" styleClass="mandatory_text" />

<h:outputText value="#{msg.keyword}"/>

<h:outputText value=":" />                   

                <h:inputText id="keywordField" size="28" label="Name" immediate="true"

                required="true" requiredMessage="#{msg.requiredField}">                

                <a4j:support  event="onblur"

     limitToList="true" reRender="p_keywordField,ekeywordField"/>              

    </h:inputText>

    <a4j:outputPanel id="p_keywordField"  ajaxRendered="true">

<h:message id="ekeywordField"  for="keywordField" styleClass="fieldError"/>

</a4j:outputPanel>  

</h:panelGrid>  

</a4j:region>         

              </td>

        </tr>

      <tr>

        <td height="18"><h:outputText styleClass="ashcolor-bold-normaltext" id="notesField" value="#{msg.notes}"/>

        <h:outputText styleClass="ashcolor-bold-normaltext" value="#{msg.semiColon}"/></td>

        <td>       

        <h:inputTextarea  id="nameNotesField" cols="50" rows="5" value="#{editCustomerInfoBean.nameNotes}"></h:inputTextarea>      

        </td>

        <td> </td>

        </tr>

    </table></td>

  </tr>

  <tr>

    <td> </td>

  </tr>

</table>

<rich:message showSummary="true" showDetail="false" for="keywordField" />

<h:panelGrid columns="6">

<a4j:commandButton reRender="panelName,p_nameField,e_nameField"  limitToList="true"

     id="saveButtonId" styleClass="celcocm01" value="#{msg.save}" type="submit"

     oncomplete="if(#{facesContext.maximumSeverity==null})#{rich:component('info_name_editmodal')}.hide();"/>

<a4j:commandButton limitToList="true"  reRender="nameinputField,p_nameField,nameNotesField"

     type="submit" id="resetButtonId" styleClass="celcocm01" value="#{msg.reset}"

     oncomplete="if(#{facesContext.maximumSeverity==null})#{rich:component('info_name_editmodal')}.hide();"/>

<a4j:commandButton limitToList="true" reRender="nameinputField,p_nameField,nameNotesField"

     type="submit" id="cancelButtonId" styleClass="celcocm01" value="#{msg.cancel}"

     oncomplete="if(#{facesContext.maximumSeverity==null})#{rich:component('info_name_editmodal')}.hide();"/>

</h:panelGrid>

</a4j:form>

</rich:modalPanel>

It is still not displaying the error message in the screen???

How to work on with Client side?Still i am waiting for this problem.

Thanks