function dispDataList(start,sortField,sort){
	showLoader(1);
   var friendName = $('friendName').value;
   var url  = "validation.php";
   var pars = "mode=searchResult&start="+start+"&sortField="+sortField+"&sort="+sort+"&friendName="+escape(friendName);
   var myAjax = new Ajax.Request(
    url,
    {
      method: 'post',
      parameters: pars,
      onComplete:showMessage
    });
}
function showMessage(originalRequest){
 var response = originalRequest.responseText;
 $('dispList').innerHTML = response;
 showLoader(0);
}