"No Result Found" appear. JAVASRIPT

$(document).ready(function(){
$("#searchme").keyup(function(){

if( $(this).val() != "")
{$("#searchTbl tbody>tr").hide();

$("#searchTbl td:contains-ci('" + $(this).val() + "')").parent("tr").show()  ;} 
else{
$("#searchTbl tbody>tr").show();
$("#result").hide();
}});

I need to show "no results found" PLEASE HELP