jQuery validation - IP address

/* 
 ValidIpAddressRegex = "^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])$";
 ValidHostnameRegex = "^(([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9\-]*[a-zA-Z0-9])\.)*([A-Za-z0-9]|[A-Za-z0-9][A-Za-z0-9\-]*[A-Za-z0-9])$";
*/
$.validator.addMethod('ipChecking', function(value) {
 //var ip = "^(?:(?:25[0-5]2[0-4][0-9][01]?[0-9][0-9]?)\.){3}" +"(?:25[0-5]2[0-4][0-9][01]?[0-9][0-9]?)$";
 validIpAddressRegex = "^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])$";
 ipCheckFlag = true;
 ipLists = value.split(',');
 for(ip=0; ip<ipLists.length; ip++){
  if(!ipLists[ip].trim().match(validIpAddressRegex)){
   ipCheckFlag = false;
  }
 }
 return ipCheckFlag;  
});