/* ---------------Newsletter signup widget validation JS ---------------------- */ 
$(function () {
 if ($('#ns-form')) {
  $('#ns-form').submit(function () {
   return checkSignUp();
  });
 }
});
 
function checkSignUp() {
 if ($('#ns-email').val() == 'Enter your email' || $('#ns-email').val() == '' ||  isValidEmailAddress($('#ns-email').val()) == false) {
   alert('Please check that all of your details are correct before continuing to sign up.');
   return false;
 }
 else {
  return true;
 }
} 
 
function isValidEmailAddress(emailAddress) {
 var pattern = new RegExp(/^(("[\w-\s]+")|([\w-]+(?:\.[\w-]+)*)|("[\w-\s]+")([\w-]+(?:\.[\w-]+)*))(@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$)|(@\[?((25[0-5]\.|2[0-4][0-9]\.|1[0-9]{2}\.|[0-9]{1,2}\.))((25[0-5]|2[0-4][0-9]|1[0-9]{2}|[0-9]{1,2})\.){2}(25[0-5]|2[0-4][0-9]|1[0-9]{2}|[0-9]{1,2})\]?$)/i);
 return pattern.test(emailAddress);
}