// JavaScript Document

function isEmail(strEmail){
                validRegExp = /^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i;
                if (strEmail.search(validRegExp) == -1) {
                  alert('Please insert a valid email!');
                  return false;
                }
                return true;
              }