function check_email(cadena){var answer=false;var filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/;if(filter.test(cadena)){answer=true;}
return answer;}
function email_intext(cadena){var answer=false;var emailsArray=cadena.match(/([a-zA-Z0-9._-]+@[a-zA-Z0-9._-]+\.[a-zA-Z0-9._-]+)/gi);if(emailsArray)
answer=true;return answer;}