/**
	 * Email validator
	 * from http://www.regular-expressions.info/email.html
	 *
	 * @param string email
	 *
	 * @return bool
	 */
	
	function validateMail(mail)
	{
		var pattern = /[a-z0-9!#$%&\'*+\/=?^_`{|}~-]+(?:\.[a-z0-9!#$%&\'*+\/=?^_`{|}~-]+)*@(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?/;
		return pattern.test(mail);
	}