function emailCheck(email)
{
	var reg = /[^@]{1,64}@[^@]{1,255}/;
	if (!reg.test(email)) {return false;}
	
	var email_array = email.split('@');
	var local_array = email_array[0].split('.');
	reg = /^(([A-Za-z0-9!#$%&'*+/=?^_`{|}~-][A-Za-z0-9!#$%&'*+/=?^_`{|}~\.-]{0,63})|(\"[^(\\|\")]{0,62}\"))$/;

	for (var i = 0; i < local_array.length; i++) {if (!reg.test(local_array[i])) {return false;}}

	reg = /^\[?[0-9\.]+\]?$/;

	if (!reg.test(email_array[1]))
	{
		var domain_array = email_array[1].split('.');
		if (domain_array.length < 2) {return false;}

		reg = /^(([A-Za-z0-9][A-Za-z0-9-]{0,61}[A-Za-z0-9])|([A-Za-z0-9]+))$/;

		for (i = 0; i < domain_array.length; i++) {if (!reg.test(domain_array[i])) {return false;}}
	}

	return true;
}