// $Id: check_email_script.js,v 1.1.2.2 2007/03/19 07:01:10 max Exp $

function checkEmailAddress(field, empty_err) {
	var err = false;
	var res, x;

	if (!field)
		return true;

	if (field.value.length == 0) {
		if (empty_err != 'Y')
			return true;
		else
			err = true;
	}

	var emails = field.value.split(',');
	for(var z = 0; z < emails.length; z++) {
		var arrEmail = emails[z].replace(/^\s+/, '').replace(/\s+$/, '').split('@');

		if (arrEmail.length != 2 || arrEmail[0].length < 1)
			err = true;
		if (!err) {
			if (arrEmail[0].length > 2)
				res = arrEmail[0].search(/^[-\w][-!#\$%&'*+.\/\d\.\w]+[-\w]$/gi);
			else
				res = arrEmail[0].search(/^[-\w]+$/gi);
			if (res == -1)
				err = true;
		}
		if (!err) {
			var arr2Email = arrEmail[1].split('.');
			if (arr2Email.length < 2)
				err = true;
		}
		if (!err) {
			var domenTail = arr2Email[arr2Email.length-1];
			var _arr2Email = new Array();
			for (x = 0; x < arr2Email.length-1; x++)
				_arr2Email[x] = arr2Email[x];
			arr2Email = _arr2Email;
			var domen = arr2Email.join('.');
			res = domen.search(/^[-!#\$%&*+\\\/=?\.\w^`{|}~]+$/gi);
			if (res == -1)
				err = true;
			res = domenTail.search(/^[a-zA-Z]+$/gi);
			if (res == -1 || domenTail.length < 2 || domenTail.length > 6)
				err = true;
		}
	}

//	/^([-\w][-\.\w]*)?[-\w]@([-!#\$%&*+\\\/=?\w^`{|}~]+\.)+[a-zA-Z]{2,6}$/gi

	if (err) {
		alert(txt_email_invalid);
		field.focus();
		field.select();
	}
	return !err;
}