// <?php !! This fools phpdocumentor into parsing this file
// $Id: emailcheck.js,v 1.1 2005/08/11 14:25:32 ÁKurusa Exp $
/****************************************************************
* EMAILCHECK - JS script to validate string as email or emails! *
*              Copyright (C) 2004 by Árpád Kurusa, Médiaweb     *
*              All rights reserved. http://www.mediaweb.hu      *
****************************************************************/

function moreEmailsCheck(emailsStr) {
	emailsStr=emailsStr.replace(/^\s+/g,'');
	emailsStr=emailsStr.replace(/\s+$/g,'');
	if (emailsStr.length==0) return false;
	var emails=emailsStr.split(',');
	for (i=0; i<emails.length; i++) {
		if (!emailCheck (emails[i])) {
//			alert("Email address"+String(i)+" seems incorrect (check @ and .'s)");
			return false;
		}
	}
	return true;
}

function emailCheck (emailStr) {
	emailStr=emailStr.replace(/^\s+/g,'');
	emailStr=emailStr.replace(/\s+$/g,'');
	var emailPat=/^(.+)@(.+)$/
	var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]";
	var validChars="\[^\\s" + specialChars + "\]";
	var quotedUser="(\"[^\"]*\")";
	var ipDomainPat='/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/';
	var atom=validChars + '+';
	var word="(" + atom + "|" + quotedUser + ")";
	var userPat=new RegExp("^" + word + "(\\." + word + ")*$");
	var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");

	var matchArray=emailStr.match(emailPat)
	if (matchArray==null) {
//		alert("Email address seems incorrect (check @ and .'s)");
		return false;
	}

	var user=matchArray[1];
	var domain=matchArray[2];
	if (user.match(userPat)==null) {
//		alert("The username doesn't seem to be valid.");
		return false;
	}

	var IPArray=domain.match(ipDomainPat);
	if (IPArray!=null) {
		for (var i=1;i<=4;i++) {
			if (IPArray[i]>255) {
//				alert("Destination IP address is invalid!");
				return false;
			}
		}
		return true;
	}

	var domainArray=domain.match(domainPat);
	if (domainArray==null) {
//		alert("The domain name doesn't seem to be valid.");
		return false;
	}

	var atomPat=new RegExp(atom,"g");
	var domArr=domain.match(atomPat);
	var len=domArr.length;
	if (domArr[domArr.length-1].length<2) {
//		alert("The address must end in a three-letter domain, or two letter country.");
		return false;
	}

	if (domArr[domArr.length-1].length>2 && !domArr[domArr.length-1].match(/\b(^((com)|(net)|(edu)|(mil)|(gov)|(org)|(aero)|(biz)|(coop)|(info)|(museum)|(name)|(pro)|(int))$)\b/gi)) {
		return false;
	}

	if (len<2) {
//		alert("This address is missing a hostname!");
		return false;
	}

	return true;
}