/* 

*******************************************************************************************************************
This script is Copyright © 2002 Owain Williams, All Rights Reserved
You are prohibited by international law from disassembling this script or re-using 
any part of this script or associated components without first contacting the author 
and obtaining written permission to do so.

*******************************************************************************************************************

*/

window.status='';

function validateEmail(emailAddresstoCheck) {

	var sTLD = "";
	
	if (emailAddresstoCheck.indexOf('.') !=-1) {
		var emailAddressComponents = emailAddresstoCheck.replace(/^\s+|\s+$/g, '').split(".");
		sTLD = emailAddressComponents[emailAddressComponents.length-1];
	}
	
	var reTLDList = /^(AC|AD|AE|AERO|AF|AG|AI|AL|AM|AN|AO|AQ|AR|ARPA|AS|ASIA|AT|AU|AW|AX|AZ|BA|BB|BD|BE|BF|BG|BH|BI|BIZ|BJ|BM|BN|BO|BR|BS|BT|BV|BW|BY|BZ|CA|CAT|CC|CD|CF|CG|CH|CI|CK|CL|CM|CN|CO|COM|COOP|CR|CU|CV|CX|CY|CZ|DE|DJ|DK|DM|DO|DZ|EC|EDU|EE|EG|ER|ES|ET|EU|FI|FJ|FK|FM|FO|FR|GA|GB|GD|GE|GF|GG|GH|GI|GL|GM|GN|GOV|GP|GQ|GR|GS|GT|GU|GW|GY|HK|HM|HN|HR|HT|HU|ID|IE|IL|IM|IN|INFO|INT|IO|IQ|IR|IS|IT|JE|JM|JO|JOBS|JP|KE|KG|KH|KI|KM|KN|KP|KR|KW|KY|KZ|LA|LB|LC|LI|LK|LR|LS|LT|LU|LV|LY|MA|MC|MD|ME|MG|MH|MIL|MK|ML|MM|MN|MO|MOBI|MP|MQ|MR|MS|MT|MU|MUSEUM|MV|MW|MX|MY|MZ|NA|NAME|NC|NE|NET|NF|NG|NI|NL|NO|NP|NR|NU|NZ|OM|ORG|PA|PE|PF|PG|PH|PK|PL|PM|PN|PR|PRO|PS|PT|PW|PY|QA|RE|RO|RS|RU|RW|SA|SB|SC|SD|SE|SG|SH|SI|SJ|SK|SL|SM|SN|SO|SR|ST|SU|SV|SY|SZ|TC|TD|TEL|TF|TG|TH|TJ|TK|TL|TM|TN|TO|TP|TR|TRAVEL|TT|TV|TW|TZ|UA|UG|UK|US|UY|UZ|VA|VC|VE|VG|VI|VN|VU|WF|WS|XN|XXX|YE|YT|ZA|ZM|ZW)$/i;

       if (emailAddresstoCheck == null || emailAddresstoCheck.length==0) {

           alert("\nPlease provide an email address.");

       } else {

           var emailRE = /^([\w'-]+(?:\.[\w'-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,255})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i

           if (! emailRE.test(emailAddresstoCheck)) {

		alert("\nPlease check the format of your email address; it does not appear to be valid.\n");
               
           } else if (!sTLD.match(reTLDList))

		alert("\nPlease check the suffix of your email address (.com, .net etc.); it may be invalid.\n");           
           
       }
       
}