var page_submitted = false;

function emailCheck (emailStr) {

	var checkTLD=0;
	var knownDomsPat=/^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum)$/;
	var emailPat=/^(.+)@(.+)$/;
	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];

	for (i=0; i<user.length; i++) {
		if (user.charCodeAt(i)>127) {
			alert("Ths username contains invalid characters.");
			return false;
		}
	}
	
	for (i=0; i<domain.length; i++) {
		if (domain.charCodeAt(i)>127) {
			alert("Ths domain name contains invalid characters.");
			return false;
		}
	}

	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 atomPat=new RegExp("^" + atom + "$");
	var domArr=domain.split(".");
	var len=domArr.length;
	for (i=0;i<len;i++) {
		if (domArr[i].search(atomPat)==-1) {
			alert("The domain name does not seem to be valid.");
			return false;
		}
	}

	if (checkTLD && domArr[domArr.length-1].length!=2 && 
		domArr[domArr.length-1].search(knownDomsPat)==-1) {
		alert("The address must end in a well-known domain or two letter " + "country.");
		return false;
	}

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

function docheck(f,name){
	if (window.RegExp) {
		var reg = new RegExp("[0-9A-Za-z]+","g");
		if (!reg.test(f.value)) {
			alert(name+" should not be empty!");
			f.focus();
			return(false);
  		}else return(true);
	}
}

function pcode1check(f){
	if (window.RegExp) {
		var reg = new RegExp("^[a-ceghj-npr-tvxy]\\d[a-z]$","i");
		if (!reg.test(f.value)) {
			alert("Your postal code is not entered correctly.");
			f.focus();
			return(false);
  		}else return(true);
	}
}
function pcode2check(f){
	if (window.RegExp) {
		var reg = new RegExp("\\d[a-z]\\d$","i");
		if (!reg.test(f.value)) {
			alert("Your postal code is not entered correctly.");
			f.focus();
			return(false);
  		}else return(true);
	}
}
function phone1check(f){
	if (window.RegExp) {
		var reg = new RegExp("^\\d{3}$","g");
		if (!reg.test(f.value)) {
			alert("Your phone number is not entered correctly.");
			f.focus();
			return(false);
  		}else return(true);
	}
}
function phone2check(f){
	if (window.RegExp) {
		var reg = new RegExp("^\\d{4}$","g");
		if (!reg.test(f.value)) {
			alert("Your phone number is not entered correctly.");
			f.focus();
			return(false);
  		}else return(true);
	}
}
function checkselect(f,name){
	if (f.value == '*') {
		alert(name+" should not be empty!");
		f.focus();
		return(false);
  	}else return(true);
}

function checkdata(f){
	if (page_submitted){
		alert('This page has already been submitted!');
		return(false);
	}
	if (!docheck(f.FirstName,'First Name')) return(false);
	
	if (!docheck(f.LastName,'Last Name')) return(false);
	
	if (!emailCheck(f.Email.value)){f.Email.focus(); return(false);}
	
	if (!phone1check(f.phone1)) return(false);
	if (!phone1check(f.phone2)) return(false);
	if (!phone2check(f.phone3)) return(false);
	
	f.ContactPhone.value = f.phone1.value+'-'+f.phone2.value+'-'+f.phone3.value;
	f.Fax.value = f.fax1.value+'-'+f.fax2.value+'-'+f.fax3.value;
	if (f.Fax.value == '--') f.Fax.value = '';
	
	if (!docheck(f.MailingAddress,'Address')) return(false);

	if (!docheck(f.City,'City')) return(false);
	
	if (!checkselect(f.Province,'Province')) return(false);
	
	if (!pcode1check(f.pcode1)) return(false);
	if (!pcode2check(f.pcode2)) return(false);
	f.PostalCode.value = f.pcode1.value+' '+f.pcode2.value;
	
	page_submitted=true;
	f.submit();
}


function movefocus(f,fsize,next){
	if (f.value.length == fsize)
		eval('document.register.'+next+'.focus()');
}

function makeUpper(f){
	f.value=f.value.toUpperCase();
}

function checkBooth(f){
	if (page_submitted){
		alert('This page has already been submitted!');
		return(false);
	}
	
	if ((f.pcode1.value != '')||(f.pcode2.value !='')){
		if (!pcode1check(f.pcode1)) return(false);
		if (!pcode2check(f.pcode2)) return(false);
		f.PostalCode.value = f.pcode1.value+' '+f.pcode2.value;
	}
	
	if (f.Email.value != ''){
		if (!emailCheck(f.Email.value)){
			f.Email.focus();
			return(false);
		}
	}
	
	if ((f.phone1.value != '')||(f.phone2.value != '')||(f.phone3.value != '')){
		if (!phone1check(f.phone1)) return(false);
		if (!phone1check(f.phone2)) return(false);
		if (!phone2check(f.phone3)) return(false);
		f.Phone.value = f.phone1.value+'-'+f.phone2.value+'-'+f.phone3.value;
	}
	
	if ((f.fax1.value != '')||(f.fax2.value != '')||(f.fax3.value != '')){
		if (!phone1check(f.fax1)) return(false);
		if (!phone1check(f.fax2)) return(false);
		if (!phone2check(f.fax3)) return(false);
		f.Fax.value = f.fax1.value+'-'+f.fax2.value+'-'+f.fax3.value;
	}
	
	page_submitted=true;
	f.submit();
}