function country_check (country)
{
		window.location.href="?country=" + country; 
	
}
function isEmpty(s)
{  
	 return ((s == null) || (s.length == 0))
}
function validator() 
{	
	var formdata = new Array();
	formdata[0] = document.userform.theufirst.value;
	formdata[1] = document.userform.theulast.value;
	formdata[2] = document.userform.theunick.value;
	formdata[3] = document.userform.theupass.value;
	formdata[4] = document.userform.thevupass.value;
	formdata[5] = document.userform.theuemail.value;
	formdata[6] = document.userform.theuaddy.value;
	formdata[7] = document.userform.theucity.value;
	formdata[8] = document.userform.theustate.value;
	formdata[9] = document.userform.theuzip.value;
	formdata[10] = document.userform.month.value;
	formdata[11] = document.userform.day.value;
	formdata[12] = document.userform.year.value;
	
	var errormess = new Array();
	errormess[0] = "Your first name. \n";
	errormess[1] = "Your last name. \n";
	errormess[2] = "Your User name. \n";
	errormess[3] = "Your password. \n";
	errormess[4] = "Your password verification. \n";
	errormess[5] = "Your email address. \n"
	errormess[6] = "Your Address. \n"
	errormess[7] = "Your city. \n";
	errormess[8] = "Your state. \n";
	errormess[9] = "Your zip code. \n";
	errormess[10] = "Your birth month. \n";
	errormess[11] = "Your birth day. \n";
	errormess[12] = "Your birth year. \n";
	
	var message="The following fields are required: \n";
	var charmess="";
	var i;
	charfin="";
	for(i=0; i<formdata.length ; i++)
	{
		if(i!=6)
		{
			if (isEmpty(formdata[i]))
			{
				message = message + errormess[i];
				var errors=1;
			}
		}
		if (i!=5)
		{
			charkeep=badcheck(formdata[i],i);
			if(!isEmpty(charkeep))
			{
			charfin = charfin + charkeep;
			var errors=1;
			}
		}
	}
	if (emailCheck(formdata[5]) && isEmpty(errors))
	{
		if(formdata[3]==formdata[4])
		{
		return true;
		}
		else
		{
		alert("Your passwords do not match.");
		return false;
		}
	}
	else 
	{	
		if (mailmess || charfin)
		{
		var finerr = "\n Please correct the following: \n";
		}
		else
		{
		finerr = "";
		}
		
		if (isEmpty(formdata[5]))
		{
			alert(message + finerr + charfin);
		}
		else
		{
			if (message=="The following fields are required: \n")
			{
				alert(finerr + mailmess + charfin);
			}
			else
			{
				alert(message + finerr + mailmess + charfin);
			}
		}
		return false;
	}
}

function badcheck(inv, point)
{	
	var formnames = new Array();
	formnames[0] = "first name";
	formnames[1] = "last name";
	formnames[2] = "username";
	formnames[3] = "password";
	formnames[4] = "password verification";
	formnames[5] = "email address";
	formnames[6] = "street address";
	formnames[7] = "city";
	formnames[8] = "state";
	formnames[9] = "zipcode";
	formnames[10] = "month of birth";
	formnames[11] = "day of birth";
	formnames[12] = "year of birth";
	
	var badchars= new Array("/","$","<",">","\\","%","&","(",")");
	var g;
	var h;
	
	for (g=0; g<inv.length; g++)
	{
		con=inv.charAt(g);
		for (h=0;h<badchars.length;h++)
		{	
			if (isEmpty(charmess))
			{
			var charmess="";
			}
			if(con==badchars[h])
			{
			charmess = charmess + "Your "+formnames[point]+" contains invalid characters. \n";
			return charmess;
			}
		}
	}
	
}



function emailCheck (emailStr) {
if(emailStr!="")
{
/* The following variable tells the rest of the function whether or not
to verify that the address ends in a two-letter country or well-known
TLD.  1 means check it, 0 means don't. */

var checkTLD=0;

/* The following is the list of known TLDs that an e-mail address must end with. */

var knownDomsPat=/^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum|de)$/;

/* The following pattern is used to check if the entered e-mail address
fits the user@domain format.  It also is used to separate the username
from the domain. */

var emailPat=/^(.+)@(.+)$/;

/* The following string represents the pattern for matching all special
characters.  We don't want to allow special characters in the address. 
These characters include ( ) < > @ , ; : \ " . [ ] */

var specialChars="\\(\\)><@,;:\\\\\\\"\\.\\[\\]";

/* The following string represents the range of characters allowed in a 
username or domainname.  It really states which chars aren't allowed.*/

var validChars="\[^\\s" + specialChars + "\]";

/* The following pattern applies if the "user" is a quoted string (in
which case, there are no rules about which characters are allowed
and which aren't; anything goes).  E.g. "jiminy cricket"@disney.com
is a legal e-mail address. */

var quotedUser="(\"[^\"]*\")";

/* The following pattern applies for domains that are IP addresses,
rather than symbolic names.  E.g. joe@[123.124.233.4] is a legal
e-mail address. NOTE: The square brackets are required. */

var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;

/* The following string represents an atom (basically a series of non-special characters.) */

var atom=validChars + '+';

/* The following string represents one word in the typical username.
For example, in john.doe@somewhere.com, john and doe are words.
Basically, a word is either an atom or quoted string. */

var word="(" + atom + "|" + quotedUser + ")";

// The following pattern describes the structure of the user

var userPat=new RegExp("^" + word + "(\\." + word + ")*$");

/* The following pattern describes the structure of a normal symbolic
domain, as opposed to ipDomainPat, shown above. */

var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");

/* Finally, let's start trying to figure out if the supplied address is valid. */

/* Begin with the coarse pattern to simply break up user@domain into
different pieces that are easy to analyze. */

var matchArray=emailStr.match(emailPat);

if (matchArray==null) {

/* Too many/few @'s or something; basically, this address doesn't
even fit the general mould of a valid e-mail address. */

mailmess = "Your email address seems incorrect. \n";
return false;
}
var user=matchArray[1];
var domain=matchArray[2];

// Start by checking that only basic ASCII characters are in the strings (0-127).

for (i=0; i<user.length; i++) {
if (user.charCodeAt(i)>127) {
mailmess ="Your email username contains invalid characters. \n";
return false;
   }
}
for (i=0; i<domain.length; i++) {
if (domain.charCodeAt(i)>127) {
mailmess ="Your email domain name contains invalid characters. \n";
return false;
   }
}

// See if "user" is valid 

if (user.match(userPat)==null) {

// user is not valid

mailmess ="Your email username doesn't seem to be valid. \n";
return false;
}

/* if the e-mail address is at an IP address (as opposed to a symbolic
host name) make sure the IP address is valid. */

var IPArray=domain.match(ipDomainPat);
if (IPArray!=null) {

// this is an IP address

for (var i=1;i<=4;i++) {
if (IPArray[i]>255) {
mailmess ="Destination IP address is invalid!";
return false;
   }
}
return true;
}

// Domain is symbolic name.  Check if it's valid.
 
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) {
mailmess ="Your email domain name does not seem to be valid. \n";
return false;
   }
}

/* domain name seems valid, but now make sure that it ends in a
known top-level domain (like com, edu, gov) or a two-letter word,
representing country (uk, nl), and that there's a hostname preceding 
the domain or country. */

if (checkTLD && domArr[domArr.length-1].length!=2 && 
domArr[domArr.length-1].search(knownDomsPat)==-1) {
mailmess ="The address must end in a well-known domain or two letter " + "country. \n";
return false;
}

// Make sure there's a host name preceding the domain.

if (len<2) {
mailmess ="Your address is missing a hostname! \n";
return false;
}

// If we've gotten this far, everything's valid!
mailmess="";
return true;
}
else
{
mailmess="";
return false;
}
}