<!--
function validator(z) {

var fields  = new Array(); 
var x, y;

x = document.getElementById(z);


for(y = 0 ; y  < x.length; y++) {
    fields.push(x.elements[y].name);
	
}

for ( i=1 ; i< x.length; i++ ) {

 if ( isEmpty( x.elements[fields[i]] ) ){ 
 
	alert("O campo {" + fields[i] + "} deve ser preenchido!")
    x.elements[fields[i]].focus();
	return false ;
	} 

}

return true;

}  // End of VALIDATOR FUNCTION


// test if the user insert a valida value


function checkemail(x){
var mail = document.getElementById(x);
var filter=new RegExp(/^[A-Za-z0-9_\-\.]+@[A-Za-z0-9_\-\.]{2,}\.[A-Za-z0-9]{2,}(\.[A-Za-z0-9])?/);
var result;
if (filter.test(mail.value)) {
result =  true;
 } else {
alert("Por favor,  entre com um email válido!");
mail.value = "";
mail.focus();
result = false;
}
return result
}
//*************************************************************


function phoneValidator(tel){
    exp = /\d{4}\-\d{4}/
    if(!exp.test(tel.value)){
        //alert('Numero de Telefone Invalido!');
		confirm('Insira  um telefone no formato: XXXX-XXXX\nExemplo: 8888-8888');
		tel.value = "";
		}
}
function dddValidator(ddd){
exp = /\d{3}/ 
 if(!exp.test(ddd.value)){
        alert('Número de DDD precisa conter 3 dígitos!');
		//alert('Insira  um DDD no formato: XXX');
		ddd.value = "";
		}
}

function emailCheck (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=1;

/* 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)$/;

/* 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. */

alert("Email inválido (verifique @ e .'s)");
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) {
alert("O nome do usuário do email contęm caracteres inválidos!");
return false;
   }
}
for (i=0; i<domain.length; i++) {
if (domain.charCodeAt(i)>127) {
alert("O nome do domínio do email contęm caracteres inválidos!");
return false;
   }
}

// See if "user" is valid 

if (user.match(userPat)==null) {

// user is not valid

alert("O nome do usuário do email parece ser inválido!");
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) {
alert("O número do IP parece ser inválido!");
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) {
alert("O domínio do seu EMAIL parace ser inválido!");
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) {
alert("O domínio do seu EMAIL parace ser inválido!");
return false;
}

// Make sure there's a host name preceding the domain.

if (len<2) {
alert("O domínio do seu EMAIL parace ser inválido!");
return false;
}

// If we've gotten this far, everything's valid!
return true;
}


function Trim(obj) {
	while(''+obj.value.charAt(0)==' ')
		obj.value=obj.value.substring(1,obj.value.length)
	while(''+obj.value.charAt(obj.value.length-1)==' ')
		obj.value=obj.value.substring(0,obj.value.length-1)
}

function isEmpty(obj) {
	Trim(obj)
	return ((obj.value=='')||(obj.selectedIndex==0))
}

function isNull(obj) {
	Trim(obj)
	return ((obj.value=='')||(obj.value==0))
}

function isNumber(obj) {
	return ((!isNaN(obj.value)))
}
	
function check(obj,msg) {
	if(isEmpty(obj)) { 
		obj.focus();
		alert(msg);
		return false
	}
	return true
}
// -->