<!--
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|pt|com.pt|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 address seems incorrect (check @ and .'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("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;
   }
}

// See if "user" is valid 

if (user.match(userPat)==null) {

// user is not valid

//alert("The username doesn't seem to be valid.");
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("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) {
//alert("The domain name does not seem to be valid.");
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("The address must end in a well-known domain or two letter " + "country.");
return false;
}

// Make sure there's a host name preceding the domain.

if (len<2) {
//alert("This address is missing a hostname!");
return false;
}

// If we've gotten this far, everything's valid!
return true;
}

/**************************************************************/
function valf()
{
err="true";
/*******************validação de formulários*******************/
/*************com frames*************************************/
var i,j
cf=document.frames.length
for(i=0;i<cf;i++)
{
 ctff=document.frames.item(i).document.forms.length

 for(k=0;k<ctff;k++)
 {

	fname=document.frames.item(i).document.forms.item(k)

     cfo=fname.length
	for(j=0;j<cfo;j++)
	{
		cht=fname.item(j).title
		if(cht=="Obrigatório")
		{
		cform=fname.item(j)
		var cht=cform.type
		cht=cht.toUpperCase();
		if(cht=="INPUT")
			{
			if(cform.value=="") 
				{
				 err="false"
				 au=eval(cform.name+"1")
				 document.au.style.color=="red"  
				}//if
			else
				{
				au=eval(document.frames.item(i).name+"1")
				au.style.color=="black"  
				au=cform.name
				auv=cform.value
			/***********inserir novos valores dos frames*********************/
frm.insertAdjacentHTML("BeforeEnd","  <input type=hidden name='"+au+"' value='"+auv+"'>")
			/***********inserir novos valores dos frames*********************/
				}//else 
			}//if input
		  else
			{
			if(cform.value=="false" || cform.value=="novo") 
				{
				err="false"
				au=eval(document.frames.item(i).name+"1")
				au.style.color="red"  
				}//if
			else
				{
				au=eval(document.frames.item(i).name+"1")
				au.style.color="black"  
				au=cform.name
				auv=cform.value
        /***********inserir novos valores dos frames*********************/
frm.insertAdjacentHTML("BeforeEnd","  <input type=hidden name='"+au+"' value='"+auv+"'>")
        /***********inserir novos valores dos frames*********************/
				}//else
  			}//select	
        }//obrigatorio
else
{
				//alert(document.frames.item(i).name)
     if(document.frames.item(i).name!="ignorar")
     {            
                cform=fname.item(j)				
				au=cform.name
				auv=cform.value
        /***********inserir novos valores dos frames*********************/
frm.insertAdjacentHTML("BeforeEnd","  <input type=hidden name='"+au+"' value='"+auv+"'>")
        /***********inserir novos valores dos frames*********************/
       }//ignorar valores do frame da class ignorar 

}//não obrigatório

    }//j
   }//k
  }//i 
/***************validação normal do formulário*********************/
fname=document.forms.item(0)
ctf=fname.length
for(i=0;i<ctf;i++)
{
 cht=fname.item(i).title
   if(cht=="Obrigatório")
    {
      var cht=fname.item(i).type
      cht=cht.toUpperCase();
      if(cht=="TEXT" || cht=="FILE" || cht=="TEXTAREA")
      {
       if(fname.item(i).value=="") 
         {
          err="false"
          au=eval(fname.item(i).name+"1")
          au.style.color="red"  
         }//if
         else 
         {
          au=eval(fname.item(i).name+"1")
          au.style.color="black"  
         }
       }//input
      else if(cht=="SELECT")
	   {
		 if(fname.item(i).value=="false" || fname.item(i).value=="novo") 
         {
          err=false
          au=eval(fname.item(i).name+i)
          fname.au.style.color="red"  
         }//if
        else 
         {
          au=eval(fname.item(i).name+"1")
          au.style.color="black"  
         }
        }//select
       }//obrigatório
 }//i
if(err=="false")
{ 
window.scroll(0,0)
msg.innerHTML="<b><font color='#FF0000' size=3>Alguns valores especificados são inválidos e encontram-se assinalados a vemelho.</font></b>"
/***********remover novos valores dos frames*********************/
 x=frm.length
for(i=0;i<x;i++)
{
tp=frm.item(i).type
if(tp=="hidden")
{
frm.item(i).name=""
frm.item(i).value=""
}
}
/***************************************************************************/
return(false)   
}
else return(true)
}//funcao
/**************************************************************/

/**************************************************************/
tr=""
/**************************************************************/
/**************************************************************/
function val()
{
err=0
fobj=eval(document.forms.item(0))
nome=fobj.name
if(nome="frmk") fobj=eval(document.forms.item(1))
fnum=fobj.length
for(i=0;i<fnum;i++)
{
if(fobj.item(i).value=="" && fobj.item(i).title=="Obrigatório")
{
camp=eval("t"+fobj.item(i).name)
camp.style.color="red"
err=1
}
else if(fobj.item(i).value!="" && fobj.item(i).title=="Obrigatório") 
{
camp=eval("t"+fobj.item(i).name)
camp.style.color=""
}
}

if(err==1) return(false)
else return(true)
}

/**************************************************************/

//-->