<!-- Hide the script for older browsers


function ValidateEmailForm (form){

//Check that the sender's name has been entered
if (form.fromName.value == "")
  { alert("Preencha o seu nome e apelido."); form.fromName.focus(); return false; }

//Check that the source email address is correct
if (!(emailCheck(form["fromAddress"].value))) {
  form["fromAddress"].focus();
  return false;
}


  return true;
}

//-----The Email check script used in to return a truw or flase value in the above script

function emailCheck (emailStr) {

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 +")*$")


/* 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("Endere\u00e7o de E-mail est\u00e1 errado.")
	return false
}
var user=matchArray[1]
var domain=matchArray[2]

// See if "user" is valid 
if (user.match(userPat)==null) {
    // user is not valid
    alert("O nome do utilizador est\u00e1 errado.")
    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("Endere\u00e7o IP est\u00e1 errado.")
		return false
	    }
    }
    return true
}

// Domain is symbolic name
var domainArray=domain.match(domainPat)
if (domainArray==null) {
	alert("O dom\u00ednio est\u00e1 errado.")
    return false
}

/* domain name seems valid, but now make sure that it ends in a
   three-letter word (like com, edu, gov) or a two-letter word,
   representing country (uk, nl), and that there's a hostname preceding 
   the domain or country. */

/* Now we need to break up the domain to get a count of how many atoms
   it consists of. */
var atomPat=new RegExp(atom,"g")
var domArr=domain.match(atomPat)
var len=domArr.length
if (domArr[domArr.length-1].length<2 || 
    domArr[domArr.length-1].length>3) {
   // the address must end in a two letter or three letter word.
   alert("O endere\u00e7o deve ter o dom\u00ednio de tr\u00eas letras ou dois letras (c\u00f3digo de pa\u00eds)")
   return false
}

// Make sure there's a host name preceding the domain.
if (len<2) {
   var errStr="Falta preencher o nome de host."
   alert(errStr)
   return false
}

// return a true value
return true;
}

//end hide for older browsers -->