//<SCRIPT language="JavaScript">

	
	// -------------------------------------------------------------------------
	function TestaInputText(campo) {
	
		var teste = false;
		var mensagem = '';
		var Obj = document.registo.elements[campo];
		if ( Obj.value != '' ) 
		{	teste = true;			}
		return teste;
	}

	// -------------------------------------------------------------------------
	function TestaSelectFixed(campo, valor) {
	
		var teste = false;
		var mensagem = '';
		var Obj = document.registo.elements[campo];
//		alert('--'+Obj.value+'--');
		if ( Obj.value != '' ) 
		{	if ( Obj.value != valor )
			{	teste = true;			}
		}
		return teste;
	}

	// -------------------------------------------------------------------------
	function TestaRadioBox(campo) {
	
		var teste = false;
	
//alert( 'campo = ' + campo + '   total = '+ total);
		var objecto = document.registo.elements[campo];
//alert( 'camp = ' + campo + 'onb = ' + objecto[1].name + '  ' + objecto[1].value);
		var jmax = objecto.length;
		for ( j = 0; j < jmax; j++) {
			if ( objecto[j].checked == true ) {
				teste = true;
				break;
			}
		}
		
		return teste;
	}

	// -------------------------------------------------------------------------
	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 +")*$")

//		alert("mail = "+emailStr);
		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]

		// 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
		var domainArray=domain.match(domainPat)
		if (domainArray==null) {
			alert("The domain name doesn't seem to be valid.")
			return false
		}

		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("The address must end in a three-letter domain, or two letter country.")
			return false
		}

		// Make sure there's a host name preceding the domain.
		if (len<2) {
			var errStr="This address is missing a hostname!"
			alert(errStr)
			return false
		}

		// If we've gotten this far, everything's valid!
		return true;
}

	// -------------------------------------------------------------------------
	function compor_mensagem(mensagem_ini, Lista)  {

	var teste;
 	var message = mensagem_ini;
	
	var imax = Lista.length;
	for ( i = 0; i < imax; i++) {
		var campo = 'dados['+Lista[i][0]+']';
		switch ( Lista[i][1] ) {

			case 't' : // text
				teste = TestaInputText(campo);
				if ( teste == false ) 
				{	message = message + '- ' + Lista[i][2] + '\r\n';		}
				break;

			case 'r' : // radio
				teste = TestaRadioBox(campo);
				if ( teste == false ) 
				{	message = message + '- ' + Lista[i][2] + '\r\n';		}
				break;

			case 'sf' : // text with fixed value
				teste = TestaSelectFixed(campo, Lista[i][3]);
				if ( teste == false ) 
				{	message = message + '- ' + Lista[i][2] + '\r\n';		}
				break;

			case 'e' : // email
				teste = emailCheck(document.registo.elements[campo].value);
				if ( teste == false ) 
				{	message = message + '- ' + Lista[i][2] + '\r\n';		}
				break;
		}
		
	}

	return message;
}

  // ---------------------------------------------------------------------------
  function verify(mensagem_ini) {

	var mensagem = mensagem_ini + "\r\n \r\n";
	
  var ANomes = new Array();
	var i = -1;
	i++; ANomes[i] = Array('email',  		'e',	'E-mail');

	var themessage = compor_mensagem(mensagem, ANomes);
	if ( VerificaConta() )
	{	if ( themessage == mensagem )
		{	//VerificaCaracteres();
			document.registo.submit(); 		}
		else
		{	alert(themessage); 
	    	return false ;      }
	} else {
		return false;		}

	return true;
} 


  // ---------------------------------------------------------------------------
  function VerificaConta() {

  	  var Val1 = 10 - document.registo.elements['value1'].value;
  	  var Val2 = 10 - document.registo.elements['value2'].value;

  	  valor = Val1 + Val2;
  	  val = document.registo.elements['dados[code]'].value;

  	  if (valor != val )
  	  {	alert('Wrong code. Try again'); 
	    	return false ;      }

	return true;
} 

//</SCRIPT>