function doRandom(){
rnd = Math.round(Math.random() * (6-1) + 1);
if (rnd==1){document.foto.src="../foto/header001.jpg"};
if (rnd==2){document.foto.src="../foto/header002.jpg"};
if (rnd==3){document.foto.src="../foto/header003.jpg"};
if (rnd==4){document.foto.src="../foto/header004.jpg"};
if (rnd==5){document.foto.src="../foto/header005.jpg"};
if (rnd==6){document.foto.src="../foto/header006.jpg"};
}
function postal() {
if ((window.navigator.appName == "Netscape") && (navigator.appVersion.indexOf('4.') == 0)){
Postal_Postcard = window.open('/postais/postal.php','Postal_Postcard','toolbar=no,location=no,directories=no,status=yes,menubar=no,scrollbars=yes,resizable=yes,width=710,height=610')
}
else {
Postal_Postcard = window.open('/postais/postal.php','Postal_Postcard','toolbar=no,location=no,directories=no,status=yes,menubar=no,scrollbars=yes,resizable=yes,width=470,height=575')
}
}
function checkTxt(form) {
if (form.message.value=='' || form.name.value=='' || form.subject.value=='') {
alert("Todos os campos são de preenchimento obrigatório.\n\nAll fields must be filled.");
if (form.name.value=='') {form.name.focus();form.name.select();}
else
if (form.subject.value=='') {form.subject.focus();form.subject.select();}
else
if (form.message.value=='') {form.message.focus();form.message.select();}
return false;
}
return true;
}
function checkMail(form) {
var field = form.email;
var str = field.value;
var reg1 = /(@.*@)|(\.\.)|(@\.)|(\.@)|(^\.)/;
var reg2 = /^.+\@(\[?)[a-zA-Z0-9\-\.]+\.([a-zA-Z]{2,3}|[0-9]{1,3})(\]?)$/;
if (!reg1.test(str) && reg2.test(str)) {return true;}
alert("E-Mail inválido.\n\nInvalid E-Mail.");
field.focus();
field.select();
return false;
}
function valida(msg) {
if (checkTxt(msg) && checkMail(msg))
{return true;}
return false;
}
function checkEMail(form) {
var field = form.emailperson;
var str = field.value;
var reg1 = /(@.*@)|(\.\.)|(@\.)|(\.@)|(^\.)/;
var reg2 = /^.+\@(\[?)[a-zA-Z0-9\-\.]+\.([a-zA-Z]{2,3}|[0-9]{1,3})(\]?)$/;
if (!reg1.test(str) && reg2.test(str)) {return true;}
alert("E-Mail inválido.\n\nInvalid E-Mail.");
field.focus();
field.select();
return false;
}

function checkCampos(form) {
if (form.person.value=='' || form.emailperson.value=='' || form.company.value=='' || form.tel.value=='') {
alert("Os campos Nome, E-Mail, Empresa e Telefones são de preenchimento obrigatório.\n\nFields 'Name', 'E-Mail', 'Company' and 'Telephones' must be filled.");
if (form.person.value=='') {form.person.focus();form.person.select();}
else
if (form.emailperson.value=='') {form.emailperson.focus();form.emailperson.select();}
else
if (form.company.value=='') {form.company.focus();form.company.select();}
else
if (form.tel.value=='') {form.tel.focus();form.tel.select();}
return false;
}
return true;
}
function validaOrc(msg) {
if (checkCampos(msg) && checkEMail(msg))
{return true;}
return false;
}