function submitForm(frm) {
    for(i=0; i < frm.elements.length; i++) {
        var item = frm.elements[i];
        if( ( item.type == "text" && item.value == "" ) ||
            ( frm["txtNome"].value == "Nome" || frm["txtEmail"].value == "E-mail" || frm["txtTelefone"].value == "Telefone" ) ) {
            alert("Preencha todos os campos para contato.");
            return false;
        }
    }
}

function openWindow(url, name)
{ var winWidth = 488;
  var winHeight = 548;
  var winTop = parseInt((screen.availHeight - winHeight) / 2);
  var winLeft = parseInt((screen.availWidth - winWidth) / 2);
                                 
  popupWin = window.open(url,name,"width=" + winWidth + ",height=" + winHeight + ",top=" + winTop + ",left=" + winLeft + ",resizable=no,scrollbars=no,statusbar=no");
  if (popupWin.opener == null) popupWin.opener = self;
}

function closeLegal(el) {
    el.parentNode.style.display = "none";
}

function showLegal(idElemento) {
    el = document.getElementById(idElemento).style.display = "block";
}