// check login fields
function checkLogin() {
	if (document.frmLogin.usr.value.length == 0) {
	  alert('Por favor escreva o username.');
	  document.frmLogin.usr.focus();
	  return false;
	}
	if (document.frmLogin.pwd.value.length == 0) {
	  alert('Por favor escreva a password.');
	  document.frmLogin.pwd.focus();
	  return false;
	}
}

// newsletter e-mail cleaner
function clearText() {
	if (document.frmNewsletter.email.value == 'o seu e-mail aqui') {
		document.frmNewsletter.email.value = '';
		return false;
	}

	if (document.frmNewsletter.email.value == '') {
		document.frmNewsletter.email.value = 'o seu e-mail aqui';
		return false;
	}
}

// check newsletter email
function checkMail() {
	if (document.frmNewsletter.email.value.length == 0) {
	  alert('Por favor escreva um e-mail válido.');
	  document.frmNewsletter.email.focus();
	  return false;
	}
	if (document.frmNewsletter.email.value == 'o seu e-mail') {
	  alert('Por favor escreva um e-mail válido.');
	  document.frmNewsletter.email.focus();
	  return false;
	}

	document.forms["frmNewsletter"].submit();
}

function  addFavoritos(url, title) {
	if (window.sidebar) { // Mozilla Firefox Bookmark
		window.sidebar.addPanel(title, url,"");
	} else if( window.external ) { // IE Favorite
		window.external.AddFavorite( url, title); }
	else if(window.opera && window.print) { // Opera Hotlist
		return true; }
 }