function verificaMail(email) {
	var campo = email;
	if (campo.indexOf("@")<1) {
		return false;
	}
	if (campo.charAt(campo.indexOf("@")-1) == ".") {
		return false;
	}
	if (campo.lastIndexOf(".")<=campo.indexOf("@")) {
		return false;
	}
	if (campo.lastIndexOf(".") == (campo.length-1)) {
		return false;
	}
	return true;
}
function valida() {
	sNome = document.getElementById('campoNome').value;
	sEmail = document.getElementById('campoEmail').value;
	sDepa = document.getElementById('campoDepa').value;
	sMsg = document.getElementById('campoMsg').value;
	
	if(sNome == '' || sEmail == '' || sDepa == '' || sMsg == ''){
		alert('Preencha todos os campos.');
	}else if(verificaMail(sEmail) == false){
		alert('Digite um e-mail válido.');
	}else{
		document.getElementById('formContato').submit();
	}
}

function mostraTexto(s) {
	document.getElementById('campoCompro').value = s;
}

function mostraOuSome(s){
	if(document.getElementById(s).style.display == "none"){
		document.getElementById(s).style.display = "block";
	} else {
		document.getElementById(s).style.display = "none";
	}
}

function itemBox(s){
	if(document.getElementById(s).style.display == "none"){
		document.getElementById('apaga').style.display = "block";
		document.getElementById(s).style.display = "block";
	} else {
		document.getElementById(s).style.display = "none";
	}
}

function showBox(s){
	document.getElementById(s).style.display = "block";
}

function someBox(s){
	document.getElementById(s).style.display = "none";
}

function trocaItemBox(s, div, txt, input){
	document.getElementById('apaga').style.display = "none";
	document.getElementById(div).style.display = "none";
	document.getElementById(txt).innerHTML = s;
	document.getElementById('campoDepa').value = s;
}
function abreGaleria(id) {
	var objLink = document.createElement('a');
	objLink.rel = 'lyteframe';
	objLink.href = 'galeria.php?idGal='+id;
	objLink.rev = 'width:650px;height:480px;scrolling:no;';
	myLytebox.start(objLink, false, true);
}
function abreVideo(id) {
	var objLink = document.createElement('a');
	objLink.rel = 'lyteframe';
	objLink.href = 'video_popup.php?id='+id;
	objLink.rev = 'width:455px;height:333px;scrolling:no;';
	myLytebox.start(objLink, false, true);
}