// JavaScript Document
function newsletter_cadastrar () {
	var formulario = document.getElementById ("newsletter_form");
	var email = document.getElementById ("newsletter_email");
	
	if (email.value.length < 5) {
		alert ("E-mail invalido");
		return false;
	}
	
	if (email.value.indexOf('@') < 3) {
		alert("E-mail invalido");
		return false;
	}
	
	formulario.submit ();
}

function busca_submit (evento)
{
	if (evento.keyCode)
		var code = evento.keyCode;
	else if (evento.which)
		var code = evento.which;
	else if (evento.charCode)
		var code = evento.charCode; 

	if (code == 13)
	{
		evento.returnValue=false;
		evento.cancel = true;

		buscar();
		
	}
}

function newsletter_submit (evento)
{
	if (evento.keyCode)
		var code = evento.keyCode;
	else if (evento.which)
		var code = evento.which;
	else if (evento.charCode)
		var code = evento.charCode; 

	if (code == 13)
	{
		evento.returnValue=false;
		evento.cancel = true;
		
		newsletter_cadastrar();
	}
}

function buscar () {
	var input = document.getElementById ("busca_txt");
	
	if (input.value.length < 3) {
		alert ("A palavra precisa ter pelo menos 3 letras");
		return false;
	}
	
	window.location = busca_url + "&busca=" + escape (input.value);
}

function stopRKey(evt) {
	var evt = (evt) ? evt : ((event) ? event : null);
	var node = (evt.target) ? evt.target : ((evt.srcElement) ? evt.srcElement : null);
	if ((evt.keyCode == 13) && (node.type == "text")) {
		return false;
	}
}