function abrirFotos(valor){
	var url = valor;
	
	xmlRequest.open("GET",url,true);
	xmlRequest.onreadystatechange = mudancaEstadoFotos;
	xmlRequest.send(null);
	
	if (xmlRequest.readyState == 1) {
		document.getElementById("conteudo").innerHTML = "<div style='padding-top: 100px; padding-left: 8px'>Carregando...</div>";
	}
	
	return url;
}


function mudancaEstadoFotos(){
	if (xmlRequest.readyState == 4){
		document.getElementById("conteudo").innerHTML = xmlRequest.responseText;
	}
}