<script>
function button() {
var code = 'Mostrar Spoil' +
	   ''
document.getElementById("spoil").innerHTML = code;

var spoil = 'Ola xD' +
		'&nbspEu Sou Aluxes'
document.getElementById("Spoil_2").innerHTML = spoil;
}

function button_002() {
var code = 'Mostrar Spoil' +
	   ''
document.getElementById("spoil").innerHTML = code;


var spoil = '' +
		''
document.getElementById("Spoil_2").innerHTML = spoil;
}
</script>

<button type="button" value="Mostrar Spoil" onclick="button()"><div id="spoil">Mostrar Spoil</div></button>
<br /><center><div id="Spoil_2"></div></center>
<button type="button" onclick="button_002()"><div id="spoil">Esconder</div></button>