function estevez(target, answer) {
    while (target.nextSibling)
        target.parentNode.removeChild(target.nextSibling);

	if (target.src.indexOf("estevez2.png") != -1) {
		target.src = "/images/estevez.png";
	}
	else {
		target.src = "/images/estevez2.png";
		var textNode = document.createTextNode(answer);
		target.parentNode.appendChild(textNode);
	}
}