function createRequestObject(){
var request_;
var browser = navigator.appName;
if(browser == "Microsoft Internet Explorer"){
request_ = new ActiveXObject("Microsoft.XMLHTTP");
}else{
request_ = new XMLHttpRequest();
}
return request_;
}

var http = createRequestObject();
function Parte(itemCode){
//Carregando:
document.getElementById('espiritismo').innerHTML = '<div style="margin:10px 0;"><img src="http://www.uema.com.br/imagens/carregando.gif" width="16" height="16" hspace="5" style="float:left" /><font size="2" face="Arial"><b>Carregando...</b></font></div>';
//Arquivo:
http.open('get', 'http://www.uema.com.br/links/espiritismo/conteudo.php?parte=' + itemCode);
http.onreadystatechange = handleInfo;
http.send(null);
}

function handleInfo(){
if(http.readyState == 4){
var response = http.responseText;
document.getElementById('espiritismo').innerHTML = response;
}
}