function createXMLHTTP() {
	try {
		ajax = new ActiveXObject("Microsoft.XMLHTTP");
	} 
	catch(e) {
		try {
			ajax = new ActiveXObject("Msxml2.XMLHTTP");
			alert(ajax);
		}
		catch(ex) {
			try {
				ajax = new XMLHttpRequest();
			}
			catch(exc) {
				alert("Esse browser não tem recursos para uso do Ajax.\nAtualize seu navegador.");
				ajax = null;
			}
		}
		return ajax;
	}
	var arrSignatures = ["MSXML2.XMLHTTP.5.0", "MSXML2.XMLHTTP.4.0","MSXML2.XMLHTTP.3.0", "MSXML2.XMLHTTP","Microsoft.XMLHTTP"];
	for (var i=0; i < arrSignatures.length; i++) {
		try {
			var oRequest = new ActiveXObject(arrSignatures[i]);
			return oRequest;
		} catch (oError) {
		}
	}
	throw new Error("MSXML não está instalado em seu sistema.");
}

function carregaCombo(divisao, pagina, ident){
  document.getElementById("aguarde").style.visibility = "visible"; //"hidden" */
	var HTTPRCarregaCombo = createXMLHTTP();
	HTTPRCarregaCombo.open("post", pagina, true);
	HTTPRCarregaCombo.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
	HTTPRCarregaCombo.onreadystatechange=function() {
		if (HTTPRCarregaCombo.readyState==4){
			document.getElementById(divisao).innerHTML = HTTPRCarregaCombo.responseText;
      document.getElementById("aguarde").style.visibility = "hidden";
		}
	}
	HTTPRCarregaCombo.send("ident=" + ident);
}

function carregaImg(id, legenda){
  document.getElementById("aguarde").style.visibility = "visible";
	var HTTPRcarregaImg = createXMLHTTP();
	HTTPRcarregaImg.open("post", "galeriaImg.php", true);
	HTTPRcarregaImg.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
	HTTPRcarregaImg.onreadystatechange=function() {
		if (HTTPRcarregaImg.readyState==4){
			document.getElementById("divImagem").innerHTML = HTTPRcarregaImg.responseText;
      document.getElementById("aguarde").style.visibility = "hidden";
		}
	}
	HTTPRcarregaImg.send("img=" + id + "&leg=" + legenda);
}