function listarSubcategorias(valor) {
	http.open("GET", "/admin/sistemas/sisNoticia/exec.php?id=" + valor + "&action=carregaSubcateg", true);
	//http.onreadystatechange = handleHttpResponseCidades;
	http.onreadystatechange = function() { handleHttpResponseSubcategorias(); }
	http.send(null);
}

function handleHttpResponseSubcategorias() {
    
        campo_select = document.forms[0].idSubcategoria;		

	if (http.readyState == 4) {
		campo_select.options.length = 0;
		results = http.responseText.split(",");

		for (i=0; i < results.length-1; i++ ) {
			string = results[i].split( "|" );

			campo_select.options[i] = new Option( decodeBase64(string[0]), string[1] );
		}
	}
}