function pesquisar_dados(page, var1, form) {
	http.open("GET", page, true);
	http.onreadystatechange = function handleHttpResponse()	{
		if (http.readyState == 4) {
			document.getElementById(var1).innerHTML = http.responseText;
		} else {
			document.getElementById(var1).innerHTML = '<div class="carregando">carregando...</div>';
		}
	}
	http.send(null);
}