function getDadosPost(padrao) {
	var poststr = "enviar=1";
	var form1 = document.getElementById('formulario');
	for (i = 0; i < form1.elements.length; i++)
		if (form1.elements[i].name != "opcinfo")
			poststr += "&" + form1.elements[i].name + "=" + encodeURI(form1.elements[i].value);
		else {
			if (form1.elements[i].checked)
				poststr += "&" + form1.elements[i].name + "=" + encodeURI(form1.elements[i].value);
		}
	return poststr;
}

function contatoForm() {
	var url = "sis/contato.kmf";
	var poststr = getDadosPost();

	if (poststr.length) {
		AjaxRequest();
		Ajax.onreadystatechange = processarContato;
		Ajax.open("POST", url, true);
		Ajax.setRequestHeader("Content-Type", "application/x-www-form-urlencoded; charset=iso-8859-1");
		Ajax.setRequestHeader("Content-length", poststr.length);
		Ajax.setRequestHeader("Connection", "close");
		Ajax.send(poststr);
	}
}

function processarContato() {
	if (Ajax.readyState == 4) {
		if (Ajax.status == 200) {
			retornoContato();
		}
	}
}

function retornoContato() {
	var resultadocont = Ajax.responseXML.getElementsByTagName("resultado")[0];
	var textoresult = resultadocont.firstChild.nodeValue;
	if (resultadocont.getAttribute("sucesso") == "0")
		alert(textoresult);
	else
		document.location = "contato_resposta.html";
}