function enviaReq(){
	var oXMLHttp = criaXMLHttp();
	//Pega o valor do elemento STATE no fomrulario est
	var valor = document.forms[0].elements["tbl_site_estado_id"].value; 
	oXMLHttp.open("get", "estado/postAjax.php?id="+valor+"", false);
	oXMLHttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
	oXMLHttp.onreadystatechange = function (){
		
		if(oXMLHttp.readyState < 4){
			//document.getElementById("status").innerHTML = "Carregando...";
		}
		if(oXMLHttp.readyState == 4){
			//document.getElementById("status").innerHTML ="";alert("teste");
			exibeResult(oXMLHttp.responseText);
		}else{
			//exibeResult("Ocorreu um erro: " + oXMLHttp.statusText);
		}
	};
	oXMLHttp.send();
	oXMLHttp = '';
	valor='';
}
function exibeResult(sTxt){
	var divmun = document.getElementById("divmun");
	divmun.innerHTML = sTxt;
	divmun='';
}