var xmlHttp;

function getProdutoCategoria(str)
{ 
	xmlHttp = GetXmlHttpObject();

	if (xmlHttp == null)
	{
		alert ("Seu navegador nao suporta AJAX. \nwww.getfirefox.com"); return;
	} 
	
	var url = "./js/getBairro.php"; //NOME DA URL
	
	url = url +"?q="+ str;
	url = url +"&sid="+ Math.random();

	xmlHttp.onreadystatechange = stateChanged;

	xmlHttp.open("GET", url, true);
	xmlHttp.send(null);
}

function stateChanged() 
{ 
	if(xmlHttp.readyState == 1) 	
		document.getElementById("ajax_bairro").innerHTML = "\n<select name='bairro' id='bairro' class='input'>\n<option value='0'>Carregando dados..</option>\n</select>";
	if(xmlHttp.readyState == 4 || xmlHttp.readyState == "Complete")
		document.getElementById("ajax_bairro").innerHTML = xmlHttp.responseText;
} 

function GetXmlHttpObject()
{ 
	var objXMLHttp = null;
	if (window.XMLHttpRequest)
	{
		objXMLHttp = new XMLHttpRequest();
	}
	else if (window.ActiveXObject)
	{
		objXMLHttp = new ActiveXObject("Microsoft.XMLHTTP");
	}
	return objXMLHttp;
}
function valida_sub(){
	var subcategoria = document.getElementById("subcategoria").value;
	document.getElementById("subcategoria_valor").value = subcategoria;
	
}