var xmlHttp

function MandaID(str)
{
xmlHttp=GetXmlHttpObject()
	if (xmlHttp==null)
	{
		alert ("Este browser não suporta HTTP Request")
		return
	}

var url="seleciona_localidade.asp"
url=url+"?uf="+str
url=url+"&sidjs="+Math.random()
xmlHttp.onreadystatechange=stateChanged
xmlHttp.open("GET",url,true)
xmlHttp.send(null)
}

function stateChanged()
{ 
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
	{ 
		document.getElementById("exibe_localidade").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
}