var xmlHttp

function MandaID2(str,mod)
{
xmlHttp=GetXmlHttpObject()
if (xmlHttp==null)
{
alert ("Este browser não suporta HTTP Request")
return
}



var url="seleciona_cidade.asp"
url=url+"?id_estado="+str
url=url+"&mod="+mod
url=url+"&sid="+Math.random()
xmlHttp.onreadystatechange=stateChanged

//ENVIO POR GET
xmlHttp.open("GET",url,true)
xmlHttp.send(null)

//ENVIO POR POST
//xmlHttp.open("POST",url,true)
//xmlHttp.send(url)

}

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