var xmlHttp
function MandaID(str,valor){
    xmlHttp=GetXmlHttpObject()
    if (xmlHttp==null){
        alert ("Este browser não suporta HTTP Request")
        return
    }
    if (valor == 1 ){
        var url="/combo/gerar.asp"
        url=url+"?comb1="+str
        url=url+"&status=1"
        url=url+"&sid="+Math.random()
        xmlHttp.onreadystatechange=stateChanged_combo1
        xmlHttp.open("GET",url,true)
        xmlHttp.send(null)
    }
    if (valor == 2){
        var url="/combo/gerar.asp"
        url=url+"?comb2="+str
        url=url+"&status=2"
        url=url+"&sid="+Math.random()
        xmlHttp.onreadystatechange=stateChanged_combo2
        xmlHttp.open("GET",url,true)
        xmlHttp.send(null)
    }    
}

function stateChanged_combo1(){
    if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete"){
        document.getElementById("exibe_combo2").innerHTML=xmlHttp.responseText
    }
}

function stateChanged_combo2(){
    if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete"){
        document.getElementById("exibe_combo3").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
}