function startType() {
    var obj = document.form1;
    var sonetypeid = obj.sonetypeid.options[obj.sonetypeid.selectedIndex].value;
    var req = newXMLHttpRequest();
    req.onreadystatechange = getReadyStateHandler(req, getType); 
    req.open("POST", "twotype", true);
    req.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");			
   	req.send("sonetypeid="+sonetypeid);
}
function getType(xlXML) { 
    var root = xlXML.getElementsByTagName("acct")[0];
    if (root != null) {
        var stwotypeid = document.getElementById("stwotypeid");
        stwotypeid.innerHTML = "";
        var sub = root.getElementsByTagName("type");
        for (var i = 0; i < sub.length; i++) {
            var subTwoType = document.getElementById('subTwoType').value;
            var o = document.createElement("OPTION");
            o.value =sub[i].getElementsByTagName("typecode")[0].firstChild.nodeValue;
            if(subTwoType==o.value ){
            	o.selected="selected";
            }	
            o.text = unescape(sub[i].getElementsByTagName("typename")[0].firstChild.nodeValue);
            stwotypeid.add(o);
        }
		}startType2();
	}
function startType2() {
    var obj = document.form1;
    var stwotypeid = obj.stwotypeid.options[obj.stwotypeid.selectedIndex].value;
    var req = newXMLHttpRequest();
    req.onreadystatechange = getReadyStateHandler(req, getType2); 
    req.open("POST", "twotype", true);
    req.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");			
   	req.send("stwotypeid="+stwotypeid);
}
function getType2(xlXML) { 
    var root = xlXML.getElementsByTagName("acct1")[0];
    var o = document.createElement("OPTION");
    o.value ="0";
    o.text = "-请选择三类-";
    document.getElementById("sthreetypeid").add(o);
    if (root != null) {
        var sthreetypeid = document.getElementById("sthreetypeid");
        sthreetypeid.innerHTML = "";
        var sub = root.getElementsByTagName("type1");
        for (var i = 0; i < sub.length; i++) {
            var subThreeType1 = document.getElementById('subThreeType').value;
            var o = document.createElement("OPTION");
            o.value =sub[i].getElementsByTagName("typecode1")[0].firstChild.nodeValue;
            o.text = unescape(sub[i].getElementsByTagName("typename1")[0].firstChild.nodeValue);
            sthreetypeid.add(o);
            if(subThreeType1!='0' && subThreeType1!='' && subThreeType1==o.value ){
            	 o.selected="selected";
            }
        }
		}
	  startBrand();
}