function FillSub(oElem, oTarget) {
	var strValue = oElem.options[oElem.selectedIndex].value;
	var url = '/zaojiao/qarea.asp';
	var strParams = 'q=' + strValue + "&f=" + oTarget.form.name + "&e=" + oTarget.name;
	var loader1 = new net.ContentLoader(url, FillDropDown, null, "POST", strParams);
}
function FillDropDown() {
	var xmlDoc = this.req.responseXML.documentElement;
	var xSel = xmlDoc.getElementsByTagName('selectElement')[0];
	var strFName = xSel.childNodes[0].firstChild.nodeValue;
	var strEName = xSel.childNodes[1].firstChild.nodeValue;
	var objDDL = document.forms[strFName].elements[strEName];
	objDDL.options.length = 0;
	var xRows = xmlDoc.getElementsByTagName('entry');
	for (i = 0; i < xRows.length; i++) {
		var theText = xRows[i].childNodes[0].firstChild.nodeValue;
		var theValue = xRows[i].childNodes[1].firstChild.nodeValue;
		var option = new Option(theText, theValue);
		objDDL.options.add(option, objDDL.options.length);
	}
}