/***********************************************
* NHK AJAX - Written by NHK(NG HUI KUNG)
***********************************************/

function ajaxRead(file, getEtabname, getEid, insertname, option_v, option_d, null_option){
	var xmlObj = null;
	if(window.XMLHttpRequest){
		xmlObj = new XMLHttpRequest();
	} else if(window.ActiveXObject){
		xmlObj = new ActiveXObject("Microsoft.XMLHTTP");
	} else {
		return;
	}
	xmlObj.onreadystatechange = function(){
		if(xmlObj.readyState == 4){
			processXML(xmlObj.responseXML,getEtabname, getEid, insertname, option_v, option_d, null_option);
		}
	}
	xmlObj.open ('GET', file, true);
	xmlObj.send ('');
}

function processXML(obj,getEtabname, getEid, insertname, option_v, option_d, null_option){
	var dataArray = obj.getElementsByTagName(getEtabname);
	var dataArrayLen = dataArray.length;
	var insertData = '<select name="'+insertname+'">';
	if (null_option)
	{
		insertData += '<option value="">' + null_option + '</option>';
	}
	for (var i=0; i<dataArrayLen; i++){
		if(dataArray[i].tagName){
			insertData += '<option value="' + dataArray[i].getAttribute(option_v) + '">' +  dataArray[i].getAttribute(option_d) + '</option>';
		}
	}
	insertData += '</select>';
	document.getElementById (getEid).innerHTML = insertData;
}