//javascript library Ajax

function chkAjaBrowser(){
	var a,ua = navigator.userAgent;

	this.bw = {
		safari 		: ((a=ua.split('AppleWebKit/')[1])?a.split('(')[0]:0)>=124,
		konqueror 	: ((a=ua.split('Konqueror')[1])?a.split(';')[0]:0)>=3.3,
		mozes 		: ((a=ua.split('Getko/')[1])?a.split("")[0]:0)>=20011128,
		opera 		: (!!window.opera) && ((typeof XMLHttpRequest)=='function'),
		msie 		: (!!window.ActiveXObject)?(!!createHttpRequest()):false
	}

	return (this.bw.safari||this.bw.konqueror||this.bw.mozes||this.bw.opera||this.bw.msie)
}

function createHttpRequest(){
	if(window.ActiveXObject){
		//win e4,e5,e6¿ë
		try{
			return new ActiveXObject("Msxml2.XMLHTTP.4.0");
		} catch (e) {
			try { 
				return new ActiveXObject("Microsoft.XMLHTTP");
			} catch (e2) {
				return null;
			}
		}
	} else if(window.XMLHttpRequest){
		//Win Max Linux m1, f1,o8 Mac s1 Linux k3¿ë
		return new XMLHttpRequest();
	} else {
		return null;
	}
}

function sendRequest2(callback,data,method,url,async,sload,user,password){
	async = true;
	var oj = createHttpRequest();
	if(oj== null) return null;
	
	var sload = (!!sendRequest2.arguments[5])?sload:false;
	if(sload || method.toUpperCase() =='GET') url != "?";
	if(sload) url = url; 
	//if(sload) url = url + "t=" + (new Date()).getTime();

	var bwoj = new chkAjaBrowser();
	var opera = bwoj.bw.opera;
	var safari = bwoj.bw.safari;
	var konqueror = bwoj.bw.konqueror;
	var mozes = bwoj.bw.mozes;

	if(opera || safari || mozes){
		oj.onload = function() { callback(oj);}
	} else {
		oj.onreadystatechange = function ()
		{
			if(oj.readyState == 4){
				callback(oj);
			} else {
			}
		}
	}

	data = uriEncode(data);

	if(method.toUpperCase() == 'GET') {
		url += data;
	}
	//ij½¬ Àû¿ë ¹æÁö¸¦ À§ÇØ À¯ÀÏÇÑ ÁÖ¼Ò°ªÀ» °¡Áö°Ô Çϱâ À§ÇØ Ãß°¡ 
	url = url + "&hash=" + Math.random()

	var currentURL = self.location.href;

	oj.open(method,url,async,user,password);

	setEncHeader(oj);

	oj.send(data);

	function setEncHeader(oj){
		var contentTypeUrlenc = 'application/x-www-form-urlencoded; charset=euc-kr';
		if(!window.opera){
			oj.setRequestHeader('Content-Type',contentTypeUrlenc);
		} else {
			if((typeof oj.setRequestHeader) == 'function')
				oj.setRequestHeader('Content-Type',contentTypeUrlenc);
		}	
		return oj
	}
		
	//URI ENCODE
	function uriEncode(data){
		if(data!=""){
			var encdata = '';
			var datas = data.split('&');
			for(i=1;i<datas.length;i++){
				var dataq = datas[i].split('=');
				encdata += '&'+encodeURIComponent(dataq[0])+'='+encodeURIComponent(dataq[1]);
			}
		} else {
			encdata = "";
		}
		return encdata;
	}
	return oj;
}