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('Gecko/')[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,e6용
			try {
				return new ActiveXObject("Msxml2.XMLHTTP") ;
			} catch (e) {
				try {
					return new ActiveXObject("Microsoft.XMLHTTP") ;
				} catch (e2) {
					return null ;
	 			}
	 		}
		} else if(window.XMLHttpRequest){
			 //Win Mac Linux m1,f1,o8 Mac s1 Linux k3용
			return new XMLHttpRequest() ;
		} else {
			return null ;
		}
	}

	function sendRequest(callback,data,method,url,async,sload,user,password)
	{
		//XMLHttpRequest 오브젝트 생성
		var oj = createHttpRequest();
		if( oj == null ) return null;

		//강제 로드의 설정
		var sload = (!!sendRequest.arguments[5])?sload:false;
		if(sload || method.toUpperCase() == 'GET')url += "?";
		if(sload)url=url+"t="+(new Date()).getTime();

		//브라우저 판정
		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);
				}
			}
		}

		//URL 인코딩
		data = uriEncode(data)
		if(method.toUpperCase() == 'GET') {
			url += data
		}

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

		//헤더 application/x-www-form-urlencoded 설정
		setEncHeader(oj)

		//디버그
		//alert("////jslb_ajaxxx.js//// \n data:"+data+" \n method:"+method+" \n url:"+url+" \n async:"+async);

		//send 메소드
		oj.send(data);

		//URI 인코딩 헤더 설정
		function setEncHeader(oj){

			var contentTypeUrlenc = 'application/x-www-form-urlencoded; charset=UTF-8';
			if(!window.opera){
				oj.setRequestHeader('Content-Type',contentTypeUrlenc);
			} else {
				if((typeof oj.setRequestHeader) == 'function')
					oj.setRequestHeader('Content-Type',contentTypeUrlenc);
			}
			return oj
		}

		//URL 인코딩
		function uriEncode(data){

			if(data!=""){
				//&와=로 일단 분해해서 encode
				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
	}