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.konquerror || this.bw.mozes || this.bw.opera || this.bw.msie)
}

function createHttpRequest(){
	if(window.ActiveXObject){
		try{
			return new ActiveXObject("Msxm12.XLMHTTP");
		}catch(e){
			try{
				return new ActiveXObject("Microsoft.XMLHTTP")
			}catch(e2){
				return null;
			}
		}
	}else if(window.XMLHttpRequest){
		return new XMLHttpRequest();
	}else{
		return null;
	}
}



function sendRequest(callback, data, method, url,async, sload, user, password){
	//alert(callback);
	//alert(url);
	
	var oj = createHttpRequest();
	if( oj == null) return null;
	
	
	var sload = (!! sendRequest.arguments[5])?sload:false;
	if(sload || method.toUpperCase() == 'GET')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);
			}
		}
	}

	if(method.toUpperCase() == 'GET'){
		url += data;
	}
	
	
	oj.open(method, url, async, user, password);
	
	setEncheader(oj);

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

	oj.send(data);
	
	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
	}
	
	
	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]);
		}
		}
	}
}