/*jslb_ajax050 2.652k @see http://jsgt.org/mt/archives/01/000409.html*/
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.XMLHttpRequest){
		return new XMLHttpRequest();																																																																																																																																																																				
	}else if(window.ActiveXObject){																																																																																																																																																																																
		try{
			return new ActiveXObject("Msxml2.XMLHTTP");
		}catch(e){
			try{
				return new ActiveXObject("Microsoft.XMLHTTP");
			}catch(e2){
				return null;
			}
		}
	}else{
		return null;
	}
};
//
//
//
function sendRequest(callback,data,method,url,async,sload,user,password){
	sendRequest.prototype.README={
	url:"http://jsgt.org/mt/archives/01/000409.html",name:"sendRequest",version:0.50,license:"Public Domain",author:"Toshiro Takahashi http://jsgt.org/mt/01/",memo:""
	};
	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(typeof callback=='object'){
		var callback_onload=callback.onload;
		var callback_onbeforsetheader=callback.onbeforsetheader
	}else{
		var callback_onload=callback;
		var callback_onbeforsetheader=null;
	};
	if(opera||safari||mozes){
		oj.onload=function(){
			callback_onload(oj);
		}
	}else{
		oj.onreadystatechange=function(){
			if(oj.readyState==4){
				callback_onload(oj);
			}
		}
	};
	data=uriEncode(data,url);
	if(method.toUpperCase()=='GET'){url+=data};
	oj.open(method,url,async,user,password);
	if(!!callback_onbeforsetheader)callback_onbeforsetheader(oj);
	setEncHeader(oj);
	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,url){
	var encdata=(url.indexOf('?')==-1)?'?dmy':'';
		if(typeof data=='object'){
				for(var i in data)encdata+='&'+encodeURIComponent(i)+'='+encodeURIComponent(data[i]);
			}else if(typeof data=='string'){
			if(data=="")return"";
			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]);
			}
		};
		return encdata;
	};
return oj
}