function chkAjaBrowser(){
		var a, ua = navigator.userAgent;
		this.bw={
			cafari : ((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){
			try{
				return new ActiveXObject("Msxml12.XMLHTTP");
			}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){
		var oj = createHttpRequest();
		
		if(oj == null)
			return null;
		
		var sload = (!!sendRequest.arguments[5])?sload:false;
		if(sload || method.toUpperCase() == 'GET')url += "?";
		if(sload)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);
				}
			}
		}
		
		data = uriEncode(data)
		
		if(method.toUpperCase() == 'GET'){
			url += data
		}
		
		oj.open(method, url, async, user, password);
		
		setEncHeader(oj)
		
//		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]);
				}
			}else{
				encdata = "";
			}
			
			return encdata;
		}
		
		return oj
	}