function GetData(URL,div){
    var ajax = null;
	if(window.ActiveXObject){
		ajax = new ActiveXObject("Microsoft.XMLHTTP");
	}
	else if(window.XMLHttpRequest){
		ajax = new XMLHttpRequest();
	}
	else {
		alert("Your Browser doesn't support Ajax");
	}
    
	ajax.open('get', URL);
	ajax.onreadystatechange = function(){
		if(/*ajax.status == 200 &&*/ ajax.readyState == 4) {
			document.getElementById(div).innerHTML = ajax.responseText;
		}
	};

	ajax.send(null);
}

function PostData(URL,data,div){
	var ajax = null;
	if(window.ActiveXObject){
		ajax = new ActiveXObject("Microsoft.XMLHTTP");
	}
	else if(window.XMLHttpRequest){
		ajax = new XMLHttpRequest();
	}
	else {
		alert("Your Browser doesn't support Ajax");
	}

	ajax.open('post', URL);
    ajax.setRequestHeader("Content-Type",
 		"application/x-www-form-urlencoded");
	ajax.onreadystatechange = function(){
		if(ajax.status == 200 && ajax.readyState == 4) {
			document.getElementById(div).innerHTML = ajax.responseText;
		}
	};

	ajax.send(data);
}


function login(action) {
    var URL = "index.php";
    if(!action){
        URL += "?task=login&login=1";
        var userid = document.getElementById("userid").value;
        var pass = document.getElementById("passwd").value;
        var code = document.getElementById("code").value;
        var data = "userid="+userid+"&password="+pass+"&code="+code;
    } else {
        URL += "?task=login&login=2";
    }
    PostData(URL,data,"login");
}