/* ---------------------------- */
/* XMLHTTPRequest Enable */
/* ---------------------------- */
function createObject() {
var request_type;
var browser = navigator.appName;
if(browser == "Microsoft Internet Explorer"){
request_type = new ActiveXObject("Microsoft.XMLHTTP");
}else{
request_type = new XMLHttpRequest();
}
return request_type;
}

var http = createObject();

/* -------------------------- */
/* LOGIN */
/* -------------------------- */
/* Required: var nocache is a random number to add to request. This value solve an Internet Explorer cache issue */
var nocache = 0;
var errmsg="";
var hiba=0;
var mehet=true;

function login() {
errmsg="";
hiba=0;
mehet=true;
document.getElementById('errmsg').innerHTML = "";
//Ellenörzések
//username
if(document.getElementById('user').value.length < 4){
	hiba=1;
	document.getElementById('user').style.border='1px solid red';
	errmsg=errmsg+"A felhasználónév túl rövid!<br />";
	}

	
//pw1
if(document.getElementById('pass').value.length < 4){
	hiba=1;
	document.getElementById('pass').style.border='1px solid red';
	errmsg=errmsg+"A jelszó minimum 4 karater legyen!<br />";
	}

//Ell vége
//hibák kiirása+konkluzio
document.getElementById('errmsg').innerHTML = errmsg;
	if(hiba == 0){
// Optional: Show a waiting message in the layer with ID ajax_response
document.getElementById('progress').innerHTML = "<img class='loadimage' src='../images/ajaxLoad.gif' />  Kereslek...";
// Required: verify that all fileds is not empty. Use encodeURI() to solve some issues about character encoding.
var user = encodeURI(document.getElementById('user').value);
var pass = encodeURI(document.getElementById('pass').value);
// Set te random number to add to URL request
nocache = Math.random();
// Pass the login variables like URL variable
http.open('get', 'logcheck.php?user='+user+'&pass='+pass+'&nocache = '+nocache);
http.onreadystatechange = Reply_login;
http.send(null);
	}
}
function Reply_login() {
if(http.readyState == 4){
var respon = http.responseText;
var l=respon.length;
var i=l-4;
if(respon.substr(i,4) == "fail"){
// if login fails
document.getElementById('progress').innerHTML = '';
document.getElementById('login_response').innerHTML = 'Hibás felhasználónév/jelszó!';
// sikeres>>üdvözlés".
}
else {
document.getElementById('loginform').style.display='none';
document.getElementById('login_response').style.display='none';
document.getElementById('progress').innerHTML = "Sikeres bejelentkezés, továbbítás az adminisztrációs rendszerbe!";
location.href="cikklist.php";
}
}
}