/* ---------------------------- */
/* 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 blogin() {
hiba=0;
mehet=true;
document.getElementById('blresp').innerHTML="";
//Ellenörzések
//username
if(document.getElementById('bloguser').value.length < 3){
	hiba=1;
	document.getElementById('bloguser').style.border='1px solid red';
	}

	
//pw1
if(document.getElementById('blogpsw').value.length < 4){
	hiba=1;
	document.getElementById('blogpsw').style.border='1px solid red';
	}

if (hiba==1){
document.getElementById('blresp').innerHTML = 'Hibás vagy üres mező: Pirossal jelölt! Lehet hogy túl rövid vagy üres!';
}	
	
//Ell vége
//hibák kiirása+konkluzio
	if(hiba == 0){
// Optional: Show a waiting message in the layer with ID ajax_response
document.getElementById('blresp').innerHTML = "<img class='loadimage' src='images/progress.gif' />";
// Required: verify that all fileds is not empty. Use encodeURI() to solve some issues about character encoding.
var user = encodeURI(document.getElementById('bloguser').value);
var pass = encodeURI(document.getElementById('blogpsw').value);
// Set te random number to add to URL request
nocache = Math.random();
// Pass the login variables like URL variable
http.open("POST", "blogcheck.php", true);
var params ='user='+user+'&pass='+pass+'&nocache = '+nocache;
http.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded; charset=utf-8');
http.setRequestHeader("Content-length", params.length);
http.setRequestHeader("Connection", "close");
http.send(params);
http.onreadystatechange = bloginReply;
	}
}
function bloginReply() {
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('blresp').innerHTML = 'Hibás felhasználónév/jelszó!';
// sikeres>>üdvözlés".
}
else if (respon.substr(i,4) == "blok") {
document.getElementById('bloglogin').style.display='none';
$("#blog").load("blog.php");
}
else {
document.getElementById('blresp').innerHTML = 'Ismeretlen hiba lépett fel!';
}
}
}