var http = createRequestObject();
var lastUrl = '';
var current_url = '';
var field = '';
var interval = '';
var loading=0;

function createRequestObject() {
	var xmlhttp;
	try { xmlhttp=new ActiveXObject("Msxml2.XMLHTTP"); }
	catch(e) {
    try { xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");}
	catch(f) { xmlhttp=null; }
  }
  if(!xmlhttp&&typeof XMLHttpRequest!="undefined") {
	xmlhttp=new XMLHttpRequest();
  }
	return  xmlhttp;
}

function sendRequest(current_url,act) {
	try{
		if (act == 'play' || act == 'yplay')
		field = document.getElementById("playing_field");
		else field = document.getElementById("data_field");
		if (loading==0) {
			loading=1;
			show_Loading();
		}
		current_url = encodeURIComponent(current_url);
		http.open('POST',  'index.php');
		http.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
		http.onreadystatechange = handleResponse;
		http.send('url='+current_url);
	}
	catch(e){}
	finally{}
}

function handleResponse() {
	try {
		if((http.readyState == 4)&&(http.status == 200)){
			hide_Loading();
			loading=0;
			response = http.responseText;
			if (current_url.indexOf('play_song') != -1) {
				field.style.marginBottom = "10";
			}
			field.innerHTML = response;
			field.style.display = "";
			field.scrollIntoView();
		}
  	}
	catch(e){}
	finally{}
}
// NDK Loading
var ie45,ns6,ns4,dom;
if (navigator.appName=="Microsoft Internet Explorer") ie45=parseInt(navigator.appVersion)>=4;
else if (navigator.appName=="Netscape"){  ns6=parseInt(navigator.appVersion)>=5;  ns4=parseInt(navigator.appVersion)<5;}
dom=ie45 || ns6;

var timershow=false;
var curx=-200;
var cury=200;
var win_w=window.innerWidth ? window.innerWidth : document.body.offsetWidth;
var mid_w=win_w/2;
var timershow1=window.setInterval("stayMiddle()",1);

function getobj(id) {
el = document.all ? document.all[id] :   dom ? document.getElementById(id) :   document.layers[id];
return el;
}

function show_Loading() {
	obj = getobj('LoadingDiv');
	if (timershow) window.clearTimeout(timershow);
	timershow=window.setInterval("nshow()",1);
}

function hide_Loading() {
	obj = getobj('LoadingDiv');
	if (timershow) window.clearTimeout(timershow);
	timershow=window.setInterval("nhide()",1);
}

function moveobj(obj,x,y) {
	obj.style.left=x + "px";
	obj.style.top=y+ "px";
	curx=x;
	cury=y;
}

function stayMiddle() {
	if (document.documentElement && document.documentElement.scrollTop)
		var pY =  document.documentElement.scrollTop;
	else if (document.body)
		var pY =  document.body.scrollTop;

	obj = getobj('LoadingDiv');
	newy = cury+((pY-cury)/16)+12;
	moveobj(obj,curx, newy);
}

function nshow() {
	obj = getobj('LoadingDiv');
	newx = curx+((mid_w-curx)/16)-7;
	moveobj(obj,newx, cury);
}
function nhide() {
	obj = getobj('LoadingDiv');
	newx = curx+((0-curx)/16)-15;
	moveobj(obj,newx, cury);
}
// End
function getVar(url,cnt)
{
	url=url+'#';
	url=url.split('#');
	if (!url[1]) window.location.href = '#home';
	url=url[1];
	url=url+'/';
	url=url.split('/');
	if (url[0] == 'logout')
		window.location.href = '?refresh=1';
	if (url[0] == 's')
		window.location.href = '#'+url[1];
	if (cnt != -1) {
		url=url[cnt];
		if (!url) return '';
	}
	return url;
}

function loadPage() {
	act = getVar(window.location.href,0);
	if (act) {
		current_url=window.location.href;
		current_url=current_url+'#';
		current_url=current_url.split('#');
		current_url=current_url[1];
		if (current_url) sendRequest(current_url,act);
	}
}

function urlCheck()
{
	url=window.location.href;
	if (url.indexOf('?') != -1 ) {
		url_temp = url.split('?');
		clearInterval(interval);
		href = url_temp[0];
		
		url=url+'#';
		url=url.split('#');
		if (url[1]) window.location.href = href+'#'+url[1];
		return;
	}
	if (url != '' && url!=lastUrl)
	{
		loadPage();
		lastUrl=url;
	}
}

function startLoad() {
	interval = setInterval('urlCheck()',100);
}

// + ---------------------- +
// |        PLAYLIST        |
// + ---------------------- +

function reloadPlaylist(add_id,remove_id) {
	try{
		document.getElementById("playlist_field").innerHTML = loadingText;
		http.open('POST',  'index.php');
		http.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
		http.onreadystatechange = playlist_handleResponse;
		http.send('reloadPlaylist=1&add_id='+add_id+'&remove_id='+remove_id);
	}
	catch(e){}
	finally{}
}

function playlist_handleResponse() {
	try {
		if((http.readyState == 4)&&(http.status == 200)){
			var response = http.responseText;
			document.getElementById("playlist_field").innerHTML = response;
		}
  	}
	catch(e){}
	finally{}
}
function PrintfMp3() {
document.title ='Phim';
}
function Title(song,sing)
{
  document.title ='––– Phim –––» Tập số: '+Replaces(song)+' - Phim: '+Replaces(album)+' –––';
}

function TitleAlbum(title)
{
  document.title ='––– Phim –––» Phim: '+Replaces(title)+' –––';
}
function TitleSong(title)
{
  document.title ='––– Phim –––» Tập số: '+Replaces(title)+' –––';
}

function permission(){
      alert("Bạn không thể sử dụng chức năng này");
    return false;
}

function addToPlaylist(song_id)
{
	reloadPlaylist(song_id,0);
	alert("Đã thêm Phim này vào Playlist");
	
}
function removeFromPlaylist(song_id)
{
	reloadPlaylist(0,song_id);
	alert("Đã xóa Phim này ra khỏi Playlist");
}

function SoH_Media(obj,is_close) {
	var hideshow = document.getElementById(obj);
	if (is_close) {
		document.getElementById('playing_field').innerHTML = '';
	}
	else {
		if(hideshow.style.display != "none") {
			hideshow.style.display = "none";
			document.getElementById("SoH").innerHTML = '[+] Hiện mục xem phim';
		}
		else {
			hideshow.style.display = "block";
			document.getElementById("SoH").innerHTML = '[-] Giấu mục xem phim';
		}
	}
	return false;
}

function do_search() {
	kw = document.getElementById("keyword").value;
	if (!kw) alert('Bạn chưa nhập từ khóa');
	else {
		kw = encodeURIComponent(kw);
		last_url = '';
		window.location.href = '#search/'+kw;
		return false;
	}
}
/*------------------------------------------------------*/
function trim(a) {
	return a.replace(/^s*(S*(s+S+)*)s*$/, "$1");
}

// + ------------------- +
// |        LOGIN        |
// + ------------------- +

function login_handleResponse() {
	try {
		if((http.readyState == 4)&&(http.status == 200)){
			document.getElementById("login_loading").style.display = "none";
			var response = http.responseText;
			if (response) {
				document.getElementById("login_loading").innerHTML = response;
				document.getElementById("login_loading").style.display = "block";
				alert('Username hoặc mật khẩu kô đúng');
			}
			else window.location.href = '?refresh=1';
						
		}
  	}
	catch(e){}
	finally{}
}

function login(form) {
	name = eval('encodeURIComponent('+form+'.name.value);');
	pwd = eval('encodeURIComponent('+form+'.pwd.value);');
    if(	trim(name) == "" ||	trim(pwd) == "")
		alert("Bạn chưa nhập đầy đủ thông tin");
	else {
		try{
			document.getElementById("login_loading").innerHTML = loadingText;
			document.getElementById("login_loading").style.display = "block";
			http.open('POST',  'index.php');
			http.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
			http.onreadystatechange = login_handleResponse;
			http.send('login=1&name='+name+'&pwd='+pwd);  	
		}
		catch(e){}
		finally{}
	}
	return false;
}

// + ---------------------- +
// |        REGISTER        |
// + ---------------------- +

function reg_handleResponse() {
	try {
		if((http.readyState == 4)&&(http.status == 200)){
			document.getElementById("reg_loading").style.display = "none";
			var response = http.responseText;
			if (response) {
				document.getElementById("reg_loading").innerHTML = response;
				document.getElementById("reg_loading").style.display = "block";
				document.getElementById("submit").disabled=false;document.getElementById("submit").value="Nhập lại";
			}
			else window.location.href = '#login';
			
		}
  	}
	catch(e){}
	finally{}
}

function reg_check_values() {
	ok = false;
	name = encodeURIComponent(document.getElementById("reg_name").value);
	pwd = encodeURIComponent(document.getElementById("reg_pwd").value);
	pwd2 = encodeURIComponent(document.getElementById("reg_pwd2").value);
	email = encodeURIComponent(document.getElementById("reg_email").value);
	playlist_info = encodeURIComponent(document.getElementById("reg_playlist_info").value);
	u_area = document.getElementById("u_area");
	area = u_area.options[u_area.selectedIndex].value;
	agree = document.getElementById("agree").checked;
	
	s = document.getElementsByName("reg_sex");
	if (s[0].checked) sex = s[0].value;
	if (s[1].checked) sex = s[1].value;
	
	if(	trim(name) == "" ||	trim(pwd) == "" ||	trim(pwd2) == "" ||	trim(email) == "" )
		alert("Bạn chưa nhập đầy đủ thông tin");
	else
		if (pwd != pwd2) 
		alert("Xác nhận mật khẩu không chính xác");
		else if (!agree) 
		alert("Bạn chưa đồng ý với các quy định của trang Web");
		else {
			try{
				document.getElementById("reg_loading").innerHTML = loadingText;
				document.getElementById("reg_loading").style.display = "block";
				http.open('POST',  'index.php');
				http.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded; charset=UTF-8');
				http.onreadystatechange = reg_handleResponse;
				http.send('reg=1&name='+name+'&pwd='+pwd+'&email='+email+'&playlist_info='+playlist_info+'&sex='+sex+'&area='+area);
				document.getElementById("submit").disabled=true;document.getElementById("submit").value="Wait...";
			}
			catch(e){}
			finally{}
		}
	return ok;
}
// + ----------------------------- +
// |FORGOT PASSWORD   |
// + ----------------------------- +

function forgot_handleResponse() {
	try {
		if((http.readyState == 4)&&(http.status == 200)){
			document.getElementById("forgot_loading").style.display = "none";
			var response = http.responseText;
			if (response) {
				document.getElementById("forgot_loading").innerHTML = response;
				document.getElementById("forgot_loading").style.display = "block";
				document.getElementById("submit").disabled=false;document.getElementById("submit").value="Nhập lại";
			}
		}
  	}
	catch(e){}
	finally{}
}

function forgot() {
	email = encodeURIComponent(document.getElementById("u_email").value);
	if(	trim(email) == "" )	alert("Bạn chưa nhập email");
	else {
		try{
			document.getElementById("forgot_loading").innerHTML = loadingText;
			document.getElementById("forgot_loading").style.display = "block";
			http.open('POST',  'index.php');
			http.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
			http.onreadystatechange = forgot_handleResponse;
			http.send('forgot=1&email='+email);
			document.getElementById("submit").disabled=true;document.getElementById("submit").value="Wait...";
		}
		catch(e){}
		finally{}
	}
	return false;
}

function showComment(media_id) {
	try {
		document.getElementById("comment_field").innerHTML = loadingText;
		document.getElementById("comment_field").style.display = "block";
		http.open('POST',  'comment.php');
		http.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded; charset=UTF-8');
		http.onreadystatechange = function() {
			if((http.readyState == 4)&&(http.status == 200)){
				document.getElementById("comment_field").innerHTML = http.responseText;
			}
		}
		http.send('showcomment=1&media_id='+media_id);
	}
	catch(e){}
	finally{}
	return false;
}

function request_check_values() {
	r_title = encodeURIComponent(document.getElementById("r_title").value);
	r_singer = encodeURIComponent(document.getElementById("r_singer").value);
	r_info = encodeURIComponent(document.getElementById("r_info").value);
	r_email = encodeURIComponent(document.getElementById("r_email").value);

	if(	trim(r_title) == "" || trim(r_email) == "")
		alert("Bạn chưa nhập đầy đủ thông tin (*)");
	else {
		try{
			document.getElementById("reg_loading").innerHTML = loadingText;
			document.getElementById("reg_loading").style.display = "block";
			http.open('POST',  'index.php');
			http.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded; charset=UTF-8');
			http.onreadystatechange = reg_handleResponse;
			http.send('request=1&r_title='+r_title+'&r_singer='+r_singer+'&r_info='+r_info+'&r_email='+r_email);
		}
		catch(e){}
		finally{}
	}
	return false;
}

// + ---------------------------------- +
// |      VUINET.VN MOVIE RATING     |
// + ---------------------------------- +
function Rating(media_id,star) {
	try {
		document.getElementById("rate_s").innerHTML = loadingText;
		document.getElementById("rate_s").style.display = "block";
		hide_rating_process();
		http.open('POST',  'rating.php');
		http.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
		http.onreadystatechange = function() {
			if((http.readyState == 4)&&(http.status == 200)){
				document.getElementById("rating_field").innerHTML = http.responseText;
			}
		}
		http.send('rating=1&media_id='+media_id+'&star='+star);
	}
	catch(e){}
	finally{}
	return false;
}


	// pre-fetch image
	(new Image()).src = RATE_OBJECT_IMG;
	(new Image()).src = RATE_OBJECT_IMG_HALF;
	(new Image()).src = RATE_OBJECT_IMG_BG;

	function show_star(starNum,rate_text) {
		remove_star();
		document.getElementById("rate_text_d").innerHTML = rate_text;
		full_star(starNum);
	}
	
	function full_star(starNum) {
		for (var i=0; i < starNum; i++)
			document.getElementById('star'+ (i+1)).src = RATE_OBJECT_IMG;
	}
	function remove_star() {
		for (var i=0; i < 5; i++)
			document.getElementById('star' + (i+1)).src = RATE_OBJECT_IMG_BG; // RATE_OBJECT_IMG_REMOVED;
	}
	function remove_all_star() {
		for (var i=0; i < 5; i++) document.getElementById('star' + (i+1)).src = RATE_OBJECT_IMG_BG; // RATE_OBJECT_IMG_REMOVED;
		document.getElementById("rate_text_d").innerHTML = 'Bình Chọn';
	}
	function show_rating_process() {
		if(document.getElementById("rating_process")) document.getElementById("rating_process").style.display = "block";
		if(document.getElementById("rate_s")) document.getElementById("rate_s").style.display = "none";
	}
	function hide_rating_process() {
		document.getElementById("rating_process").style.display = "none";
		if(document.getElementById("rate_s")) document.getElementById("rate_s").style.display = "block";
	}
// END RATING

function  Replaces(string) {
string=string.replace(/'/g,"\'");
return string
}

function popup(url,wdname,width,height)
{
if (width == null)  { width  = 200; }   // default width
if (height == null) { height = 400; }   // default height
newwin=window.open(url,wdname,'fullscreen=no,toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,width='+width+',height='+height);
if (document.all)
{
newwin.moveTo(0,0);
newwin.focus();
}
}

function killErrors() {
return true;
}
window.onerror = killErrors;