var http = createRequestObject();
var lastUrl = '';
var current_url = '';
var field = '';
var interval = '';
var loading=0;
var update = '001';
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 == 'Gift' || act == 'Play_Album' || act == 'Play_Singer' || act == 'Play_Playlist' || act == 'Truyen_Hinh'){
		//self.scrollTo(0, 650);
		field = document.getElementById("playing_field");
		var vitri_top = document.getElementById("playing_field").offsetTop + 200;
		//alert(vitri_top);
		self.scrollTo(0, vitri_top);
	}
	else if (act == 'Download')
		field = document.getElementById("download_field");
	else if (act !== 'Home') {
		field = document.getElementById("data_field");
		//self.scrollTo(0, 400);
		var vitri_top = document.getElementById("data_field").offsetTop + 200;
		//alert(vitri_top);
		self.scrollTo(0, vitri_top);
	}
	else field = document.getElementById("data_field");
	//document.getElementById("loading").innerHTML = loadingText;
	//document.getElementById("loading").style.display = "block";
	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)){
		//document.getElementById("loading").style.display = "none";
		hide_Loading();
		loading=0;
		response = http.responseText;
		if (current_url.indexOf('Play') != -1 || current_url.indexOf('Gift') != -1) {
			field.style.marginBottom = "10";
			/*document.getElementById("show_hide").style.display = "block";*/
		}
		field.innerHTML = response;
		field.style.display = "";
	}
  	}
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=350;
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 = '#Phapam';
url=url[1];
url=url+',';
url=url.split(',');
if (url[0] == 'Logout')
	window.location.href = '?refresh=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);
}
function alertBrokenLink(id) {
if (confirm("Báo Link trong Pháp Âm Hoằng Pháp bị hỏng ?")) {
	try{
		http.open('POST',  'index.php');
		http.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
		http.onreadystatechange = BrokenResponse;
		http.send('url=Broken,'+id);
	}
	catch(e){}
	finally{}
}
}
function BrokenResponse() {
try {
	if((http.readyState == 4)&&(http.status == 200)){
		response = http.responseText;
		if (response == 1) alert("Thông báo đã được gởi đi. Cám ơn quý vị đã báo cho chúng tôi.");
		else alert("Cám ơn quý vị đã thông báo lỗi cho bộ phận kỹ thuật\nĐể Pháp âm chạy tốt hơn, mong nhận được sự đóng góp của quý vị qua địa chỉ nick chat hoặc email:\nNick yahoo: phuockhanhan.hoangphap\nEmail quản lý Website: phuockhanhan.hoangphap@yahoo.com\nEmail chùa Hoằng Pháp: chuahoangphap@gmail.com\nWebsite: http://www.chuahoangphap.com.vn");
	}
  	}
catch(e){
	alert("Lỗi. Mong quý vị thông báo lại.");
}
finally{}
}
function do_search() {
kw = document.getElementById("keyword").value;
if (!kw) alert('Quý vị chưa nhập từ khóa để tìm kiếm');
else {
	kw = encodeURIComponent(kw);
	s_type = document.getElementById("searchType");
	type = s_type.options[s_type.selectedIndex].value;
	switch (type) {
		case 'all' : type = 999; break;
		case 'song' : type = 1; break;
		case 'ebook' : type = 5; break;
		case 'file' : type = 6; break;
		case 'singer' : type = 2; break;
		case 'album' : type = 3; break;
		case 'news' : type = 4; break;
	}
	last_url = '';
	window.location.href = '#Search,'+type+','+kw;
}
return false;
}
// + ---------------------- +
// |        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 addToPlaylist(song_id)
{
reloadPlaylist(song_id,0);
}
function removeFromPlaylist(song_id)
{
reloadPlaylist(0,song_id);
}
/*------------------------------------------------------*/

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";
		}
		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";
		}
		else {
			window.location.href = '#Login';
		}
	}
  	}
catch(e){}
finally{}
}
function request_check_values() {
    ok = false;
    title_request = encodeURIComponent(document.getElementById("title_request").value);
    singer_request = encodeURIComponent(document.getElementById("singer_request").value);
    author_request = encodeURIComponent(document.getElementById("author_request").value);
    ym_request = encodeURIComponent(document.getElementById("ym_request").value);
    email_request = encodeURIComponent(document.getElementById("email_request").value);
    info_request = encodeURIComponent(document.getElementById("info_request").value);
   
    if(    trim(title_request) == "" ||    trim(email_request) == "" )
        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');
            http.onreadystatechange = reg_handleResponse;
            http.send('request=1&title_request='+title_request+'&author_request='+author_request+'&singer_request='+singer_request+'&ym_request='+ym_request+'&email_request='+email_request+'&info_request='+info_request);
           
        }
        catch(e){}
        finally{}
    }
    return ok;
}
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);
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');
			http.onreadystatechange = reg_handleResponse;
			http.send('reg=1&name='+name+'&pwd='+pwd+'&email='+email+'&sex='+sex);
			
		}
		catch(e){}
		finally{}
	}
return ok;
}
// + ------------------------- +
// |        CHANGE INFO        |
// + ------------------------- +
function change_info_handleResponse() {
try {
	if((http.readyState == 4)&&(http.status == 200)){
		document.getElementById("change_info_loading").style.display = "none";
		var response = http.responseText;
		if (response) {
			document.getElementById("change_info_loading").innerHTML = response;
			document.getElementById("change_info_loading").style.display = "block";
		}
		else window.location.href = '?refresh=1';
	}
  	}
catch(e){}
finally{}
}
function change_info() {
email = encodeURIComponent(document.getElementById("u_email").value);
oldpwd = encodeURIComponent(document.getElementById("u_oldpwd").value);
newpwd_1 = encodeURIComponent(document.getElementById("u_newpwd_1").value);
newpwd_2 = encodeURIComponent(document.getElementById("u_newpwd_2").value);
h_sex = document.getElementById("hide_sex").checked;
h_email = document.getElementById("hide_email").checked;
s = document.getElementsByName("u_sex");
if (s[0].checked) sex = s[0].value;
if (s[1].checked) sex = s[1].value;
if(	trim(email) == "" )
	alert("Bạn chưa nhập đầy đủ thông tin");
else if (newpwd_1 != newpwd_2)
	alert("Xác nhận mật khẩu không đúng");
else {
	try{
		document.getElementById("change_info_loading").innerHTML = loadingText;
		document.getElementById("change_info_loading").style.display = "block";
		http.open('POST',  'index.php');
		http.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
		http.onreadystatechange = change_info_handleResponse;
		http.send('change_info=1&email='+email+'&oldpwd='+oldpwd+'&newpwd='+newpwd_1+'&sex='+sex+'&hide_sex='+h_sex+'&hide_email='+h_email);
	}
	catch(e){}
	finally{}
}
return false;
}
// + ----------------------------- +
// |        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";
		}
	}
  	}
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);
	}
	catch(e){}
	finally{}
}
return false;
}
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 gift(id,width,height) {
popup('gift.php?id='+id,'gift',width,height);
}
function comment(id,width,height) {
popup('comment.php?id='+id,'comment',width,height);
}
function receive_gift(id) {
window.location.href = '#Gift,'+id;
}
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');
	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 comment_handleResponse() {
try {
	if((http.readyState == 4)&&(http.status == 200)){
		var response = http.responseText;
		if (response == 'OK') {
			media_id = encodeURIComponent(document.getElementById("media_id").value);
			showComment(media_id);
		}
		else document.getElementById("comment_loading").innerHTML = response;
	}
  	}
catch(e){}
finally{}
}
function comment_check_values() {
media_id = encodeURIComponent(document.getElementById("media_id").value);
comment_content = encodeURIComponent(document.getElementById("comment_content").value);
if(trim(comment_content) == "")
	alert("Bạn chưa nhập cảm nhận");
//else if (comment_content.length > 255)
//	alert("Nội dung cảm nhận quá 255 ký tự.");
else {
	try {
		document.getElementById("comment_loading").innerHTML = loadingText;
		document.getElementById("comment_loading").style.display = "block";
		http.open('POST',  'comment.php');
		http.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
		http.onreadystatechange = comment_handleResponse;
		http.send('comment=1&media_id='+media_id+'&comment_content='+comment_content);
	}
	catch(e){}
	finally{}
}
return false;
}
function comment_delete(media_id,comment_id) {
if (confirm("Bạn có muốn xóa cảm nhận này không ?")) {
	document.getElementById("comment_loading").innerHTML = loadingText;
	document.getElementById("comment_loading").style.display = "block";
	http.open('POST',  'comment.php');
	http.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
	http.onreadystatechange = comment_handleResponse;
	http.send('delete=1&media_id='+media_id+'&comment_id='+comment_id);
}
return false;
}
function showDownload(ID,EncID) {
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');
	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;
}