function LoadLogin()
{   
  var ReturnUrl = window.location.href;    
  ReturnUrl = encodeURIComponent(ReturnUrl);   
  LoadLoginWithUrl(ReturnUrl);  
  return false;
}
function LoadLoginWithUrl(referralUrl)
{
  tb_remove(); 
  var height = 260;
  var width = 400;
  if(IsNetscapeBrowse())
  {
    height = 280;    
  }else{
    if(isIE6())
    {      
      width = 405;      
    }
    height= 280;   
  }
  var url = encodeURIComponent(referralUrl);   
  tb_show('Bạn vui lòng đăng nhập',APPLICATION_PATH +
   'Login.aspx?ReturnUrl='+url+'&TB_iframe=true&height='+height
   +'&width='+width);  
}
function LoadLogOut()
{
  if(confirm("Bạn có chắc chắn đăng xuất?"))
  {
    var returnUrl = encodeURIComponent(window.location.href);
    window.location.href = APPLICATION_PATH+'LogOut.aspx?ReturnUrl='+returnUrl; 
  }
  return false;
}

//Get cookie
function getCookie(name)
{
  var cookie = document.cookie;
  if(cookie==null) return null;
  var cookieArray = cookie.split(";");  
  var numEle = cookieArray.length;  
  for(var index = 0;index  < numEle;index++)
  {
    var idx = cookieArray[index].indexOf(name+'=');
    if(idx != -1)
    {
      var startIndex = name.length + idx +1;
      return cookieArray[index].substring(startIndex); 
    }
  }
  return null;
}
function IsLogin()
{
  var cookieValue = getCookie('tkaraokelyrics');  
 if(cookieValue==null)return false;
 return true;
}

function getValueOfElememtId(id)
{
  return getObject(id).value;
}

function getObject(id)
{
  return document.getElementById(id);
}

function AddSong()
{   
  return LoginAndRedirect("linkAddSong");
}
function isIE6(){
	var appVersion = navigator.appVersion;
	if((appVersion.indexOf('4.0 (compatible; MSIE 6.0;')!=-1) && (appVersion.indexOf('MSIE 7.0')==-1)){
		return 1;
	};
	return 0;
}
function IsNetscapeBrowse(){
  var browser=navigator.appName;  
  if (browser=="Netscape"){ return 1;}
  return 0
}

function AddAlbum(srid)
{
  if(!IsLogin())
  {
    LoadLogin();
    return false;
  }else
  {
    tb_remove();
    var obj = getObject("linkAddSong");
    var height = 400;
    var width = 500;
    tb_show('',APPLICATION_PATH +
   'AddAlbum.aspx?srid='+srid +'&TB_iframe=true&height='+height
   +'&width='+width+'&modal=true');  
  }   
  return false;
}

function SortSongListen()
{  
  var album = $("#idAlbum").val(); 
  var url = "SortSong.aspx?alid="+album ;    
  tb_remove();
  var height = 550;
  var width = 650;
   url = APPLICATION_PATH +
   url+ '&TB_iframe=true&height='+height
   +'&width='+width+'&modal=true';
    tb_show('',url);
   return false;
}

function LoginAndRedirect(el)
{
  if(IsLogin())
    return true;
  var obj = getObject(el);
  var referralUrl = obj.href;
  LoadLoginWithUrl(referralUrl);
  return false;  
}

function SongEdit()
{
  if(IsLogin())
    return true;
  var refererUrl = $(this).attr("href");  
  LoadLoginWithUrl(refererUrl);
  return false;
}

function isViewMember(ele)
{
  return LoginAndRedirect(ele);
}