var xmlHttp

function PlaySong(str)
{ 
if(str == '')
{
return;
}

xmlHttp=GetXmlHttpObject();
if (xmlHttp==null)
  {
  alert ("Your browser does not support AJAX!");
  return;
  } 

var url="playsong.asp";
url=url+"?id="+str;
url=url+"&sid="+Math.random();

xmlHttp.onreadystatechange=stateChanged;
xmlHttp.open("GET",url,true);
xmlHttp.send(null);
}

function stateChanged() 
{ 
if (xmlHttp.readyState==4)
{ 

if (xmlHttp.status == 200 || xmlHttp.status == 304)
    {
	document.getElementById("divPlayer").innerHTML=xmlHttp.responseText;
	document.getElementById('divPlayer').scrollIntoView(true);
	//document.getElementById('divShare').style.display = '';
    }
    else
    {
	document.getElementById("divPlayer").innerHTML="Connect to server failed... !";
    }
}
}

function GetXmlHttpObject()
{
var xmlHttp=null;
try
  {
  // Firefox, Opera 8.0+, Safari
  xmlHttp=new XMLHttpRequest();
  }
catch (e)
  {
  // Internet Explorer
  try
    {
    xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
    }
  catch (e)
    {
    xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
    }
  }
return xmlHttp;
}

function ShowHideLyric()
{
obj = document.getElementById('_fullLiricShwn');
    if (obj.style.display == 'none')    
    {
		obj.style.display = '';
		document.getElementById('_showhidelyric').innerHTML = '<img src="images/minus.gif" style="border:0px; vertical-align:middle"> Rút gọn';
		document.getElementById('_lyricbar').scrollIntoView(true);
	}
	else  {
		obj.style.display = 'none';
		document.getElementById('_showhidelyric').innerHTML = '<img src="images/plus.gif" style="border:0px; vertical-align:middle"> Xem thêm';
		document.getElementById('divPlayer').scrollIntoView(true);
	}
}