var xmlHttp;

function ulubiona_piosenka(int)
 {
  xmlHttp=GetXmlHttpObject();

  if (xmlHttp==null)
 {
 alert ("Browser does not support HTTP Request");
 return;
 } 

  var url="ulubione.php";
  url=url+"?co=piosenka&id="+int;
  url=url+"&sid="+Math.random();
  xmlHttp.onreadystatechange=stateChanged;
  xmlHttp.open("GET",url,true);
  xmlHttp.send(null);
 } 

function stateChanged() 
{ 
 if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
 { 
 document.getElementById("ulubiona_piosenka").
 innerHTML=xmlHttp.responseText;
 } 
} 

function GetXmlHttpObject()
{ 
var objXMLHttp=null;
if (window.XMLHttpRequest)
 {
 objXMLHttp=new XMLHttpRequest();
 }
else if (window.ActiveXObject)
 {
 objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP");
 }
return objXMLHttp;
}