// The AJAX function...

function AJAX(){
try{
xmlHttp=new XMLHttpRequest(); // Firefox, Opera 8.0+, Safari
return xmlHttp;
}
catch (e){
try{
xmlHttp=new ActiveXObject("Msxml2.XMLHTTP"); // Internet Explorer
return xmlHttp;
}
catch (e){
try{
xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
return xmlHttp;
}
catch (e){
alert("Your browser does not support AJAX.");
return false;
}
}
}
}

// Timestamp for preventing IE caching the GET request (common function)

function fetch_unix_timestamp()
{
 return parseInt(new Date().getTime().toString().substring(0, 10))
}

////////////////////////////////
//
// Refreshing the DIV TIMEDIV
//
////////////////////////////////

function changeLike(str){

// Customise those settings


var divid = "setLike";
var url = "http://www.cicciozilla.net/ville/setLike.php";

// Create xmlHttp

var xmlHttp_star = AJAX();

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


// The code...

xmlHttp_star.onreadystatechange=function(){
  if(xmlHttp_star.readyState==4){
    document.getElementById(divid).innerHTML=xmlHttp_star.responseText;
  }
}
xmlHttp_star.open("GET",url,true);
xmlHttp_star.send(null);
}