// JavaScript Document

var xmlHttp;

function countv(id)
{

xmlHttp=GetXmlHttpObject();

var url="visiter_site.php";
url=url+"?id_site="+id;
xmlHttp.open("GET",url,true);
xmlHttp.send(null);
} 


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;
}