function bd_getUserId(base_url) 
{
		var http_request=new_http_request();
		if (!http_request) 
		{
			alert('Abandon :( Impossible de créer une instance XMLHTTP');
			return false;
		}
		http_request.onreadystatechange = function() { getUserIdResponse(http_request); };
		var url_to_call='http://'+base_url+'/index.php/bedeo/bd_criteo/bd_getUserId/';
		http_request.open('GET', url_to_call, true);
		http_request.send(null);
}

function getUserIdResponse(http_request) 
{
	if (http_request.readyState == 4) 
	{
		if (http_request.status == 200) 
		{
			var plop0=http_request.responseText;
			var plop1=plop0.split("|BEGIN|");
			var plop2=plop1[1].split("|END|");
			var plop3=plop2[0];
			
			document.getElementById('bd_user_id').innerHTML=plop3;
		} 
	}
}