function getXhr(){
var xhr = null; 
	if(window.XMLHttpRequest)
	   xhr = new XMLHttpRequest(); 
	else if(window.ActiveXObject){ 
	   try {
				xhr = new ActiveXObject("Msxml2.XMLHTTP");
			} catch (e) {
				xhr = new ActiveXObject("Microsoft.XMLHTTP");
			}
	}
	else {
	   alert("Veuillez changer de navigateur pour utiliser ce site."); 
	   xhr = false; 
	} 
					return xhr;
}
//--------------------------------------------
//--------------------------------------------
//--------------------------------------------

function player()
{
window.open("player.php","","width=400,height=300,screenX=100,screenY=100");
}
// --


function ecouter()
{

	go("?p=ecouter","general","general");
}

function contact()
{
	go("?p=contact","general","general");
}

function surhp(h,m,d,lim)
{
	go("?p=surhp&date="+d+"&h="+h+"&m="+m+"&lim="+lim,"general","general");
}


function encemoment(t)
{
	if (t == 0) div = "encemoment";
	else  div = "player_aff";
	
	go("?p=encemoment&type="+t,div,div);
	
	window.setTimeout("encemoment("+t+")",5000);
}


function titre_encemoment()
{
	go("?p=titre_encemoment","titre","titre");
	
	window.setTimeout("titre_encemoment()",5000);
}


function go(page_get,pointer,loader)
{
var xhr = getXhr();
xhr.onreadystatechange = function(){
	if(xhr.readyState == 4 && xhr.status == 200)
	{
		rep = xhr.responseText;
		
		if (rep != "nochange" && pointer != "titre") document.getElementById(pointer).innerHTML = rep;
		else if (pointer == "titre") document.title = "Hit party - Le player - " + rep;
	}
	else if(xhr.readyState == 1 && loader != "encemoment" && loader != "player_aff" && loader != "titre") document.getElementById(loader).innerHTML = "<br><br><br><br><center>Chargement en cours...</center>";
}


xhr.open("POST","ajax.php"+page_get,true);
xhr.setRequestHeader('Content-Type','application/x-www-form-urlencoded');

xhr.send(null);
}