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("Votre navigateur ne supporte pas les objets XMLHTTPRequest..."); xhr = false; } 
	return xhr;
}
function pagination(numpage, nbpage, villes, idpays, tot) {
	var xhr; var send; var reponse; xhr = getXhr();
	var nbp='nbp'+numpage;
	for ( var i=1; i<=nbpage; i++ ) {
        document.getElementById('nbp'+i).className='grasnormal';
    }
	xhr.onreadystatechange = function() {		
        if(xhr.readyState == 4 && xhr.status == 200) { reponse = xhr.responseText;
            if(reponse != '') { document.getElementById(nbp).className='gras';
                document.getElementById("listjou").innerHTML=xhr.responseText; } }
    }
    send = "nbp="+numpage+"&villes="+villes+"&idpays="+idpays+"&tot="+tot;
    xhr.open("POST","listjou.php",true);
    xhr.setRequestHeader('Content-Type','application/x-www-form-urlencoded'); xhr.send(send);
}
function affmen(id) {
    document.getElementById(id+"1").innerHTML=document.getElementById(id+"2").innerHTML;
}
function gras(id) {
    document.getElementById(id).style.fontWeight="bold";
}
function affichesm(id) {
    document.getElementById(id).style.display="block";
}
function effacesm(id) {
    document.getElementById(id).style.display="none";
}
function chcoul(id) {
    document.getElementById(id).style.backgroundColor="#523810";
}
function chcoul2(id) {
    document.getElementById(id).style.backgroundColor="#B58642";
}