function addToFavorites() {
	if (document.all) { window.external.AddFavorite(location.href, document.title); }
	else { alert('Vous pouvez faire CTRL + D pour ajouter cette page dans vos signets, ou favoris.') }
}

function opacity(id,opc) {
	document.getElementById(id).style.filter = "alpha(Opacity="+opc+")";
	document.getElementById(id).style.opacity = opc/100;
}

function page(cat) {
	new Ajax.Updater('page', 'index.php', {parameters:'categorie=' + encodeURIComponent(cat), asynchronous:true, evalScripts:true});
}

function retour() {
	history.go(-1);	
}

function qte_moins(champ) {
	champ2 = champ + "_2";
	qte = document.getElementById(champ).value;
	document.getElementById(champ).value = Number(qte) - 1;
	document.getElementById(champ2).value = Number(qte) - 1;
	frmsubmit('recalc');
}

function qte_plus(champ) {
	champ2 = champ + "_2";
	qte = document.getElementById(champ).value;
	document.getElementById(champ).value = Number(qte) + 1;
	document.getElementById(champ2).value = Number(qte) + 1;
	frmsubmit('recalc');
}

function OpenWin(URL,width,height,nom) {
	window.open(URL,nom,"toolbar=no,location=no,status=no,menubar=no,scrollbars=yes,width=" + width + ",height=" + height + ",resizable=no");
}

function OpenWin2(URL,width,height,nom) {
	window.open(URL,nom,"toolbar=no,location=no,status=no,menubar=no,scrollbars=yes,width=" + width + ",height=" + height + ",resizable=yes");
}

function DisplayZoomPopUp(url) {
	window.open(url,'Zoom','height=500,width=500,left=0,top=0,scrollbars=yes');
}

function creerRequete() {
    try {
        requete = new XMLHttpRequest();
    } catch (microsoft) {
        try {
            requete = new ActiveXObject('Msxml2.XMLHTTP');
        }
        catch(autremicrosoft) {
            try {
                requete = new ActiveXObject('Microsoft.XMLHTTP');
            } catch(echec) {
                requete = null;
            }
        }
    }
    if(requete == null) {
        alert('Impossible de crŽer l\'objet requ�te,\nVotre navigateur ne semble pas supporter les object XMLHttpRequest.');
    }
}


function calculerr(){
	idDistance = document.getElementById('distance').value;
	idNb_heure = document.getElementById('nb_heure').value;
	creerRequete();
	var url = 'scripts/prix.php?idDistance='+idDistance+'&idNb_heure='+idNb_heure;
	
	requete.open('GET', url, true);
	
	requete.onreadystatechange = function() {
		if(requete.readyState == 4) {
			if(requete.status == 200) {
				document.getElementById('prix').innerHTML = requete.responseText;
			}
		}
	};
	
	requete.send(null);
}