function MM_openBrWindow(URL,windowName, width, height, center) {
xposition=0; 
yposition=0;

params = "width=" + width + ","
    + "height=" + height + ","
    + "location=0,"
    + "screenx=" + xposition + ","
    + "screeny=" + yposition + ","
    + "left=" + xposition + "," 
    + "top=" + yposition;

    window.open(URL, windowName,params);
}

function MM_openBrWindow02(URL,windowName, width, height, center) {
xposition=0; 
yposition=0;

params = "width=" + width + ","
    + "height=" + height + ","
    + "location=0,"
    + "scrollbars=0,"
    + "screenx=" + xposition + ","
    + "screeny=" + yposition + ","
    + "left=" + xposition + "," 
    + "top=" + yposition;

    window.open(URL, windowName,params);
}


var win = null;
function NewWindow(mypage,myname,w,h,scroll){
LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
TopPosition = (screen.height) ? (screen.height-h)/2 : 0;
settings =
'height='+h+',width='+w+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll+',resizable,'
win = window.open(mypage,myname,settings)
}



function AfficherDate() {
	navvers = navigator.appVersion.substring(0,1);
	if (navvers > 3)
		navok = true;
	else
		navok = false;
	
	today = new Date;
	jour = today.getDay();
	numero = today.getDate();
	if (numero<10)
		numero = "0"+numero;
	mois = today.getMonth();
	if (navok)
		annee = today.getFullYear();
	else
		annee = today.getYear();
	TabJour = new Array("Dimanche","Lundi","Mardi","Mercredi","Jeudi","Vendredi","Samedi");
	TabMois = new Array("janvier","f&eacute;vrier","mars","avril","mai","juin","juillet","aout","septembre","octobre","novembre","d&eacute;cembre");
	messageDate = TabJour[jour] + " " + numero + " " + TabMois[mois] + " " + annee;
	
	document.write(messageDate);
}


<!--
function verif() {
 
	var i
	i=0
	var message
	message=""
	 
	if (document.form1.nom.value =="")
		{
		message=message+"- Merci de renseigner votre Nom     \n\n"
		i++
		}
	if (document.form1.prenom.value =="")
		{
		message=message+"- Merci de renseigner votre Prenom     \n\n"
		i++
		}
	if (document.form1.email.value =="")
		{
		message=message+"- Merci de renseigner votre E-mail    \n\n"
		i++
		}
	if (document.form1.commentaires.value =="")
		{
		message=message+"- Merci de preciser votre message    \n\n"
		i++
		}
	
	if (i>0)
		{
		alert(message)
		return false
		}
}

function ChangeUrl(formulaire)
	{
	if (formulaire.ListeUrl.selectedIndex != 0)
		{
		window.location.href = formulaire.ListeUrl.options[formulaire.ListeUrl.selectedIndex].value;
	 	}
	else 
		{
		alert('Veuillez choisir une destination.');
		}
	}