/*
Popup centrer
*/ 
function popupCentrer(url,nom,largeur,hauteur,options) {
	if (largeur=='') { largeur=screen.width-15; var l='ok'; }
	if (hauteur=='') { hauteur=screen.height-60; var h='ok'; }
	var haut=(screen.height-hauteur)/2-20;
	var gauche=(screen.width-largeur)/2;
	if (h=='ok') haut=0;
	if (l=='ok') gauche=0;
	fencent=window.open(url,nom,"top="+haut+",left="+gauche+",width="+largeur+",height="+hauteur+","+options);
	fencent.focus();
}


/*
Image aleatoire
*/
function banniere()
{
var nbimage= 30;
var width;
var height;
var url;
var alte;
numimage= Math.round(Math.random()*(nbimage-1)+1);
if (numimage <= 10)
{
gotosite = "";
url = "image/banniere0.gif";
alte = "";
}
if (numimage > 10 && numimage <= 20)
{
gotosite = "";
url = "image/banniere1.gif";
alte = "";
}
if (numimage > 20)
{
gotosite = "";
url = "image/banniere2.gif";
alte = "";
}
if(gotosite != "")
	{
	document.write ('<A HREF="' + gotosite + '">');	
	}
document.write('<IMG ID="banniere" SRC="' + url + '" ALT="' + alte + '" BORDER=0>')
if(gotosite != "")
	{
	document.write('</A>')
	}
}

function changeBanniere()
{
var nbimage= 30;
var width;
var height;
var url;
var alte;

numimage= Math.round(Math.random()*(nbimage-1)+1);
if (numimage <= 10)
{
gotosite = "";
url = "image/banniere0.gif";
alte = "";
}
if (numimage > 10 && numimage <= 20)
{
gotosite = "";
url = "image/banniere1.gif";
alte = "";
}
if (numimage > 20)
{
gotosite = "";
url = "image/banniere2.gif";
alte = "";
}

if (parent.frames[0].document.getElementById('banniere')) {
	parent.frames[0].document.getElementById('banniere').src=url;
}
}


/*
Gestion de la fleche du menu
*/
function effaceFlecheMenu() {
var i=0;
	while (parent.frames[1].document.images[i]) {
		var a=parent.frames[1].document.images[i].id;
		var b=/imgArtMenu[0-9]*/;
		var c=/imgRubMenu[0-9]*/;
		if ( b.test(a) || c.test(a) )
		parent.frames[1].document.images[i].src='image/spacer.gif';
		i++;
	}
}

function activeFlecheMenu(lien) {
	if (parent.frames[1].document.getElementById(lien)) {
		if ( !parent.frames[1].document.getElementById(lien) ) {
			setTimeout("parent.frames[1].document.getElementById(lien).src = 'image/puce.gif';",2500)
		}
		else parent.frames[1].document.getElementById(lien).src = 'image/puce.gif';
	}
}