var load  = new Array();
var logos = new Array();
logos = ['utilisateurs.gif', 'ce.gif', 'cnce.gif', 'boonty.gif', 'vivacances.gif', 'idtronic.gif', 'cdiscount.gif' , 'nomatica.gif', 'cnce.gif', 'paybox.gif', 'digital-shopping.gif', 'clients.gif', 'digistore.gif', 'florajet.gif', 'ij3l.gif', 'mecarun.gif', 'pecheur.gif', 'pharmadiscount.gif', 'planetediscount.gif', 'slotandgo.gif', 'sonvideo.gif', 'valios.gif', 'vipinformatique.gif', 'zoe.gif', 'zoomici.gif'];
for (i = 0; i <logos.length; i++) {
	if (!load[i]) {
		load[i] = new Image();
		load[i].src = "img/random/c_" + logos[i];
	}
}

function rand_number(n) {
	var x;
	x=Math.round(Math.random()*100);
	x%=n;
	return x;
}

function changeImg() {
	speed = 1000;
	document.images['logos'].src = load[rand_number(logos.length)].src;
	setTimeout('changeImg()', speed)
}