var nbimage= 100;
var width;
var height;
var url;
var alte;
function banniere()
{
numimage= Math.round(Math.random()*(nbimage-1)+1);
if (numimage <= 10)
{
gotosite = "";
url = "nav-salle-cave/1.gif";
alte = "salles";
}
if (numimage > 10 && numimage <= 20)
{
gotosite = "";
url = "nav-salle-cave/2.gif";
alte = "salles 2";
}
if (numimage > 20 && numimage <= 30)
{
gotosite = "";
url = "nav-salle-cave/3.gif";
alte = "salles";
}
if (numimage > 30 && numimage <= 40)
{
gotosite = "";
url = "nav-salle-cave/4.gif";
alte = "salles";
}
if (numimage > 40 && numimage <= 50)
{
gotosite = "";
url = "nav-salle-cave/5.gif";
alte = "salles";
}
if (numimage > 50 && numimage <= 60)
{
gotosite = "";
url = "nav-salle-cave/6.gif";
alte = "salles";
}
if (numimage > 60 && numimage <= 70)
{
gotosite = "";
url = "nav-salle-cave/7.gif";
alte = "salles";
}
if (numimage > 70 && numimage <= 80)
{
gotosite = "";
url = "nav-salle-cave/8.gif";
alte = "salles";
}
if (numimage > 80 && numimage <= 90)
{
gotosite = "";
url = "nav-salle-cave/9.gif";
alte = "salles";
}
if (numimage > 90)
{
gotosite = "";
url = "nav-salle-cave/10.gif";
alte = "salles";
}
if(gotosite != "")
	{
	document.write ('<A HREF="' + gotosite + '">');	
	}
document.write('<IMG SRC="' + url + '" ALT="' + alte + '" BORDER=0>')
if(gotosite != "")
	{
	document.write('</A>')
	}
}

function PopupCentrer(page,largeur,hauteur,options) {
  var top=(screen.height-hauteur)/2;
  var left=(screen.width-largeur)/2;
  window.open(page,"","top="+top+",left="+left+",width="+largeur+",height="+hauteur+","+options);
}