var nbimage=1080;
var width;
var height;
var url;
var alte;
function banniere()
{
numimage= Math.round(Math.random()*(nbimage-1)+1);
numimage=Math.ceil(numimage/10);

if (numimage < 10)
{
gotosite = "";
url = "../../img/bannieres/banniere_00" + numimage + ".jpg";
alte = "";
}
else if (numimage < 100)
{
gotosite = "";
url = "../../img/bannieres/banniere_0" + numimage + ".jpg";
alte = "";
}
else
{
gotosite = "";
url = "../../img/bannieres/banniere_" + numimage + ".jpg";
alte = "";
}

if(gotosite != "")
	{
	document.write ('<A HREF="' + gotosite + '">');	
	}
document.write('<IMG SRC="' + url + '" ALT="' + alte + '" BORDER=0>')
if(gotosite != "")
	{
	document.write('</A>')
	}
}