var nbimage= 20;
var width;
var height;
var url;
var alte;
function banniere()
{
numimage= Math.round(Math.random()*(nbimage-1)+1);
if (numimage <= 10)
{
// gotosite = "../../../../../../../../../Commun_GP/Qualite_environnement/Qualite_environnement3.html";
//url = "../../../../../../../../../Commun_GP/Bandeau_anime/Bandeau.gif"; 
gotosite = "";
url = "../../../../../../../../../Commun_GP/Bandeau_anime/Bandeau.gif";
}
if (numimage > 10)
{
// gotosite = "../../../../../../../../../Commun_GP/Qualite_environnement/Qualite_environnement3.html";
//url = "../../../../../../../../../Commun_GP/Bandeau_anime/Bandeau.gif"; 
gotosite = "";
url = "../../../../../../../../../Commun_GP/Bandeau_anime/Bandeau.gif";
}
if (numimage > 10)
{
//gotosite = "../../../../../../../../../Commun_GP/Catalogue/Produits/Bardages/SilverwoodExtra/SilverwoodExtra.html";
//url = "../../../../../../../../../Commun_GP/Bandeau_anime/Bandeau_SilverwoodExtra.gif";
}
if(gotosite != "")
	{
	document.write ('<table width="100%" border="0" cellspacing="0" cellpadding="0"><tr><td><A HREF="' + gotosite + '">');	
	}
document.write('<IMG SRC="' + url + '" BORDER=0>')
if(gotosite != "")
	{
	document.write('</A></td></tr></table>')
	}
}