var nbimage= 50;
var width;
var height;
var url;
var alte;
function banniere()
{
numimage= Math.round(Math.random()*(nbimage-1)+1);
if (numimage <= 10)
{
gotosite = "";
url = "squelettes/images/header01.jpg";
alte = "";
}
if (numimage > 10 && numimage <= 20)
{
gotosite = "";
url = "squelettes/images/header02.jpg";
alte = "";
}
if (numimage > 20 && numimage <= 30)
{
gotosite = "";
url = "squelettes/images/header03.jpg";
alte = "";
}
if (numimage > 30 && numimage <= 40)
{
gotosite = "";
url = "squelettes/images/header04.jpg";
alte = "";
}
if (numimage > 40 && numimage <=50)
{
gotosite = "";
url = "squelettes/images/header05.jpg";
alte = "";
}
if (numimage > 50)
{
gotosite = "";
url = "squelettes/images/header06.jpg";
alte = "";
}
if(gotosite != "")
	{
	document.write ('<A HREF="' + gotosite + '">');	
	}
document.write('<IMG SRC="' + url + '" ALT="' + alte + '" BORDER=0>')
if(gotosite != "")
	{
	document.write('</A>')
	}
}