index = 0;
var imageNames = new Array("./nav_open.gif","./nav_open.gif");

var bannerURL = new Array("http://www./……/xxx.html","http://www./……/xxx.html");

var altNames = new Array("=(・。.・)=","=(・。.・)=");


function init()

{

	var num = imageNames.length;

	rand = Math.floor(Math.random()*num);

	document.write('<A HREF="' + bannerURL[rand] + '">');

	document.write('<IMG SRC="' + imageNames[rand] + '" ALT="' + altNames[rand] + '" WIDTH=391 HEIGHT=50 BORDER=0 NAME="banner">');

	document.write('</A>');

}