var bannerHtmls = new Array
(
	// EASY
	 "<iframe src=\"http://rcm-jp.amazon.co.jp/e/cm?t=rumix-22&o=9&p=13&l=ez&f=ifr&f=ifr\" width=\"468\" height=\"60\" scrolling=\"no\" marginwidth=\"0\" marginheight=\"0\" border=\"0\" frameborder=\"0\" style=\"border:none;\"></iframe>"
	// PS3
	,"<iframe src=\"http://rcm-jp.amazon.co.jp/e/cm?t=rumix-22&o=9&p=13&l=st1&mode=videogames-jp&search=PS3&nou=1&fc1=&lt1=_blank&lc1=&bg1=&f=ifr\" marginwidth=\"0\" marginheight=\"0\" width=\"468\" height=\"60\" border=\"0\" frameborder=\"0\" style=\"border:none;\" scrolling=\"no\"></iframe>"
	// WII
	,"<iframe src=\"http://rcm-jp.amazon.co.jp/e/cm?t=rumix-22&o=9&p=13&l=st1&mode=videogames-jp&search=Wii&nou=1&fc1=&lt1=_blank&lc1=&bg1=&f=ifr\" marginwidth=\"0\" marginheight=\"0\" width=\"468\" height=\"60\" border=\"0\" frameborder=\"0\" style=\"border:none;\" scrolling=\"no\"></iframe>"
	// BOOK
	,"<iframe src=\"http://rcm-jp.amazon.co.jp/e/cm?t=rumix-22&o=9&p=13&l=bn1&mode=books-jp&browse=202188011&fc1=000000&lt1=&lc1=3366FF&bg1=FFFFFF&f=ifr\" marginwidth=\"0\" marginheight=\"0\" width=\"468\" height=\"60\" border=\"0\" frameborder=\"0\" style=\"border:none;\" scrolling=\"no\"></iframe>"
	// GAME
	,"<iframe src=\"http://rcm-jp.amazon.co.jp/e/cm?t=rumix-22&o=9&p=13&l=bn1&mode=videogames-jp&browse=637394&nou=1&fc1=000000&lt1=_blank&lc1=3366FF&bg1=FFFFFF&f=ifr\" marginwidth=\"0\" marginheight=\"0\" width=\"468\" height=\"60\" border=\"0\" frameborder=\"0\" style=\"border:none;\" scrolling=\"no\"></iframe>"
	// DVD
	,"<iframe src=\"http://rcm-jp.amazon.co.jp/e/cm?t=rumix-22&o=9&p=13&l=bn1&mode=dvd-jp&browse=561958&nou=1&fc1=000000&lt1=_blank&lc1=3366FF&bg1=FFFFFF&f=ifr\" marginwidth=\"0\" marginheight=\"0\" width=\"468\" height=\"60\" border=\"0\" frameborder=\"0\" style=\"border:none;\" scrolling=\"no\"></iframe>"
	// CD
	,"<iframe src=\"http://rcm-jp.amazon.co.jp/e/cm?t=rumix-22&o=9&p=13&l=bn1&mode=music-jp&browse=202765011&nou=1&fc1=000000&lt1=_blank&lc1=3366FF&bg1=FFFFFF&f=ifr\" marginwidth=\"0\" marginheight=\"0\" width=\"468\" height=\"60\" border=\"0\" frameborder=\"0\" style=\"border:none;\" scrolling=\"no\"></iframe>"
);

function writeAd()
{
	var maxValue = bannerHtmls.length;

	var value = maxValue * Math.random();
	
	if (value == 0.0) {
		value = 1;
	}
	else {
		value = Math.ceil(value);
	}

	var pos = value - 1;
	document.write(bannerHtmls[pos]);
}
