function footerBanner() {
document.write('<style type="text/css">',
'#banner_space{height: 159px; background: url(../images/foot_bn_bg.jpg) no-repeat top center;}',
'#banner_block{position: relative; width: 924px; margin: 0 auto;}',
'.banner{width: 924px; margin: 0 auto; padding: 90px 0 20px 0; text-align: center;}',
'.banner img{margin: 0 0 0 10px;}',
'#to_page_top{position: absolute; top: 6px; left: 820px; width: 75px; height: 61px;}',
'.pt_btn{width: 75px; height: 61px; margin: 0; padding: 0; text-indent: -9999px; background: url(../images/spacer.gif) no-repeat;}',
'.pt_btn a{display: block; width: 75px; height: 61px; background: url(../images/spacer.gif) no-repeat;}',
'.pt_btn a:hover{width: 75px; background: url(../images/pagetop_btn_on.jpg) no-repeat;}',
'<\/style>');
document.write('<div id="footer_bn_area"><div id="banner_space">',
'<div id="banner_block">',
'<div id="to_page_top"><div class="pt_btn"><a href="#pagetop" title="ページのTOPへ">ページのTOPへ<\/a><\/div><\/div>',
'<div class="banner">',
'<a href="https://www.nhk-ondemand.jp/" target="_blank"><img src="../images/bn_ondemand.gif" width="130" height="43" alt="ＮＨＫオンデマンド"><\/a>',
'<a href="http://www3.nhk.or.jp/gatten/" target="_blank"><img src="../images/bn_gatten.gif" width="130" height="43" alt="ためしてガッテン"><\/a>',
'<a href="http://www.nhk.or.jp/itwb/" target="_blank"><img src="../images/bn_itwb.gif" width="130" height="43" alt="ＩＴホワイトボックス"><\/a>',
'<\/div><\/div>',
'<\/div><\/div>');
}