var amazonid_list = "Books Music DVD Video Electronics Software VideoGames Kitchen Toys SportingGoods Watches Baby Apparel";
var amazonids = amazonid_list.split(' ');
var seesaa_amazon_id = amazonids.splice(Math.floor(Math.random() * amazonids.length), 1);
var frame_width  = 180;
var frame_height = 460;

document.write('<ifr' + 'ame name="amazon" src="http://blog.seesaa.jp/pages/affiliate/amazon.pl?'
                      + 'associate_tag='  + seesaa_affiliate_id
                      + '&search_index='  + seesaa_amazon_id
		      + '"');
document.write(' width="'  + frame_width  + '"' +
	       ' height="' + frame_height + '"' +
	       ' scrolling="no" frameborder="no" marginwidth="0" marginheight="0" allowTransparency="true"></ifr' + 'ame>');