javascript:
var u=document.location.href;
var ai=u.indexOf('ASIN');
var asin=u.substring(ai+5,ai+15);
var title=document.title.substring(14);
var link='{{amazon(\''+asin+'\',\''+title+'\')}}';
var x = prompt('',link);

### amazon リンクの作成 (画像タイトル付き)
# usage: {{amazon_image('ASIN', 'Title', 'num')}}
sub amazon_image {
	my ($asin, $title, $num) = @_;
	my $prefix  = "http://amazon.co.jp/o/ASIN";
	my $suffix  = "xight-22/ref=nosim"; # アソシID使用時
	my $prefix2 = "http://images-jp.amazon.com/images/P";
	my $suffix2 = "MZZZZZZZ.jpg";
	if ($num ne '01'){
		$num = '09';
	}
	return qq(<a href="$prefix/$asin/$suffix" title="$title"><img src="$prefix2/$asin.$num.$suffix2" title="$title" /></a>);
}