// ISBNからネット書店リンク文字列を作成する

function ISBNlink(isbn) { 
AMAZON = 'http://www.amazon.co.jp/gp/redirect.html?ie=UTF8&location=http%3A%2F%2Fwww.amazon.co.jp%2Fgp%2Fproduct%2F';
AMAZONID = '%2F&tag=alisatonokura-22&linkCode=ur2&camp=247&creative=1211';
BK1    = 'http://www.bk1.co.jp/cgi-bin/srch/srch_result_book.cgi?aid=p-arisato0003&idx=3&isbn=';
YAHOO  = 'http://books.yahoo.co.jp/book_search/isbn?os=1&isbn=';
SEVENY  = 'http://7andy.yahoo.co.jp/books/search_result?&code=';
BOOPLE = 'http://click.linksynergy.com/fs-bin/statform?id=2I7c2ugIzsY&offerid=33310&bnid=2&subid=0&ifc=4&ifr=';

isbn = isbn.replace(/ISBN/g, '');
isbn1 = isbn.replace(/-/g, '');

amazon_uri = AMAZON + isbn1 + AMAZONID;
bk1_uri = BK1 + isbn;
boople_uri = BOOPLE + isbn1;
yahoo_uri = YAHOO + isbn;
seven_uri = SEVENY + isbn;

str = '【';
str = str + '<a href="' + amazon_uri + '" target="new">amazon</a>';
str = str + '/';
str = str + '<a href="' + boople_uri + '" target="new">Boople</a>';
str = str + '/';
str = str + '<a href="' + yahoo_uri   + '" target="new">Yahoo</a>';
str = str + '/';
str = str + '<a href="' + bk1_uri    + '" target="new">bk1</a>';
str = str + '/';
str = str + '<a href="' + seven_uri   + '" target="new">7andY</a>';
str = str + '】';
str = str + '<img src="http://www.assoc-amazon.jp/e/ir?t=alisatonokura-22&amp;l=ur2&amp;o=9" width="1" height="1" border="0" alt="">';

document.write(str); 
}