Amazon Associate Link Bookmarklet

bookmarket.js

javascript:(function()%7Bassociate_tag%3D%27fourspace-20%27%3Blink%3D%27http://amazon.com/dp/%27%2Bdocument.getElementById(%27ASIN%27).value%2B%27/%3Ftag%3D%27%2Bassociate_tag%3Bwindow.prompt(%22Copy%20to%20clipboard:%22,link)%3B%7D)()%3B

code.js

// Replace with your associate_tag
// 
// NOTE: There's no way to automatically copy to clipboard, so we use a prompt() instead
associate_tag = 'fourspace-20';
link = 'http://amazon.com/dp/' + document.getElementById('ASIN').value + '/?tag=' + associate_tag;
window.prompt ("Copy to clipboard:", link);