var associateId = "rj2001net-22";

function yonda4Callback(getbooks) {
  var statusHTML = [];
  for (var i=0; i<getbooks.value.items.length; i++){
    var username = getbooks.value.items[i].user;
    var descriptionString = "";
    var descriptionArray = getbooks.value.items[i].description.split(" ");
    if( 1 in descriptionArray ) { descriptionString = descriptionArray[1]; }
    statusHTML.push('<li><a href="http://www.amazon.co.jp/exec/obidos/ASIN/' + getbooks.value.items[i].asin + '/' + associateId + '/">' + getbooks.value.items[i].title + '</a> <span style="font-size:85%">' + descriptionString + '</span></li>');
  }
  document.getElementById('yonda4_list').innerHTML = statusHTML.join('');
}