function addBook(t,a)
{
  book[book.length] = {title: t, author: a};	
}

var book = [];


/* add books in format
 * addBook("The Dragon Waiting","John M. Ford");
 */
addBook("Jonathan Strange and Mr Norrell", "Susanna Clarke");

if (book.length == 0 ) {
  document.write("<i>Nothing at the moment...</i><br>");
}
for (var i = 0; i <book.length; i++)
{
  document.write("<u>" + book[i].title + "</u> - "+book[i].author+"<br>");
}