// Function to process GBS info and update the DOM.
      function ProcessGBSBookInfo(booksInfo) {
        for (isbn in booksInfo) {
         var element = document.getElementById(isbn);
         var bookInfo = booksInfo[isbn];
             if (bookInfo) {
           element.href = bookInfo.preview_url;
           if (bookInfo.preview == "full") {
             element.style.display = '';
		element.innerHTML = 'View on Google Book Search';
          }
           if (bookInfo.preview == "partial") {
             element.style.display = '';
		element.innerHTML = 'Preview on Google Book Search';
          }
         }
       }

     }