var bookMe = document.location.toString();
var bookID = bookMe.indexOf(".htm");
var catalogIDN = bookMe.indexOf("catalog");
bookMe = bookMe.substring(catalogIDN+7, bookID);
var book_info = "<td class=news_text width=100%><strong>"+catalog[bookMe]+"</strong><br>Συγγραφέας: <a href=writer"+catalog_author[bookMe]+".htm class=news_text>"+authors[catalog_author[bookMe]]+"</a><br>Έτος έκδοσης: <a href=catalog.htm?year="+reYear[bookMe]+" class=news_text>"+reYear[bookMe]+"</a><br>"+Borm[bookMe]+": "+Serial[bookMe]+"<br>Διαστάσεις: "+dimensions[bookMe]+" εκ.<br>Αριθμός σελίδων: "+pages[bookMe]+"<br> Τιμή: "+price[bookMe]+"&euro;</td></tr>";
book_cover.src = "images/books/"+bookMe+".jpg";
book_cover.width = 100;
book_cover.height = bookThH[bookMe];
document.title += ": "+catalog[bookMe];

document.write(book_info);