function choosenobooks(form){
if(form.nobooks.checked == true) {
form.Author1.value = "No Books";
form.Title1.value = "X";
form.ISBN1.value = "X";
form.Publisher1.value = "X";
form.Edition1.value = "X";
form.cover1.value = "X";
form.Type1.value = "X";
form.Author2.value = "";
form.Title2.value = "";
form.ISBN2.value = "";
form.Publisher2.value = "";
form.Edition2.value = "";
form.cover2.value = "";
form.Type2.value = "";
form.Author3.value = "";
form.Title3.value = "";
form.ISBN3.value = "";
form.Publisher3.value = "";
form.Edition3.value = "";
form.cover3.value = "";
form.Type3.value = "";
form.Author4.value = "";
form.Title4.value = "";
form.ISBN4.value = "";
form.Publisher4.value = "";
form.Edition4.value = "";
form.cover4.value = "";
form.Type4.value = "";
form.Author5.value = "";
form.Title5.value = "";
form.ISBN5.value = "";
form.Publisher5.value = "";
form.Edition5.value = "";
form.cover5.value = "";
form.Type5.value = "";
form.Author6.value = "";
form.Title6.value = "";
form.ISBN6.value = "";
form.Publisher6.value = "";
form.Edition6.value = "";
form.cover6.value = "";
form.Type6.value = "";
form.Author7.value = "";
form.Title7.value = "";
form.ISBN7.value = "";
form.Publisher7.value = "";
form.Edition7.value = "";
form.cover7.value = "";
form.Type7.value = "";
}
else {
form.Author1.value = "";
form.Title1.value = "";
form.ISBN1.value = "";
form.Publisher1.value = "";
form.Edition1.value = "";
form.cover1.value = "";
form.Type1.value = "";
}
}