fixed BUG-43, change author and edit link updates now

templates/book.html

@@ -25,6 +25,15 @@
 
 <script>
 
+// when we choose a new author from the drop-down list, then we need to change
+// the associated href
+function ChgAuth(cnt)
+{
+    aid=$("#author-"+cnt).val()
+    console.log("new auth id="+aid)
+    $("#author-edit-"+cnt).attr( 'onclick', "window.location.href='/author/" + aid + "'" )
+}
+
 function ConfirmRemoveParentAndSubsFromSeries(pid,bid,rem)
 {
 	$('#dbox-title').html('Confirm: Removing Parent Book from Series')
@@ -263,7 +272,7 @@ function AddAuthorToBook(num) {
                                         <use xlink:href="{{url_for('static', filename='icons.svg')}}#edit"/>
                                     </svg>
                             </button>
-                            <select class="form-select input-group-append" name="author-{{cnt.idx}}" id="author-{{cnt.idx}}">
+                            <select class="form-select input-group-append" name="author-{{cnt.idx}}" id="author-{{cnt.idx}}" onChange="ChgAuth({{cnt.idx}})">
                             {% for auth in author_list %}
                                 {% set aname=auth.surname+", "+auth.firstnames %}
                                 <option value="{{auth.id}}"