Fix the author searching if there is no first name and change the hint text

Author: ericvaandering

DocDB/cgi/AuthorHTML.pm

@@ -344,7 +344,7 @@ sub AuthorActiveSearch {
   $HTML .= '<ul id="authors_id_span"></ul>'."\n";
   $HTML .= '</div>'."\n";
   $HTML .= '<input id="author_dummy" class="hidden required" type="checkbox" value="dummy" name="authors" />'."\n";
-  $HTML .= '<input name="authors_selection_text" type="text" id="authors_selector"><br /> (click or press <i>Enter</i>)'."\n";
+  $HTML .= '<input name="authors_selection_text" type="text" id="authors_selector"><br /> (type to search and<br/>click or press <i>Enter</i>)'."\n";
 
   $HTML .= '<script type="text/javascript">
             <!--

DocDB/html/js/AuthorSearch.js

@@ -70,6 +70,8 @@ jQuery().ready(function() {
         };
 
         function matchSubset_starts(s, sub) {
+            if (s === undefined || s === null)
+                return false;
             if (!options.matchCase)
                 s = s.toLowerCase();
             var i = s.indexOf(sub);
@@ -178,6 +180,8 @@ jQuery().ready(function() {
 
                     /* Match second name with highest priority, first name with lower, and other with lowest */
                     function parse_first_last_names(s){
+                        if (s.indexOf(",") == -1)
+                           return {first:"", last:s};
                         first = s.split(",")[1];
                         last = s.split(",")[0];
                         /* TODO: is always comma available ? */