Bug 4969: Do not jump to the top on click

Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>

Signed-off-by: Kyle M Hall <kyle@bywatersolutions.com>

koha-tmpl/intranet-tmpl/prog/en/modules/acqui/booksellers.tt

@@ -34,12 +34,14 @@ $(document).ready(function() {
         $(this).find("legend").html(legend);
     });
     $("#show_all_vendors").hide();
-    $("#show_active_vendors").click(function(){
+    $("#show_active_vendors").on('click', function(e){
+        e.preventDefault();
         $(".inactive").hide();
         $("#show_active_vendors").hide();
         $("#show_all_vendors").show();
     });
-    $("#show_all_vendors").click(function(){
+    $("#show_all_vendors").on('click', function(e){
+        e.preventDefault();
         $(".inactive").show();
         $("#show_all_vendors").hide();
         $("#show_active_vendors").show();