plain-reload: Scroll down at document load.

When visiting the tail-reload page, for a short amount of time the
"unscrolled" version is shown. To circumvent that, let's scroll down
immediately at the first possibility to fill the gap between the loading
of the document and the first AJAX request coming in.

Signed-off-by: aszlig <aszlig@redmoonstudios.org>

src/root/plain-reload.tt

@@ -9,18 +9,23 @@
 
 [% IF reload %]
 <script>
+function scrollDown() {
+    $("#contents").scrollTop($("#contents").get(0).scrollHeight);
+}
+
 function injectTail() {
     $.ajax({
         url: "[% url %]",
         dataType: "text",
         success: function (tail) {
             $("#contents").text(tail);
-            $("#contents").scrollTop($("#contents").get(0).scrollHeight);
+            scrollDown();
         }
     });
 }
 
 $(document).ready(function() {
+    scrollDown();
     injectTail();
     setInterval(injectTail, 5000);
 });