added some comments to image-preloading code

Signed-off-by: Andreas Unterkircher <unki@netshadow.at>

1 files changed, 7 insertions, 1 deletions

diff --git a/themes/default/templates/photo_index.tpl b/themes/default/templates/photo_index.tpl
index 7fe04ab..fa63b31 100644
--- a/themes/default/templates/photo_index.tpl
+++ b/themes/default/templates/photo_index.tpl
@@ -135,7 +135,13 @@
 <br class="cb" />
 <script type="text/javascript" language="JavaScript">
 <!--
-   /*** image preloading ***/
+   // image preloading
+   //
+   // these few javascript lines will try to speed up loading all the photo
+   // thumbnails. An array of all photos to display will be built written
+   // by the smarty-template. The js-code will then loop through this array
+   // and invoke loading of each photo. Sadly this does not work good on all
+   // browsers.
    { counter start=-1 }
 
    var current;