[website] website: preload hover images for tabs

[Theodore Dubois]

Fixes bug #18344.

Signed-off-by: Theodore Dubois <tblodt at icloud.com>
---
 utils.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/utils.js b/utils.js
index 1d20f17..b2fc8c4 100644
--- a/utils.js
+++ b/utils.js
@@ -16,6 +16,10 @@ $(document).ready(function()
             $("#tabs li").pngfix(); /* top tabs li backgrounds */
         });
     }
+    
+    // preload tab hover image
+    var tab_h_image = new Image();
+    tab_h_image.src = "/images/tab_h.png";
 });
 
 // done
-- 
2.1.1