diff --git a/site/app_model.php b/site/app_model.php
index 79b0b10..456b381 100644
--- a/site/app_model.php
+++ b/site/app_model.php
@@ -221,8 +221,7 @@ class AppModel extends Model {
     echo ' <A HREF="#" onclick="$' . "('#{$pr_trace_id}').slideToggle(); return false;" . '">stack</A>'.";\n";
 
     echo " this ";
-    echo '<A HREF="#" onclick="$' . "('#{$pr_output_id}').slideDown(); return false;" . '">s</A>'."/";
-    echo '<A HREF="#" onclick="$' . "('#{$pr_output_id}').slideUp(); return false;" . '">h</A>'."/";
+    echo '<A HREF="#" onclick="$' . "('#{$pr_output_id}').slideToggle(); return false;" . '">t</A>'."/";
     echo '<A HREF="#" onclick="$' . "('#{$pr_id}').hide(); return false;" . '">n</A>'.";\n";
 
     echo " $class ";