* code for task#1659.

www/js/my.full.js

@@ -293,8 +293,7 @@ function toggleHelpLink()
  */
 function toggleTreeBox()
 {
-    var treeSliderH = $(window).height() - $('#header').height() - $('#navbar').height() - $('#featurebar').height() - $('#footer').height() - 150;
-
+    var treeSliderH = 50;
     $('.treeSlider').height(treeSliderH);
     $('.treeSlider').toggle
     (

www/theme/default/style.css

@@ -352,17 +352,18 @@ table.tablesorter thead tr .headerSortDown {background-image: url(./images/table
 .treeSlider
 {
   position:absolute; 
-  background-color: #ddd; 
+  background-color: #bbb; 
   background-repeat: repeat-x; 
-  border: 1px solid #ddd; 
+  border: 1px solid #bbb; 
+  border-left:none;
   cursor: pointer; 
   width: 8px; 
-  left:-15px;
+  left:-16px;
   border-radius:0px 10px 10px 0px
 }
 .treeSlider span { 
   position:absolute; 
-  top:50%; 
+  top:40%; 
   left:2px; 
   border-bottom: 4px solid transparent; 
   border-top: 4px solid transparent;