diff --git a/workflow/engine/skinEngine/base/css/xtheme-gray.css b/workflow/engine/skinEngine/base/css/xtheme-gray.css
index 12557f9d9..b244f5c16 100755
--- a/workflow/engine/skinEngine/base/css/xtheme-gray.css
+++ b/workflow/engine/skinEngine/base/css/xtheme-gray.css
@@ -47,7 +47,7 @@
     background-color: #eaeaea;
 }
 
-.x-color-palette em:hover, .x-color-palette span:hover{   
+.x-color-palette em:hover, .x-color-palette span:hover{
     background-color: #eaeaea;
 }
 
@@ -419,8 +419,8 @@ ul.x-tab-strip-bottom{
     background-image:url(/images/ext/default/button/s-arrow-noline.gif);
 }
 
-.x-toolbar .x-btn-over .x-btn-mc em.x-btn-split, .x-toolbar .x-btn-click .x-btn-mc em.x-btn-split, 
-.x-toolbar .x-btn-menu-active .x-btn-mc em.x-btn-split, .x-toolbar .x-btn-pressed .x-btn-mc em.x-btn-split 
+.x-toolbar .x-btn-over .x-btn-mc em.x-btn-split, .x-toolbar .x-btn-click .x-btn-mc em.x-btn-split,
+.x-toolbar .x-btn-menu-active .x-btn-mc em.x-btn-split, .x-toolbar .x-btn-pressed .x-btn-mc em.x-btn-split
 {
     background-image:url(/images/ext/gray/button/s-arrow-o.gif);
 }
@@ -429,8 +429,8 @@ ul.x-tab-strip-bottom{
     background-image:url(/images/ext/default/button/s-arrow-b-noline.gif);
 }
 
-.x-toolbar .x-btn-over .x-btn-mc em.x-btn-split-bottom, .x-toolbar .x-btn-click .x-btn-mc em.x-btn-split-bottom, 
-.x-toolbar .x-btn-menu-active .x-btn-mc em.x-btn-split-bottom, .x-toolbar .x-btn-pressed .x-btn-mc em.x-btn-split-bottom 
+.x-toolbar .x-btn-over .x-btn-mc em.x-btn-split-bottom, .x-toolbar .x-btn-click .x-btn-mc em.x-btn-split-bottom,
+.x-toolbar .x-btn-menu-active .x-btn-mc em.x-btn-split-bottom, .x-toolbar .x-btn-pressed .x-btn-mc em.x-btn-split-bottom
 {
     background-image:url(/images/ext/gray/button/s-arrow-bo.gif);
 }
@@ -816,7 +816,7 @@ td.x-grid3-hd-over .x-grid3-hd-inner, td.sort-desc .x-grid3-hd-inner, td.sort-as
 }
 
 .x-tree-node-leaf .x-tree-node-icon{
-	background-image:url(/images/ext/default/tree/leaf.gif);
+	background-image:url(/images/ext/default/tree/folder.gif);
 }
 
 .x-tree-node-collapsed .x-tree-node-icon{
@@ -1320,7 +1320,7 @@ a.x-menu-item {
 
 .x-panel-header {
     color:#333;
-	font-weight:bold; 
+	font-weight:bold;
     font-size: 11px;
     font-family: tahoma,arial,verdana,sans-serif;
     border-color:#d0d0d0;
diff --git a/workflow/engine/skinEngine/uxmodern/css/xtheme-gray.css b/workflow/engine/skinEngine/uxmodern/css/xtheme-gray.css
index 12557f9d9..b244f5c16 100644
--- a/workflow/engine/skinEngine/uxmodern/css/xtheme-gray.css
+++ b/workflow/engine/skinEngine/uxmodern/css/xtheme-gray.css
@@ -47,7 +47,7 @@
     background-color: #eaeaea;
 }
 
-.x-color-palette em:hover, .x-color-palette span:hover{   
+.x-color-palette em:hover, .x-color-palette span:hover{
     background-color: #eaeaea;
 }
 
@@ -419,8 +419,8 @@ ul.x-tab-strip-bottom{
     background-image:url(/images/ext/default/button/s-arrow-noline.gif);
 }
 
-.x-toolbar .x-btn-over .x-btn-mc em.x-btn-split, .x-toolbar .x-btn-click .x-btn-mc em.x-btn-split, 
-.x-toolbar .x-btn-menu-active .x-btn-mc em.x-btn-split, .x-toolbar .x-btn-pressed .x-btn-mc em.x-btn-split 
+.x-toolbar .x-btn-over .x-btn-mc em.x-btn-split, .x-toolbar .x-btn-click .x-btn-mc em.x-btn-split,
+.x-toolbar .x-btn-menu-active .x-btn-mc em.x-btn-split, .x-toolbar .x-btn-pressed .x-btn-mc em.x-btn-split
 {
     background-image:url(/images/ext/gray/button/s-arrow-o.gif);
 }
@@ -429,8 +429,8 @@ ul.x-tab-strip-bottom{
     background-image:url(/images/ext/default/button/s-arrow-b-noline.gif);
 }
 
-.x-toolbar .x-btn-over .x-btn-mc em.x-btn-split-bottom, .x-toolbar .x-btn-click .x-btn-mc em.x-btn-split-bottom, 
-.x-toolbar .x-btn-menu-active .x-btn-mc em.x-btn-split-bottom, .x-toolbar .x-btn-pressed .x-btn-mc em.x-btn-split-bottom 
+.x-toolbar .x-btn-over .x-btn-mc em.x-btn-split-bottom, .x-toolbar .x-btn-click .x-btn-mc em.x-btn-split-bottom,
+.x-toolbar .x-btn-menu-active .x-btn-mc em.x-btn-split-bottom, .x-toolbar .x-btn-pressed .x-btn-mc em.x-btn-split-bottom
 {
     background-image:url(/images/ext/gray/button/s-arrow-bo.gif);
 }
@@ -816,7 +816,7 @@ td.x-grid3-hd-over .x-grid3-hd-inner, td.sort-desc .x-grid3-hd-inner, td.sort-as
 }
 
 .x-tree-node-leaf .x-tree-node-icon{
-	background-image:url(/images/ext/default/tree/leaf.gif);
+	background-image:url(/images/ext/default/tree/folder.gif);
 }
 
 .x-tree-node-collapsed .x-tree-node-icon{
@@ -1320,7 +1320,7 @@ a.x-menu-item {
 
 .x-panel-header {
     color:#333;
-	font-weight:bold; 
+	font-weight:bold;
     font-size: 11px;
     font-family: tahoma,arial,verdana,sans-serif;
     border-color:#d0d0d0;
diff --git a/workflow/engine/skinEngine/uxs/css/xtheme-gray.css b/workflow/engine/skinEngine/uxs/css/xtheme-gray.css
index 12557f9d9..b244f5c16 100644
--- a/workflow/engine/skinEngine/uxs/css/xtheme-gray.css
+++ b/workflow/engine/skinEngine/uxs/css/xtheme-gray.css
@@ -47,7 +47,7 @@
     background-color: #eaeaea;
 }
 
-.x-color-palette em:hover, .x-color-palette span:hover{   
+.x-color-palette em:hover, .x-color-palette span:hover{
     background-color: #eaeaea;
 }
 
@@ -419,8 +419,8 @@ ul.x-tab-strip-bottom{
     background-image:url(/images/ext/default/button/s-arrow-noline.gif);
 }
 
-.x-toolbar .x-btn-over .x-btn-mc em.x-btn-split, .x-toolbar .x-btn-click .x-btn-mc em.x-btn-split, 
-.x-toolbar .x-btn-menu-active .x-btn-mc em.x-btn-split, .x-toolbar .x-btn-pressed .x-btn-mc em.x-btn-split 
+.x-toolbar .x-btn-over .x-btn-mc em.x-btn-split, .x-toolbar .x-btn-click .x-btn-mc em.x-btn-split,
+.x-toolbar .x-btn-menu-active .x-btn-mc em.x-btn-split, .x-toolbar .x-btn-pressed .x-btn-mc em.x-btn-split
 {
     background-image:url(/images/ext/gray/button/s-arrow-o.gif);
 }
@@ -429,8 +429,8 @@ ul.x-tab-strip-bottom{
     background-image:url(/images/ext/default/button/s-arrow-b-noline.gif);
 }
 
-.x-toolbar .x-btn-over .x-btn-mc em.x-btn-split-bottom, .x-toolbar .x-btn-click .x-btn-mc em.x-btn-split-bottom, 
-.x-toolbar .x-btn-menu-active .x-btn-mc em.x-btn-split-bottom, .x-toolbar .x-btn-pressed .x-btn-mc em.x-btn-split-bottom 
+.x-toolbar .x-btn-over .x-btn-mc em.x-btn-split-bottom, .x-toolbar .x-btn-click .x-btn-mc em.x-btn-split-bottom,
+.x-toolbar .x-btn-menu-active .x-btn-mc em.x-btn-split-bottom, .x-toolbar .x-btn-pressed .x-btn-mc em.x-btn-split-bottom
 {
     background-image:url(/images/ext/gray/button/s-arrow-bo.gif);
 }
@@ -816,7 +816,7 @@ td.x-grid3-hd-over .x-grid3-hd-inner, td.sort-desc .x-grid3-hd-inner, td.sort-as
 }
 
 .x-tree-node-leaf .x-tree-node-icon{
-	background-image:url(/images/ext/default/tree/leaf.gif);
+	background-image:url(/images/ext/default/tree/folder.gif);
 }
 
 .x-tree-node-collapsed .x-tree-node-icon{
@@ -1320,7 +1320,7 @@ a.x-menu-item {
 
 .x-panel-header {
     color:#333;
-	font-weight:bold; 
+	font-weight:bold;
     font-size: 11px;
     font-family: tahoma,arial,verdana,sans-serif;
     border-color:#d0d0d0;