Index: misc/tabledrag.js
===================================================================
RCS file: /cvs/drupal/drupal/misc/tabledrag.js,v
retrieving revision 1.9
diff -u -r1.9 tabledrag.js
--- misc/tabledrag.js	6 Dec 2007 09:53:53 -0000	1.9
+++ misc/tabledrag.js	12 Dec 2007 04:15:26 -0000
@@ -47,6 +47,7 @@
   this.oldY = 0; // Used to determine up or down direction from last mouse move.
   this.changed = false; // Whether anything in the entire table has changed.
   this.maxDepth = 0; // Maximum amount of allowed parenting.
+  this.rtl = 1 // -1 if the current language is right-to-left.
 
   // Configure the scroll settings.
   this.scrollSettings = { amount: 4, interval: 50, trigger: 70 };
@@ -66,6 +67,9 @@
       if (tableSettings[group][n]['limit'] > 0) {
         this.maxDepth = tableSettings[group][n]['limit'];
       }
+      if (tableSettings[group][n]['rtl'] == 1) {
+        this.rtl = -1;
+      }
     }
   }
   if (this.indentEnabled) {
@@ -255,7 +259,7 @@
       case 37: // Left arrow.
       case 63234: // Safari left arrow.
         keyChange = true;
-        self.rowObject.indent(-1);
+        self.rowObject.indent(-1 * self.rtl);
         break;
       case 38: // Up arrow.
       case 63232: // Safari up arrow.
@@ -282,7 +286,7 @@
       case 39: // Right arrow.
       case 63235: // Safari right arrow.
         keyChange = true;
-        self.rowObject.indent(1);
+        self.rowObject.indent(1 * self.rtl);
         break;
       case 40: // Down arrow.
       case 63233: // Safari down arrow.
@@ -379,7 +383,7 @@
       self.oldX = x;
       var xDiff = self.currentMouseCoords.x - self.dragObject.indentMousePos.x;
       // Set the number of indentations the mouse has been moved left or right.
-      var indentDiff = parseInt(xDiff / self.indentAmount);
+      var indentDiff = parseInt(xDiff / self.indentAmount * self.rtl);
       // Limit the indentation to no less than the left edge of the table and no
       // more than the total amount of indentation in the table.
       indentDiff = indentDiff > 0 ? Math.min(indentDiff, self.indentCount - self.rowObject.indents + 1) : Math.max(indentDiff, -self.rowObject.indents);
@@ -389,7 +393,7 @@
         var indentChange = self.rowObject.indent(indentDiff);
 
         // Update table and mouse indentations.
-        self.dragObject.indentMousePos.x += self.indentAmount * indentChange;
+        self.dragObject.indentMousePos.x += self.indentAmount * indentChange * self.rtl;
         self.indentCount = Math.max(self.indentCount, self.rowObject.indents);
       }
     }
Index: modules/system/system-rtl.css
===================================================================
RCS file: /cvs/drupal/drupal/modules/system/system-rtl.css,v
retrieving revision 1.10
diff -u -r1.10 system-rtl.css
--- modules/system/system-rtl.css	4 Dec 2007 10:52:16 -0000	1.10
+++ modules/system/system-rtl.css	12 Dec 2007 04:15:26 -0000
@@ -102,3 +102,6 @@
   padding: 0.42em 0.6em 0.42em 0;
   float: right;
 }
+div.tree-child, div.tree-child-last {
+  background-position: -65px center;
+}
Index: modules/system/system.css
===================================================================
RCS file: /cvs/drupal/drupal/modules/system/system.css,v
retrieving revision 1.44
diff -u -r1.44 system.css
--- modules/system/system.css	4 Dec 2007 10:52:16 -0000	1.44
+++ modules/system/system.css	12 Dec 2007 04:15:26 -0000
@@ -52,10 +52,10 @@
   float: left; /* LTR */
 }
 div.tree-child {
-  background: url(../../misc/tree.png) no-repeat 11px center;
+  background: url(../../misc/tree.png) no-repeat 11px center; /* LTR */
 }
 div.tree-child-last {
-  background: url(../../misc/tree-bottom.png) no-repeat 11px center;
+  background: url(../../misc/tree-bottom.png) no-repeat 11px center; /* LTR */
 }
 div.tree-child-horizontal {
   background: url(../../misc/tree.png) no-repeat -11px center;
Index: includes/common.inc
===================================================================
RCS file: /cvs/drupal/drupal/includes/common.inc,v
retrieving revision 1.733
diff -u -r1.733 common.inc
--- includes/common.inc	8 Dec 2007 14:06:20 -0000	1.733
+++ includes/common.inc	12 Dec 2007 04:15:26 -0000
@@ -2145,6 +2145,8 @@
  */
 function drupal_add_tabledrag($table_id, $action, $relationship, $group, $subgroup = NULL, $source = NULL, $hidden = TRUE, $limit = 0) {
   static $js_added = FALSE;
+  global $language;
+
   if (!$js_added) {
     drupal_add_js('misc/tabledrag.js', 'core');
     $js_added = TRUE;
@@ -2160,6 +2162,7 @@
     'action' => $action,
     'hidden' => $hidden,
     'limit' => $limit,
+    'rtl' => $language->direction,
   );
   drupal_add_js($settings, 'setting');
 }