diff --git a/jquery.treeTable-ltr.js b/jquery.treeTable-ltr.js
new file mode 100644
index 0000000..847b8f3
--- /dev/null
+++ b/jquery.treeTable-ltr.js
@@ -0,0 +1,220 @@
+
+/*
+ * jQuery treeTable Plugin 2.3.0
+ * http://ludo.cubicphuse.nl/jquery-plugins/treeTable/
+ *
+ * Copyright 2010, Ludo van den Boom
+ * Dual licensed under the MIT or GPL Version 2 licenses.
+ */
+(function($) {
+  // Helps to make options available to all functions
+  // TODO: This gives problems when there are both expandable and non-expandable
+  // trees on a page. The options shouldn't be global to all these instances!
+  var options;
+  var defaultPaddingLeft;
+
+  $.fn.treeTable = function(opts) {
+    options = $.extend({}, $.fn.treeTable.defaults, opts);
+
+    return this.each(function() {
+      $(this).addClass("treeTable").find("tbody tr").each(function() {
+        // Initialize root nodes only if possible
+        if(!options.expandable || $(this)[0].className.search(options.childPrefix) == -1) {
+          // To optimize performance of indentation, I retrieve the padding-left
+          // value of the first root node. This way I only have to call +css+
+          // once.
+          if (isNaN(defaultPaddingLeft)) {
+            defaultPaddingLeft = parseInt($($(this).children("td")[options.treeColumn]).css('padding-left'), 10);
+          }
+
+          initialize($(this));
+        } else if(options.initialState == "collapsed") {
+          this.style.display = "none"; // Performance! $(this).hide() is slow...
+        }
+      });
+    });
+  };
+
+  $.fn.treeTable.defaults = {
+    childPrefix: "child-of-",
+    clickableNodeNames: false,
+    expandable: true,
+    indent: 19,
+    initialState: "collapsed",
+    treeColumn: 0
+  };
+
+  // Recursively hide all node's children in a tree
+  $.fn.collapse = function() {
+    $(this).addClass("collapsed");
+
+    childrenOf($(this)).each(function() {
+      if(!$(this).hasClass("collapsed")) {
+        $(this).collapse();
+      }
+
+      this.style.display = "none"; // Performance! $(this).hide() is slow...
+    });
+
+    return this;
+  };
+
+  // Recursively show all node's children in a tree
+  $.fn.expand = function() {
+    $(this).removeClass("collapsed").addClass("expanded");
+
+    childrenOf($(this)).each(function() {
+      initialize($(this));
+
+      if($(this).is(".expanded.parent")) {
+        $(this).expand();
+      }
+
+      // this.style.display = "table-row"; // Unfortunately this is not possible with IE :-(
+      $(this).show();
+    });
+
+    return this;
+  };
+
+  // Reveal a node by expanding all ancestors
+  $.fn.reveal = function() {
+    $(ancestorsOf($(this)).reverse()).each(function() {
+      initialize($(this));
+      $(this).expand().show();
+    });
+
+    return this;
+  };
+
+  // Add an entire branch to +destination+
+  $.fn.appendBranchTo = function(destination) {
+    var node = $(this);
+    var parent = parentOf(node);
+
+    var ancestorNames = $.map(ancestorsOf($(destination)), function(a) { return a.id; });
+
+    // Conditions:
+    // 1: +node+ should not be inserted in a location in a branch if this would
+    //    result in +node+ being an ancestor of itself.
+    // 2: +node+ should not have a parent OR the destination should not be the
+    //    same as +node+'s current parent (this last condition prevents +node+
+    //    from being moved to the same location where it already is).
+    // 3: +node+ should not be inserted as a child of +node+ itself.
+    if($.inArray(node[0].id, ancestorNames) == -1 && (!parent || (destination.id != parent[0].id)) && destination.id != node[0].id) {
+      indent(node, ancestorsOf(node).length * options.indent * -1); // Remove indentation
+
+      if(parent) { node.removeClass(options.childPrefix + parent[0].id); }
+
+      node.addClass(options.childPrefix + destination.id);
+      move(node, destination); // Recursively move nodes to new location
+      indent(node, ancestorsOf(node).length * options.indent);
+    }
+
+    return this;
+  };
+
+  // Add reverse() function from JS Arrays
+  $.fn.reverse = function() {
+    return this.pushStack(this.get().reverse(), arguments);
+  };
+
+  // Toggle an entire branch
+  $.fn.toggleBranch = function() {
+    if($(this).hasClass("collapsed")) {
+      $(this).expand();
+    } else {
+      $(this).removeClass("expanded").collapse();
+    }
+
+    return this;
+  };
+
+  // === Private functions
+
+  function ancestorsOf(node) {
+    var ancestors = [];
+    while(node = parentOf(node)) {
+      ancestors[ancestors.length] = node[0];
+    }
+    return ancestors;
+  };
+
+  function childrenOf(node) {
+    return $(node).siblings("tr." + options.childPrefix + node[0].id);
+  };
+
+  function getPaddingLeft(node) {
+    var paddingLeft = parseInt(node[0].style.paddingLeft, 10);
+    return (isNaN(paddingLeft)) ? defaultPaddingLeft : paddingLeft;
+  }
+
+  function indent(node, value) {
+    var cell = $(node.children("td")[options.treeColumn]);
+    cell[0].style.paddingLeft = getPaddingLeft(cell) + value + "px";
+
+    childrenOf(node).each(function() {
+      indent($(this), value);
+    });
+  };
+
+  function initialize(node) {
+    if(!node.hasClass("initialized")) {
+      node.addClass("initialized");
+
+      var childNodes = childrenOf(node);
+
+      if(!node.hasClass("parent") && childNodes.length > 0) {
+        node.addClass("parent");
+      }
+
+      if(node.hasClass("parent")) {
+        var cell = $(node.children("td")[options.treeColumn]);
+        var padding = getPaddingLeft(cell) + options.indent;
+
+        childNodes.each(function() {
+          $(this).children("td")[options.treeColumn].style.paddingLeft = padding + "px";
+        });
+
+        if(options.expandable) {
+          cell.prepend('<span style="margin-left: -' + options.indent + 'px; padding-left: ' + options.indent + 'px" class="expander"></span>');
+          $(cell[0].firstChild).click(function() { node.toggleBranch(); });
+
+          if(options.clickableNodeNames) {
+            cell[0].style.cursor = "pointer";
+            $(cell).click(function(e) {
+              // Don't double-toggle if the click is on the existing expander icon
+              if (e.target.className != 'expander') {
+                node.toggleBranch();
+              }
+            });
+          }
+
+          // Check for a class set explicitly by the user, otherwise set the default class
+          if(!(node.hasClass("expanded") || node.hasClass("collapsed"))) {
+            node.addClass(options.initialState);
+          }
+
+          if(node.hasClass("expanded")) {
+            node.expand();
+          }
+        }
+      }
+    }
+  };
+
+  function move(node, destination) {
+    node.insertAfter(destination);
+    childrenOf(node).reverse().each(function() { move($(this), node[0]); });
+  };
+
+  function parentOf(node) {
+    var classNames = node[0].className.split(' ');
+
+    for(key in classNames) {
+      if(classNames[key].match(options.childPrefix)) {
+        return $(node).siblings("#" + classNames[key].substring(options.childPrefix.length));
+      }
+    }
+  };
+})(jQuery);
diff --git a/jquery.treeTable-rtl.js b/jquery.treeTable-rtl.js
new file mode 100644
index 0000000..06854c9
--- /dev/null
+++ b/jquery.treeTable-rtl.js
@@ -0,0 +1,220 @@
+
+/*
+ * jQuery treeTable Plugin 2.3.0
+ * http://ludo.cubicphuse.nl/jquery-plugins/treeTable/
+ *
+ * Copyright 2010, Ludo van den Boom
+ * Dual licensed under the MIT or GPL Version 2 licenses.
+ */
+(function($) {
+  // Helps to make options available to all functions
+  // TODO: This gives problems when there are both expandable and non-expandable
+  // trees on a page. The options shouldn't be global to all these instances!
+  var options;
+  var defaultpaddingRight;
+
+  $.fn.treeTable = function(opts) {
+    options = $.extend({}, $.fn.treeTable.defaults, opts);
+
+    return this.each(function() {
+      $(this).addClass("treeTable").find("tbody tr").each(function() {
+        // Initialize root nodes only if possible
+        if(!options.expandable || $(this)[0].className.search(options.childPrefix) == -1) {
+          // To optimize performance of indentation, I retrieve the padding-left
+          // value of the first root node. This way I only have to call +css+
+          // once.
+          if (isNaN(defaultpaddingRight)) {
+            defaultpaddingRight = parseInt($($(this).children("td")[options.treeColumn]).css('padding-right'), 10);
+          }
+
+          initialize($(this));
+        } else if(options.initialState == "collapsed") {
+          this.style.display = "none"; // Performance! $(this).hide() is slow...
+        }
+      });
+    });
+  };
+
+  $.fn.treeTable.defaults = {
+    childPrefix: "child-of-",
+    clickableNodeNames: false,
+    expandable: true,
+    indent: 19,
+    initialState: "collapsed",
+    treeColumn: 0
+  };
+
+  // Recursively hide all node's children in a tree
+  $.fn.collapse = function() {
+    $(this).addClass("collapsed");
+
+    childrenOf($(this)).each(function() {
+      if(!$(this).hasClass("collapsed")) {
+        $(this).collapse();
+      }
+
+      this.style.display = "none"; // Performance! $(this).hide() is slow...
+    });
+
+    return this;
+  };
+
+  // Recursively show all node's children in a tree
+  $.fn.expand = function() {
+    $(this).removeClass("collapsed").addClass("expanded");
+
+    childrenOf($(this)).each(function() {
+      initialize($(this));
+
+      if($(this).is(".expanded.parent")) {
+        $(this).expand();
+      }
+
+      // this.style.display = "table-row"; // Unfortunately this is not possible with IE :-(
+      $(this).show();
+    });
+
+    return this;
+  };
+
+  // Reveal a node by expanding all ancestors
+  $.fn.reveal = function() {
+    $(ancestorsOf($(this)).reverse()).each(function() {
+      initialize($(this));
+      $(this).expand().show();
+    });
+
+    return this;
+  };
+
+  // Add an entire branch to +destination+
+  $.fn.appendBranchTo = function(destination) {
+    var node = $(this);
+    var parent = parentOf(node);
+
+    var ancestorNames = $.map(ancestorsOf($(destination)), function(a) { return a.id; });
+
+    // Conditions:
+    // 1: +node+ should not be inserted in a location in a branch if this would
+    //    result in +node+ being an ancestor of itself.
+    // 2: +node+ should not have a parent OR the destination should not be the
+    //    same as +node+'s current parent (this last condition prevents +node+
+    //    from being moved to the same location where it already is).
+    // 3: +node+ should not be inserted as a child of +node+ itself.
+    if($.inArray(node[0].id, ancestorNames) == -1 && (!parent || (destination.id != parent[0].id)) && destination.id != node[0].id) {
+      indent(node, ancestorsOf(node).length * options.indent * -1); // Remove indentation
+
+      if(parent) { node.removeClass(options.childPrefix + parent[0].id); }
+
+      node.addClass(options.childPrefix + destination.id);
+      move(node, destination); // Recursively move nodes to new location
+      indent(node, ancestorsOf(node).length * options.indent);
+    }
+
+    return this;
+  };
+
+  // Add reverse() function from JS Arrays
+  $.fn.reverse = function() {
+    return this.pushStack(this.get().reverse(), arguments);
+  };
+
+  // Toggle an entire branch
+  $.fn.toggleBranch = function() {
+    if($(this).hasClass("collapsed")) {
+      $(this).expand();
+    } else {
+      $(this).removeClass("expanded").collapse();
+    }
+
+    return this;
+  };
+
+  // === Private functions
+
+  function ancestorsOf(node) {
+    var ancestors = [];
+    while(node = parentOf(node)) {
+      ancestors[ancestors.length] = node[0];
+    }
+    return ancestors;
+  };
+
+  function childrenOf(node) {
+    return $(node).siblings("tr." + options.childPrefix + node[0].id);
+  };
+
+  function getpaddingRight(node) {
+    var paddingRight = parseInt(node[0].style.paddingRight, 10);
+    return (isNaN(paddingRight)) ? defaultpaddingRight : paddingRight;
+  }
+
+  function indent(node, value) {
+    var cell = $(node.children("td")[options.treeColumn]);
+    cell[0].style.paddingRight = getpaddingRight(cell) + value + "px";
+
+    childrenOf(node).each(function() {
+      indent($(this), value);
+    });
+  };
+
+  function initialize(node) {
+    if(!node.hasClass("initialized")) {
+      node.addClass("initialized");
+
+      var childNodes = childrenOf(node);
+
+      if(!node.hasClass("parent") && childNodes.length > 0) {
+        node.addClass("parent");
+      }
+
+      if(node.hasClass("parent")) {
+        var cell = $(node.children("td")[options.treeColumn]);
+        var padding = getpaddingRight(cell) + options.indent;
+
+        childNodes.each(function() {
+          $(this).children("td")[options.treeColumn].style.paddingRight = padding + "px";
+        });
+
+        if(options.expandable) {
+          cell.prepend('<span style="margin-right: -' + options.indent + 'px; padding-right: ' + options.indent + 'px" class="expander"></span>');
+          $(cell[0].firstChild).click(function() { node.toggleBranch(); });
+
+          if(options.clickableNodeNames) {
+            cell[0].style.cursor = "pointer";
+            $(cell).click(function(e) {
+              // Don't double-toggle if the click is on the existing expander icon
+              if (e.target.className != 'expander') {
+                node.toggleBranch();
+              }
+            });
+          }
+
+          // Check for a class set explicitly by the user, otherwise set the default class
+          if(!(node.hasClass("expanded") || node.hasClass("collapsed"))) {
+            node.addClass(options.initialState);
+          }
+
+          if(node.hasClass("expanded")) {
+            node.expand();
+          }
+        }
+      }
+    }
+  };
+
+  function move(node, destination) {
+    node.insertAfter(destination);
+    childrenOf(node).reverse().each(function() { move($(this), node[0]); });
+  };
+
+  function parentOf(node) {
+    var classNames = node[0].className.split(' ');
+
+    for(key in classNames) {
+      if(classNames[key].match(options.childPrefix)) {
+        return $(node).siblings("#" + classNames[key].substring(options.childPrefix.length));
+      }
+    }
+  };
+})(jQuery);
diff --git a/jquery.treeTable.js b/jquery.treeTable.js
deleted file mode 100644
index 847b8f3..0000000
--- a/jquery.treeTable.js
+++ /dev/null
@@ -1,220 +0,0 @@
-
-/*
- * jQuery treeTable Plugin 2.3.0
- * http://ludo.cubicphuse.nl/jquery-plugins/treeTable/
- *
- * Copyright 2010, Ludo van den Boom
- * Dual licensed under the MIT or GPL Version 2 licenses.
- */
-(function($) {
-  // Helps to make options available to all functions
-  // TODO: This gives problems when there are both expandable and non-expandable
-  // trees on a page. The options shouldn't be global to all these instances!
-  var options;
-  var defaultPaddingLeft;
-
-  $.fn.treeTable = function(opts) {
-    options = $.extend({}, $.fn.treeTable.defaults, opts);
-
-    return this.each(function() {
-      $(this).addClass("treeTable").find("tbody tr").each(function() {
-        // Initialize root nodes only if possible
-        if(!options.expandable || $(this)[0].className.search(options.childPrefix) == -1) {
-          // To optimize performance of indentation, I retrieve the padding-left
-          // value of the first root node. This way I only have to call +css+
-          // once.
-          if (isNaN(defaultPaddingLeft)) {
-            defaultPaddingLeft = parseInt($($(this).children("td")[options.treeColumn]).css('padding-left'), 10);
-          }
-
-          initialize($(this));
-        } else if(options.initialState == "collapsed") {
-          this.style.display = "none"; // Performance! $(this).hide() is slow...
-        }
-      });
-    });
-  };
-
-  $.fn.treeTable.defaults = {
-    childPrefix: "child-of-",
-    clickableNodeNames: false,
-    expandable: true,
-    indent: 19,
-    initialState: "collapsed",
-    treeColumn: 0
-  };
-
-  // Recursively hide all node's children in a tree
-  $.fn.collapse = function() {
-    $(this).addClass("collapsed");
-
-    childrenOf($(this)).each(function() {
-      if(!$(this).hasClass("collapsed")) {
-        $(this).collapse();
-      }
-
-      this.style.display = "none"; // Performance! $(this).hide() is slow...
-    });
-
-    return this;
-  };
-
-  // Recursively show all node's children in a tree
-  $.fn.expand = function() {
-    $(this).removeClass("collapsed").addClass("expanded");
-
-    childrenOf($(this)).each(function() {
-      initialize($(this));
-
-      if($(this).is(".expanded.parent")) {
-        $(this).expand();
-      }
-
-      // this.style.display = "table-row"; // Unfortunately this is not possible with IE :-(
-      $(this).show();
-    });
-
-    return this;
-  };
-
-  // Reveal a node by expanding all ancestors
-  $.fn.reveal = function() {
-    $(ancestorsOf($(this)).reverse()).each(function() {
-      initialize($(this));
-      $(this).expand().show();
-    });
-
-    return this;
-  };
-
-  // Add an entire branch to +destination+
-  $.fn.appendBranchTo = function(destination) {
-    var node = $(this);
-    var parent = parentOf(node);
-
-    var ancestorNames = $.map(ancestorsOf($(destination)), function(a) { return a.id; });
-
-    // Conditions:
-    // 1: +node+ should not be inserted in a location in a branch if this would
-    //    result in +node+ being an ancestor of itself.
-    // 2: +node+ should not have a parent OR the destination should not be the
-    //    same as +node+'s current parent (this last condition prevents +node+
-    //    from being moved to the same location where it already is).
-    // 3: +node+ should not be inserted as a child of +node+ itself.
-    if($.inArray(node[0].id, ancestorNames) == -1 && (!parent || (destination.id != parent[0].id)) && destination.id != node[0].id) {
-      indent(node, ancestorsOf(node).length * options.indent * -1); // Remove indentation
-
-      if(parent) { node.removeClass(options.childPrefix + parent[0].id); }
-
-      node.addClass(options.childPrefix + destination.id);
-      move(node, destination); // Recursively move nodes to new location
-      indent(node, ancestorsOf(node).length * options.indent);
-    }
-
-    return this;
-  };
-
-  // Add reverse() function from JS Arrays
-  $.fn.reverse = function() {
-    return this.pushStack(this.get().reverse(), arguments);
-  };
-
-  // Toggle an entire branch
-  $.fn.toggleBranch = function() {
-    if($(this).hasClass("collapsed")) {
-      $(this).expand();
-    } else {
-      $(this).removeClass("expanded").collapse();
-    }
-
-    return this;
-  };
-
-  // === Private functions
-
-  function ancestorsOf(node) {
-    var ancestors = [];
-    while(node = parentOf(node)) {
-      ancestors[ancestors.length] = node[0];
-    }
-    return ancestors;
-  };
-
-  function childrenOf(node) {
-    return $(node).siblings("tr." + options.childPrefix + node[0].id);
-  };
-
-  function getPaddingLeft(node) {
-    var paddingLeft = parseInt(node[0].style.paddingLeft, 10);
-    return (isNaN(paddingLeft)) ? defaultPaddingLeft : paddingLeft;
-  }
-
-  function indent(node, value) {
-    var cell = $(node.children("td")[options.treeColumn]);
-    cell[0].style.paddingLeft = getPaddingLeft(cell) + value + "px";
-
-    childrenOf(node).each(function() {
-      indent($(this), value);
-    });
-  };
-
-  function initialize(node) {
-    if(!node.hasClass("initialized")) {
-      node.addClass("initialized");
-
-      var childNodes = childrenOf(node);
-
-      if(!node.hasClass("parent") && childNodes.length > 0) {
-        node.addClass("parent");
-      }
-
-      if(node.hasClass("parent")) {
-        var cell = $(node.children("td")[options.treeColumn]);
-        var padding = getPaddingLeft(cell) + options.indent;
-
-        childNodes.each(function() {
-          $(this).children("td")[options.treeColumn].style.paddingLeft = padding + "px";
-        });
-
-        if(options.expandable) {
-          cell.prepend('<span style="margin-left: -' + options.indent + 'px; padding-left: ' + options.indent + 'px" class="expander"></span>');
-          $(cell[0].firstChild).click(function() { node.toggleBranch(); });
-
-          if(options.clickableNodeNames) {
-            cell[0].style.cursor = "pointer";
-            $(cell).click(function(e) {
-              // Don't double-toggle if the click is on the existing expander icon
-              if (e.target.className != 'expander') {
-                node.toggleBranch();
-              }
-            });
-          }
-
-          // Check for a class set explicitly by the user, otherwise set the default class
-          if(!(node.hasClass("expanded") || node.hasClass("collapsed"))) {
-            node.addClass(options.initialState);
-          }
-
-          if(node.hasClass("expanded")) {
-            node.expand();
-          }
-        }
-      }
-    }
-  };
-
-  function move(node, destination) {
-    node.insertAfter(destination);
-    childrenOf(node).reverse().each(function() { move($(this), node[0]); });
-  };
-
-  function parentOf(node) {
-    var classNames = node[0].className.split(' ');
-
-    for(key in classNames) {
-      if(classNames[key].match(options.childPrefix)) {
-        return $(node).siblings("#" + classNames[key].substring(options.childPrefix.length));
-      }
-    }
-  };
-})(jQuery);
diff --git a/token-rtl.css b/token-rtl.css
new file mode 100644
index 0000000..655a63a
--- /dev/null
+++ b/token-rtl.css
@@ -0,0 +1,7 @@
+.token-tree {
+  margin-left: 0;
+  margin-right: 19px;
+}
+.treeTable tr.collapsed td .expander {
+  background-image: url(arrow-left.png);
+}
\ No newline at end of file
diff --git a/token.module b/token.module
index 56e3ceb..3e108e8 100644
--- a/token.module
+++ b/token.module
@@ -163,12 +163,13 @@ function token_theme() {
  */
 function token_library() {
   // jQuery treeTable plugin.
+  global $language;
   $libraries['treeTable'] = array(
     'title' => 'jQuery treeTable',
     'website' => 'http://plugins.jquery.com/project/treetable',
     'version' => '2.3.0',
     'js' => array(
-      drupal_get_path('module', 'token') . '/jquery.treeTable.js' => array(),
+      drupal_get_path('module', 'token') . '/jquery.treeTable'.($language->direction ? '-rtl' : '-ltr').'.js' => array(),
     ),
     'css' => array(
       drupal_get_path('module', 'token') . '/jquery.treeTable.css' => array(),
