abp add-art fix?

diff --git a/addart/components/addart.js b/addart/components/addart.js
index 6e1a596..fe5563d 100755
--- a/addart/components/addart.js
+++ b/addart/components/addart.js
@@ -106,11 +106,23 @@ org.eyebeam.addArt.component = {
   init: function() {
     // Retrieve ABP component
     var abp = null;
-    try {
-      abp = Components.classes["@mozilla.org/adblockplus;1"].createInstance();
-      if (abp && !("policy" in abp))
-        abp = abp.wrappedJSObject;    // Unwrap ABP component
-    } catch(e) {}
+    if ("@adblockplus.org/abp/public;1" in Components.classes)
+    {
+      // Adblock Plus 1.3 or higher
+      var abpURL = Components.classes["@adblockplus.org/abp/public;1"]
+                             .getService(Components.interfaces.nsIURI);
+      Components.utils.import(abpURL.spec);
+    }
+    else if ("@mozilla.org/adblockplus;1" in Components.classes)
+    {
+      // Adblock Plus 1.2.x or below
+      abp = Components.classes["@mozilla.org/adblockplus;1"]
+                              .createInstance().wrappedJSObject;
+    }
+    else
+    {
+      // Adblock Plus is not installed
+    }
 
     if (!abp)
       return;
@@ -248,4 +260,4 @@ org.eyebeam.addArt.component = {
 
     throw Components.results.NS_ERROR_NO_INTERFACE;
   }
-};
\ No newline at end of file
+};