arg doc.referer doesnt work :(

index.html

@@ -106,11 +106,9 @@ THE SOFTWARE.
 	if (location_hash_params.indexOf('gist') !== -1 && location_hash_params.length >= 2) {
         var index = location_hash_params.indexOf('gist');
         var gistId;
-        var key = location_hash_params[1];
+        var key = location_hash_params[index+1];
         if (key === '') {
             gistId = getGistId( prompt("Enter the gist url or id you'd like to load.") );            
-        } else if (key === "referer") {
-            gistId = getGistId( document.referer );
         } else {
             gistId = getGistId( key );
         }