diff --git a/TODO b/TODO
index 5fa596f5..61105c3c 100644
--- a/TODO
+++ b/TODO
@@ -3,9 +3,23 @@
 - Get working in firefox using flash web-socket-js:
     http://github.com/gimite/web-socket-js
 
+    - Only load Flash stuff if needed:
+        var x='< script type="text/javascript" src=';
+        var y='><\/script>';
+        var t='';
+        t+= x+'file1.js'+y;
+        t+= x+'file2.js'+y;
+        t+= x+'fileA.txt'+y;
+        document.write(t);
+
 - Version without mootools:
     - test cross-browser
 
 - Add WSS/https/SSL support to page and wsproxy.py
 
 - Make C version of wsproxy.py
+
+- Implement UI option for shared.
+
+- Upgrade to protocol 3.8 
+    - implement ZRLE encoding
diff --git a/vnc.js b/vnc.js
index 8ff25083..a92fa1b0 100644
--- a/vnc.js
+++ b/vnc.js
@@ -34,7 +34,8 @@ Array.prototype.shiftStr = function (len) {
             return String.fromCharCode(num); } ).join('');
 }
 Array.prototype.pushStr = function (str) {
-    for (var i=0; i < str.length; i++) {
+    var n = str.length;
+    for (var i=0; i < n; i++) {
         this.push(str.charCodeAt(i));
     }
 }
@@ -377,8 +378,7 @@ display_raw: function () {
 
 display_copy_rect: function () {
     //console.log(">> display_copy_rect");
-    FBU.bytes = 4;
-    if (RFB.d.length < FBU.bytes) {
+    if (RFB.d.length < 4) {
         //console.log("   waiting for " + (FBU.bytes - RFB.d.length) + " COPY-RECT bytes");
         return;
     }
@@ -392,9 +392,9 @@ display_copy_rect: function () {
 display_rre: function () {
     //console.log(">> display_rre (" + RFB.d.length + " bytes)");
     if (FBU.subrects == 0) {
-        FBU.bytes = 4 + RFB.fb_Bpp;
-        if (RFB.d.length < FBU.bytes) {
-            //console.log("   waiting for " + (FBU.bytes - RFB.d.length) + " RRE bytes");
+        ;
+        if (RFB.d.length < 4 + RFB.fb_Bpp) {
+            //console.log("   waiting for " + (4 + RFB.fb_Bpp - RFB.d.length) + " RRE bytes");
             return;
         }
         FBU.subrects = RFB.d.shift32();