http://143.53.36.235:8080/tea_js.htm
The mersenne twister is weak for many reasons, equivalent keys, low apparent randomness if the seed contains too many zeroes, it isn't cryptographically secure (it has been bruteforced) and it cannot easily
I request a plug-in which uses 16-round TEA in CTR mode with the second 32-bit number dropped ( javascript only has 53-bit precision anyway).