Dear all,

I am very very new to javascript, i just learn from the tutorial and try to add validation to it, but it can't run in IE and firefox, but running in safari.

here is the index.php
...

addcomment.php
...

<<< the code is deleted by erica>>>

What errors are you seeing? How is it "not working"? Does your query call return true or false, and if it returns false, are you handling that? (the answer is no on that one) And are you also aware that you can't rely on client validation alone? You also need server-side validation; anyone can send a post request to your server script and completely bypass your validation.

This is my example link:
the link is deleted.

Is relate to the setting of apache: mime ??

I use my own server!!!

Install Firebug and check out the error on your ajax call.

Install Firebug and check out the error on your ajax call.

It really help.
I have solve the problem.

Thank you.