Textbox CSS hover

I have a textbox in xul firefox application and I generate some text from this textbox and paste it in 开发者_开发技巧my website.

How do I show a popup message or some message when someone puts the cursor on the generated text?

My browser is Firefox.

Thanking you guys in Advance.

karthik

You can do something like this with Javascript: <span onmouseover="alert('Message');">Generated text here.</span>