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

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