How to prevent a text box from scrolling ?

How can I prevent a text box from scrolling if more than a set number of lines are entered? I want to limit entry to the number of lines that will fit in the displayed box. I assume CSS would be used.

Thank you,

Mike

I guess this is the only effect you can achieve using css... Specifically, to remove an ugly scrollbar.

If it is acceptable, use this code:

 Thanks. Works well. If more than 9 are actually written, form will not Submit until

correct number of names is entered/

Thanks