Writing text into a TEXTAREA control

How do I define the text displayed within a TEXTAREA control?
Here is what I have....

Code:

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eval("document.form.text.value = variable")

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The TEXTAREA control is named 'text' - although it doesn't have a 'value' value, so I'm not so sure how to use javascript to supply the control with the data I want..... Thanks.

Code:

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document.forms(0).boxname.value = "value"

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Works for me.