adding information to text area - error

[Keltoi]

I'm trying to add some content to a text area form element before the content of the text area.

I can do it, so that the added content apears after the text area content but if I switch the script around I get an error.

This works:

onClick="window.document.formmain.notes.value += 'add this'"

But if I try this then the error occurs:

onClick="'add this' += window.document.formmain.notes.value"

Any ideas?

[JohnKrutsch]

onclick="window.document.formmain.notes.value='add this'+window.document.formmain.notes.value"

[Keltoi]

Thanks John, that was starting to bug me.