"Hard return" causing hangups

On my website I have Guestmap that is written in PHP. I did not write
it but got it from a freeware site. Anyway it works well, except I've
discovered that if someone writes a message and uses the enter key,
that will hangup the GuestMap. There is no error message, the icons
simple will not load and no one else can enter a message.

My solution is to have PHP code remove all hard returns form the
strings before they are stored in the database. But I'm not sure what
the code would be for that. I'm sure it's easy but I don't actually
know much about PHP programming.

Anyway my website is:
www.songofthecoyote.com

Thanks for any help you can give.
Jimmy

.

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