text field's null value

From: Neil Trigger (email_at_magic2k.com)
Date: 12/30/03 

Date: Mon, 29 Dec 2003 22:57:45 -0800

If a text field has no value, eg the form is not filled in, how would I
check it.
I'm using this script:

if (Town.value=""){

but it's not working i also tried:

if ($Town.value=""){

I've even done lots of variations with null and things but it's illuding me.
Any ideas? 

--
¿ Trigger ?
http://www.magic2k.com/
http://www.oddmap.co.uk

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