[thelist] Double drop down lists

[Rob Smith]

We implemented something very similar to your request:
http://www.thermon.com/locator/locator.asp

Step 1: Static iframe | Us/Latin America
Step 2: Dynamic iframe | States - [50 states]
Step 3: Dynamic iframe | Counties - [X counties]

I found the following examples in JavaScript:
http://www.trans4mind.com/personal_development/JavaScript/tripleMenu.htm
http://www.alistapart.com/articles/dynanav/

We chose to go with ASP to populate step 3 as there are literally thousands
of counties in the US of A. We didn't have the heart to tax our client
browsers with that huge list. The page probably would have weighed in at a
meg.

If you need technical assistance with the dynamic aspect of this, contact me
off list. I'm sure that you can get away with a client side solution with
your design specifications. 

Dynamic = faster,

rob

-----Original Message-----
From: Darin Lang [mailto:sub at doolang.com]
Sent: Monday, March 28, 2005 11:52 AM
To: thelist at lists.evolt.org
Subject: [thelist] Double drop down lists


I want to have 3 simple lists
Countries - US, Canada
States - [50 states]
Provinces - [10 Provinces]

accessed through two dynamic drop down menus, so that if you choose a 
province from the combined list of provinces and states, it switches 
the country drop down to "Canada"
Or if you select "Canada" the states/provinces drop down only lists 
provinces. etc.

I am sure someone has already figured this out, but i can't find it.

Darin Lang

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