Wasn't it LGT who wrote:
>

>This is the address.
>To test wheelzoom in Lausanne.
>I wish that the selection of an option, the parameters to reach
>script.php for use in the search engine.
>(for the test script returns a simple array XML)
>Sorry if this is not a very clean, I had to do it quickly. Thank you
>again
>
>http.://www.globalnet.ch/help
>http.://www.globalnet.ch/help/script.php

Instead of always reading the entire file, pass the information about 
what data you want to the server in the GDownloadUrl command

GDownloadUrl ( "myscript.php?type="+foo, function (doc2)...

and have the server SELECT only records which match the criteria:

$type = $_REQUEST["type"];

SELECT * from myfile WHERE type = $type;

-- 
http://econym.org.uk/gmap
The Blackpool Community Church Javascript Team


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