Thanks guys, but I'm not even getting the value in 'runs' to worry about changing the query part. I will fix that up (thank you) as soon as I manage to actually pass multiple values to the called program.
Incidentally I do have warnings and strict, I just pasted snippets.

The weird thing is I have 

my $selectline = '<SELECT name="runs" MULTIPLE size="15" id="runs">';
print $selectline;

[download]

Running it in debug, that's what appears to be printed, yet when I look at the source on IE8 it has it as

<select name="runs" id="runs" size="15" multiple="multiple">

and firefox has it as

<select id="runs" size="15" multiple="" name="runs">

In both instances it seems to have changed the order and set MULTIPLE to either "" or "multiple".
I'm wondering if it's simply not picking up the 'multiple' setting as it correctly passes down individually selected items but not multiple selections,

In reply to Re^2: Passing 'SELECT MULTIPLE' parameters and CGI by viffer
in thread Passing 'SELECT MULTIPLE' parameters and CGI by viffer

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