Code:
<form method="post" name="stiffyinstr">
There is no action specified. It should be
Code:
<form method="post" name="stiffyinstr" action="customScript.php">
Where customScript is the name of the script that will handle user selection
If you just want to open new window with pdf, don't mess with forms try this instead of form submitting:
Code:
<br />
PDF Stiffy Instructions
<select name="stiffy" style="width: 50%;" onchange="window.open(this.value,'PDF Stiffy Instructions','width=300,height=500,toolbar=1')">
<option value="">Select Stiffy PN</option>
{section name=st loop=$stiffys}
<option value="{$current_location}/instructions/{$stiffys[st].IE_part_number}.pdf">-{$stiffys[st].IE_part_number}- {$stiffys[st].year}-{$stiffys[st].year_to} {$stiffys[st].makename} {$stiffys[st].modelname}{if $stiffys[st].submodel_name} {$stiffys[st].submodel_name}{/if}{if $stiffys[st].engine_size}, {$stiffys[st].engine_size}L{/if}</option>
{/section}
</select>
<br/>