how to select option to submit different php page

drop down select "sales" go to sales.php, other options selected go to addFund.php...

<form name='searform' method='post' action='<?php echo $home;?>addFund.php'>
 Search : <input type='text' id='sear' name='sear'> by 
 <select id='psel' name='psel' onchange='change()'>
 <option value='email'>Email</option>
 <option value='name'>Username</option>
 <option value='domain'>Domain name</option>
 <option value='sales'>Sales</option>
 </select>
 <input type='submit' name='sub' id='sub' value='Go' onclick='gopage()'>
 <input type='submit' name='dir' id='dir' value='Direct'>
 </form>
 

How to submit different pages

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