Pre-populated list menu

[Tezread]

I am trying to echo a value from a list menu that has been chosen by the user in a previous session i.e i want to prepopulate the list menu

here is what i have so far which works a treat with other input objects

<?php
include("include/session.php");
include("connect.php");
// query 
$sql = "SELECT * FROM qualityuser WHERE username = '".$username."'"; 
$result = mysql_query($sql); 
// if we have rows, fetch them 
if(mysql_num_rows($result) > 0) { 
   $row = mysql_fetch_array($result); 
} else { 
   $row = array('time'=>'','demand'=>'','external_support'=>'','training'=>'','complexity'=>'','depth'=>'','partuse'=>''
   ,'cost'=>'' ,'orgwhole'=>'','external_validated'=>'');
} 
?>

then the menu itself:

  <select name="time">
                <?php 
	$values = array('Flexible', '12 months +', '0-12 months'); 
	foreach($values as $val) 
	{ 
   	printf("<option%s>$val</option>\n", ($val == $row['time']) ? "selected" : ""); 
	} 
?> 

                      </select>

many thanks in advance

[Tezread]

just to clarify here- i know how to prepopulate the menu itself- I am trying to print/echo the selected option that was chosen in a previous session, in the menu.

in other words it means that the drop down must stay at same selection through subsequent page loads.