Php selects

Page 1<html><head><title><?php echo _websiteTitle; ?></title></head><body><form action="p2.php" method="post"><?php $heating = array('First' =>'First', 'Second' =>'Second', 'Third' =>'Third', 'Fourth' =>'Fourth');$cheese = array('First' =>'First', 'Second' =>'Second', 'Third' =>'Third', 'Fourth' =>'Fourth');// Make Cheese SingleSelectecho '<select name="cheese[]" style="margin: 5px 0pt; width: 175px;">';foreach ($cheese as $key => $value) {        echo "<option value=\"$key\">$value</option>\n";}echo '</select>'; // Make Heating MultiSelectecho '<select size="4" name="heating[]" multiple="multiple" style="margin: 5px 0pt; width: 175px;">';foreach ($heating as $key => $value) {        echo "<option value=\"$key\">$value</option>\n";}echo '</select>'; ?><br><a href="<?php echo _resAuctionLink; ?>" target="blank">Auction</a><br><input type="submit" value="please work"></form> </body></html> page 2<html><head><title>Page 2</title></head><body><form action="http://tetzloff.netfirms.com/postSelections/p2.php" method="post"> <?php$heating = array('First' =>'First', 'Second' =>'Second', 'Third' =>'Third', 'Fourth' =>'Fourth');$cheese = array('First' =>'First', 'Second' =>'Second', 'Third' =>'Third', 'Fourth' =>'Fourth');echo '<select name="cheese[]" style="margin: 5px 0pt; width: 175px;">';    if (!empty($_POST['cheese']) && is_array($_POST['cheese'])){        foreach($cheese as $key => $value){                if(in_array($key, $_POST['cheese'])){                        echo "<option value=\"$value\" selected=\"selected\">$value</option>\n";                }else{                        echo "<option value=\"$value\">$value</option>\n";                                     }        }    }echo '</select>';echo '<select size="4" name="heating[]" multiple="multiple" style="margin: 5px 0pt; width: 175px;">';    if (!empty($_POST['heating']) && is_array($_POST['heating'])){        foreach($heating as $key => $value){                if(in_array($key, $_POST['heating'])){                        echo "<option value=\"$value\" selected=\"selected\">$value</option>\n";                }else{                        echo "<option value=\"$value\">$value</option>\n";                                     }        }    }echo '</select>';?> <br><input type="submit" value="please work"></form> </body></html>