public static function
upgradeCA(User $user) {
global $conf;
$cost = Upgrades::caCost($user);
$what = 'calevel';
$delta = 1;
$name = 'Covert Technology';
return Upgrades::upgrade($user, $name, $cost, $what, $delta);
}
else { ?>
<input type="submit" name="upgrade-da" value="<?php
echo numecho(Upgrades::daCost($user));
?>
Gold" />
<? } ?>
</td>
</tr>
<tr>
<td>Covert Technology</td>
<td><?php
echo $user->calevel;
?>
</td>
<td><input type="submit" name="upgrade-ca" value="<?php
echo numecho(Upgrades::caCost($user));
?>
Gold" /></td>
</tr>
<tr>
<td>Retaliation Technology</td>
<td><?php
echo $user->ralevel;
?>
</td>
<td><input type="submit" name="upgrade-ra" value="<?php
echo numecho(Upgrades::raCost($user));
?>
Gold" /></td>
</tr>
<tr>
