Superfish to show all submenus for selected parent

Superfish to show all submenus for selected parent

Lol, sorry for the title, I just didn't know how to explain..
I'm using Superfish nav-bar menu which works just fine (it hides all submenus with their childs)
But I also want to one sublink display all childs without need to hover over their parent.

Here is the code:

<li><a href="#">Main link</a>
<ul>
<li><a href="#">Link 1</a>
<ul class='children'>
    <li><a href="#">Sublink 1</a></li>
    <li><a href="#">Sublink 2</a></li>
</ul>
</li>
<li><a href="#">Link 2</a>
<ul class='children'>
    <li><a href="#">Sublink 2</a></li>
    <li><a href="#">Sublink 2</a></li>
</ul>
</li>
<li><a href="#">Link 3</a>
<ul class='children'>
    <li><a href="#">Sublink 3</a>
    <ul class='children'>
        <li><a href="#">Sub sublink 3</a></li>
        <li><a href="#">Sub sublink 3</a></li>
    </ul>
    </li>
</ul>
</li>
</ul>
</li>

In this example i want to Link 1 and Link 2, have normal drop down menus which are in normal state hidden.
I need to Link 3, always display Sublink 3 including its childs (Sub sublink 3).

I hope that you can understand me :D

Thanks!