How can I get a sliding effect when I show or hide a panel ?

Hello,
I would like to get by an easy way a sliding effect when I hide and show a panel, like this :
http://www.w3schools.com/jquery/tryit.asp?filename=tryjquery_slide_toggle
I tried with "animator addon" (version 2),  I don't know how can I do this effect with it and  this addon is not stable maturity...

Thank for your help

Guillaume Bonnet: Hello,
I would like to get by an easy way a sliding effect when I hide and show a panel, like this :
http://www.w3schools.com/jquery/tryit.asp?filename=tryjquery_slide_toggle
I tried with "animator addon" (version 2),  I don't know how can I do this effect with it and  this addon is not stable maturity...

Thank for your help

 

I   did  that by creating a little extension ("wrapper jquery") ,  I think it will be good if vaadin has this type of  functionality in native...