DD_roundies.addRule('.arrondidroite', '0px 10px 10px 0px');
    DD_roundies.addRule('.arrondigauche', '10px 0px 0px 10px');
    DD_roundies.addRule('.arrondi', '10px');
    DD_roundies.addRule('.arrondi2', '5px');
    DD_roundies.addRule('.arrondi3', '20px');