Here's another way to have a "2 States Button" which is "ON" on widget/system startup and toggles at every press.
wget ´http://ipaddress:port/ZwaveCommand?command=device&id=21&level=100´
DEVICE~Eteinen~7~50~Controller DEVICE~Iso taso~9~0~BinaryPowerSwitch DEVICE~Jääkaappi~14~99~MultilevelPowerSwitch DEVICE~Lamppu~15~0~MultilevelSwitch DEVICE~Lastenhuone~19~0~MultilevelPowerSwitch DEVICE~Makuuhuone~20~0~MultilevelPowerSwitch DEVICE~Olohuone~8~99~MultilevelPowerSwitch DEVICE~Pieni Taso~16~255~BinaryPowerSwitch DEVICE~Ruokapöytä~22~99~MultilevelPowerSwitch DEVICE~Spotit~12~0~BinarySwitch DEVICE~Taustavalo~18~0~BinarySwitch DEVICE~Tiskipöytä~11~0~BinaryPowerSwitch DEVICE~Toimisto~21~99~MultilevelPowerSwitch