.clickable:click {
    evt-click-preventdefault: true;
}


#button_1:click {
    action-client: setStyle htmlid(button_2);
    setStyle-name: backgroundColor;
    setStyle-value: #FFa0a0;
    action-client: setAttribute htmlid(button_2);
    setAttribute-name: value;
    setAttribute-value: 'RESET ME';

}

#button_2:click {
    action-client: setStyle;
    setStyle-name: backgroundColor;
    setStyle-value: white;
    action-client: setAttribute;
    setAttribute-name: value;
    setAttribute-value: 'Watch me';
}

#button_3:click {
    action-client: setStyle css("#button_4");
    setStyle-name: backgroundColor;
    setStyle-value: #FFa0a0;
    action-client: setAttribute css('#button_4');
    setAttribute-name: value;
    setAttribute-value: 'RESET ME';
}

#button_4:click {
    action-client: setStyle;
    setStyle-name: backgroundColor;
    setStyle-value: white;
    action-client: setAttribute;
    setAttribute-name: value;
    setAttribute-value: 'Watch me';
}