Exported from Notepad++

function changeState(pin,elem){
    var newState = ($(elem).hasClass('on')?0:1);
    $.ajax({
            type: "POST",
             url: "./action.php?action=changeState",
             data:{pin:pin,state:newState},
            success: function(r){
                var result = eval(r);
                if(result.state == 1){
                    $(elem).removeClass('on');
                    $(elem).removeClass('off');
                    $(elem).addClass((newState==1?'on':'off'));
                }else{
                    alert('Erreur : '+result.error);
                }
         }});
}

function demo(){

    $.ajax({
            type: "POST",
             url: "./action.php?action=demo",
            success: function(r){
        
            
         }});
}