var facebookProfile = {
    name : "Juan",
    friends : 0,
    messages : ["yes", "no", "maybe"],

    addFriend: function (){
        facebookProfile.friends += 1;
    },
    removeFriend: function (){
        facebookProfile.friends -= 1;
    },
    postMessage : function (message){
        facebookProfile.messages.push(message);
    },
    deleteMessage : function (index){
        facebookProfile.messages.splice(index,1);
    }
};