function EventsContainer() { this.functions = []; }
EventsContainer.prototype.init = function () { for (var i=0;i<this.functions.length;i++) eval(this.functions[i])(); }
EventsContainer.prototype.add = function (f) { this.functions[this.functions.length] = f; }
EventsContainer.prototype.remove = function (f) { for (var i=0;i<this.functions.length;i++) if (this.functions[i]==f) this.functions.splice(i,1);  }