var Scene = Class.extend ({ objects: null, init: function() { this.objects = new Array(); }, add: function( object ) { this.objects.push( object ); }, remove: function( object ) { for(var i = 0; i < this.objects.length; i++) if(object == this.objects[i]) alert("yay"); }, toString: function() { return 'Scene ( ' + this.objects + ' )'; } });