+ createContainer: function(nodes, params) {
+ var toret = container.create(nodes, params, this);
+ this.containers.push(toret);
+ return toret;
+ },
+ removeContainer: function(container) {
+ var idx;
+ if((idx = this.containers.indexOf(container)) !== -1) {
+ this.containers.splice(idx, 1);
+ }
+ },