+Dygraph.prototype.attr_ = function(name, seriesName) {
+ if (seriesName &&
+ typeof(this.user_attrs_[seriesName]) != 'undefined' &&
+ this.user_attrs_[seriesName] != null &&
+ typeof(this.user_attrs_[seriesName][name]) != 'undefined') {
+ return this.user_attrs_[seriesName][name];
+ } else if (typeof(this.user_attrs_[name]) != 'undefined') {