code: function(d) {
  		"use strict";
  
  		d = new Date(d);
  
  		if (this.options.highlight.length > 0) {
  			for (var i in this.options.highlight) {
  				if (this.dateIsEqual(this.options.highlight[i], d)) {
  					return this.isNow(this.options.highlight[i]) ? " highlight-now": " highlight";
  				}
  			}
  		}
  		return "";
  	}
docs: Return a classname if the specified date should be highlighted
  
  @param  timestamp date Date of the current subDomain
  @return String the highlight class