docs: function (message, type, wait) {
  				var log = document.createElement("article");
  				log.className = "alertify-log" + ((typeof type === "string" && type !== "") ? " alertify-log-" + type : "");
  				log.innerHTML = message;
  				// append child
  				elLog.appendChild(log);
  				// triggers the CSS animation
  				setTimeout(function() { log.className = log.className + " alertify-log-show"; }, 50);
  				this.close(log, wait);
  			}