/* ping.js - v0.2.1 http://github.com/alfg/ping.js */
var Ping=function(a){this.opt=a||{},this.favicon=this.opt.favicon||"/favicon.ico",this.timeout=this.opt.timeout||0};Ping.prototype.ping=function(a,b){function c(a){d&&clearTimeout(d);var c=new Date-e;if("function"==typeof b)return"error"===a.type?(console.error("error loading resource"),b("error",c)):b(null,c)}this.img=new Image;var d,e=new Date;this.img.onload=c,this.img.onerror=c,this.timeout&&(d=setTimeout(c,this.timeout)),this.img.src=a+this.favicon+"?"+ +new Date},"undefined"!=typeof exports?"undefined"!=typeof module&&module.exports&&(module.exports=Ping):window.Ping=Ping;