解决微信tel

//微信tel失效问题,去除sukey
if(navigator.userAgent.indexOf('MicroMessenger')!=-1){
	var shref=window.location.href;
	if(shref.indexOf('wxref=mp.weixin.qq.com')==-1)window.location.href+=shref.indexOf('?')==-1?'?wxref=mp.weixin.qq.com':'&wxref=mp.weixin.qq.com';
}