$(function(){
	Date.prototype.Format = function (fmt) { //author: meizz 
	    var o = {
	        "M+": this.getMonth() + 1, //月份 
	        "d+": this.getDate(), //日 
	        "h+": this.getHours(), //小时 
	        "m+": this.getMinutes(), //分 
	        "s+": this.getSeconds(), //秒 
	        "q+": Math.floor((this.getMonth() + 3) / 3), //季度 
	        "S": this.getMilliseconds() //毫秒 
		    };
		    if (/(y+)/.test(fmt)) fmt = fmt.replace(RegExp.$1, (this.getFullYear() + "").substr(4 - RegExp.$1.length));
		    for (var k in o)
		    if (new RegExp("(" + k + ")").test(fmt)) fmt = fmt.replace(RegExp.$1, (RegExp.$1.length == 1) ? (o[k]) : (("00" + o[k]).substr(("" + o[k]).length)));
		    return fmt;
		}
	
	var timerEl = $("#timer");
	timerEl.text(new Date().Format("yyyy-MM-dd hh:mm:ss"));
	setInterval(function(){
		timerEl.text(new Date().Format("yyyy-MM-dd hh:mm:ss"));
	},1000)
	
	
	
})