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 time = new Date().Format("_yyMMdd_hhmm");