var timeCount = function(t, doc){
	var dur = t;
	var id_array = doc;
	var f = {
		zero: function(n){
			var n = parseInt(n, 10);
			if(n > 0){
				if(n <= 9){
					n = "0" + n;	
				}
				return String(n);
			}else{
				return "00";	
			}
		},
		dv: function(){
			 pms = {
				sec: "00",
				mini: "00",
				hour: "00",
				day: "00",
				month: "00",
				year: "0"
			};
			if(dur > 0){
				pms.mini = Math.floor((dur / 60)) > 0? f.zero(Math.floor((dur / 60)) % 60) : "00";
				pms.hour = Math.floor((dur / 3600)) > 0? f.zero(Math.floor((dur / 3600)) % 24) : "00";
				pms.day = Math.floor((dur / 86400)) > 0? f.zero(Math.floor((dur / 86400))) : "00";
				//月份，以实际平均每月秒数计算
				pms.month = Math.floor((dur / 2629744)) > 0? f.zero(Math.floor((dur / 2629744)) % 12) : "00";
				//年份，按按回归年365天5时48分46秒算
				pms.year = Math.floor((dur / 31556926)) > 0? Math.floor((dur / 31556926)) : "0";
			}
			return pms;
		},
		ui: function(){
			dur-= 1;
			if(o.sec){
				o.sec.innerHTML = dur % 60;
			}
			if(o.mini){
				o.mini.innerHTML = f.dv().mini;
			}
			if(o.hour){
				o.hour.innerHTML = f.dv().hour;
			}
			if(o.day){
				o.day.innerHTML = f.dv().day;
			}
			if(o.month){
				o.month.innerHTML = f.dv().month;
			}
			if(o.year){
				o.year.innerHTML = f.dv().year;
			}
			setTimeout(arguments.callee, 1000);
		}
	};
	var o = {
	     sec: document.getElementById(id_array[0]),
	     mini: document.getElementById(id_array[1]),
	     hour: document.getElementById(id_array[2]),
		 day: document.getElementById(id_array[3])
	}
	f.ui();
};