// JavaScript Document
var show_target=0;
//var time_now=0;
var time_id='timer';
var gap=0;
function show_date_time_0(){ 
   setTimeout("show_date_time_0()", 1000);
    var today=new Date();
	time_now=today.getTime();
	//s_now+=1000;
    timeold=show_target-time_now-gap; 
	//time_now+=1000;
	//timeold=show_target-today; 
    sectimeold=timeold/1000; 
    secondsold=Math.floor(sectimeold); 
    msPerDay=24*60*60*1000; 
    e_daysold=timeold/msPerDay; 
    daysold=Math.floor(e_daysold); 
    e_hrsold=(e_daysold-daysold)*24; 
    hrsold=Math.floor(e_hrsold); 
    e_minsold=(e_hrsold-hrsold)*60; 
    minsold=Math.floor((e_hrsold-hrsold)*60); 
    seconds=Math.floor((e_minsold-minsold)*60); 
    if (daysold<0) { 
        document.getElementById(time_id).innerHTML="逾期,倒计时已经失效"; 
    }  
    else { 
        if (daysold<10) {daysold="0"+daysold} 
        if (hrsold<10) {hrsold="0"+hrsold} 
        if (minsold<10) {minsold="0"+minsold} 
        if (seconds<10) {seconds="0"+seconds} 
		//document.getElementById(time_id).innerHTML='a';
        document.getElementById(time_id).innerHTML="<span class='hms'>"+daysold+"</span>天<span class='hms'>"+hrsold+"</span>小时<span class='hms'>"+minsold+"</span>分<span class='hms'>"+seconds+"</span>秒";
    } 
	//alert(document.getElementById(time_id).innerHTML);
}