var now;
var yy,mo,da,wd,atm,hh,mi,ss,clock;
var time_div = document.getElementById('top_hd_day');
function GetNowTime(now){
  yy = now.getYear(); //获取年
  mo = now.getMonth() + 1; //获取月
  da = now.getDate();//获取日期
  //获取该天的星期值 
  switch (now.getDay())
  {
     case 1:
         wd = '星期一'
         break;
       case 2:
         wd = '星期二'
         break;
       case 3:
         wd = '星期三'
         break;
       case 4:
         wd = '星期四'
         break;
       case 5:
         wd = '星期五'
         break;
       case 6:
         wd = '星期六'
         break;
       case 7:
         wd = '星期日'
         break;
       default:
         wd = '';
         break;
     }   
//获取时间 
hh = now.getHours(); //获取小时
mi = now.getMinutes(); //获取分钟 
ss = now.getTime() % 60000; //获取时间
ss = (ss - (ss % 1000)) / 1000; //然后，将得到的毫秒数再处理成秒 
clock = hh+':'; //将得到的各个部分连接成一个日期时间 
if (mi < 10) clock += '0'; //字符串 
clock += mi+':';  
if (ss < 10) clock += '0';  
clock += ss; 
 //获取上下午
 if(hh >= 0 && hh < 6)
   atm = '凌晨';
 else if(hh >= 6 && hh < 8)
   atm = '早晨';
 else if(hh >= 6 && hh < 8)
   atm = '早晨';
 else if(hh >= 8 && hh < 12)
   atm = '上午';
 else if(hh == 12)
   atm = '中午';
 else if(hh >= 13 && hh < 18)
   atm = '下午';
 else if(hh >= 18 && hh < 24)
   atm = '晚上';
time_div.innerHTML = yy +'年'+ mo +'月'+ da + '号 ' + wd + ' ' + atm + clock;
setTimeout('GetNowTime(new Date())',1000);
}
function FocusSec(obj,tagstr,valstr)
{
  var tag = document.getElementById(tagstr).getElementsByTagName("a");
  for(i=0;i<tag.length;i++){
    tag[i].style.background='url(http://www.t318.com/images/search_04.gif)';
    tag[i].style.color = '#FFF';
  }
  obj.style.background = 'url(http://www.t318.com/images/search_03.gif)';
  obj.style.color = '#000';
  document.getElementById('xl').value = valstr;
}