时间格式处理

<script type="text/javascript">
          var param = window.location.search;
          var bianhao = param.substr(1,2);
          var riqi = param.substr(3,10);

          if(riqi==''){
          var d=new Date();
          var Month=d.getMonth()+1;
          var Day=d.getDate();
          if (Month < 10 ){var Month='0'+ Month}
          if (Day < 10 ){var Day='0'+ Day}
          var riqi = d.getFullYear()+'-'+Month+'-'+Day;
          }
          play(riqi,bianhao);
          function liveserver() {
             $.pe.ajax('updatelabel',{labelName:'點播回看主機選擇',params:{},success:function(response){
                $('#smoothmenu').html($(response).find('body').text());
             }})
　　  　  }
</script>