function pagedown()
{var qws="\""+document.location+"\"";
document.write("返回值(截取地址)："+qws+"--");
var mydrivers=qws.slice(26,length-1);
//document.write("返回值(截取地址26到倒数第2个字符)："+mydrivers+"--");
mydrivers=mydrivers+"*";
//document.write("返回值(截取地址26到倒数第2个字符+*)："+mydrivers+"--");
var num1=mydrivers.slice(length-10,length-1).toLowerCase();
//document.write("返回值(截取后10个字符)："+num1+"--");


var day1,month1,year1,path1;
if(mydrivers.slice(length-2,length-1)!="/" && num1!="index.htm")
   {year1=parseInt(mydrivers.slice(length-15,length-11),10);
    month1=parseInt(mydrivers.slice(length-10,length-8),10);
    day1=parseInt(mydrivers.slice(length-7,length-5),10);
    path1=qws.slice(1,length-15);
   }
else
   {date1=new Date();
    year1=parseInt(date1.getYear(),10);
    month1=parseInt(date1.getMonth(),10)+1;
    day1=parseInt(date1.getDate(),10);
    if(mydrivers.slice(length-2,length-1)!="/")
        {path1=qws.slice(1,length-10);}
    else
        {path1=qws.slice(1,length-1);}
   }

if(month1<=7)
       {if(month1!=3)
              {if(month1%2==0)
                    {if(day1!=1)
                        {day1--;}
                     else
                        {month1--;day1=31;}
                     }
               else
                    {if(day1!=1)
                       {day1--;}
                     else
                       {if(month1!=1)
                           {month1--;day1=30}
                        else
                           {year1--;month=12;day1=31;}
                       }
                   }
              }
        else
           {if(((year1%4==0)&&(year1%100!=0))||((year1%4==0)&&(year1%400==0)))
                {if(day1!=1)
                     {day1--;}
                 else
                     {month1--;day1=29;}
                }
             else
                {
                 if(day1!=1)
                     {day1--;}
                 else
                     {month1--;day1=28;}
                }
            }
       }
    else
       {if(month1%2==0)
           {if(month1==8)
                  {if(day1!=1)
                       {day1--;}
                   else
                       {month1--;day1=31;}
                   }
            else
                  {if(day1!=1)
                        {day1--;}
                   else
                        {month1--;day1=30;}    
                   } 
           }
        else
            {if(day1!=1)
                   {day1--;}
             else 
                   {month1--;day1=31;}
            }
       }
 if(day1<10){day1="0"+day1;}
 if(month1<10){month1="0"+month1;}
 var link1=year1+"-"+month1+"-"+day1+".htm";
 //document.write("返回值："+path1+link1);
 window.location.href=link1;
}

function pageup()
{var qws="\""+document.location+"\"";
document.write("返回值(截取地址)："+qws+"--");
var mydrivers=qws.slice(26,length-1);
mydrivers=mydrivers+"*";
document.write("返回值(截取地址26到倒数第2个字符+*)："+mydrivers+"--");
var num1=mydrivers.slice(length-10,length-1).toLowerCase();
document.write("返回值(截取后10个字符)："+num1+"--");
var day1,month1,year1,path1;
var pd=1;
if(mydrivers.slice(length-2,length-1)!="/" && num1!="index.htm")
   {year1=parseInt(mydrivers.slice(length-15,length-11),10);
    month1=parseInt(mydrivers.slice(length-10,length-8),10);
    day1=parseInt(mydrivers.slice(length-7,length-5),10);
    path1=qws.slice(1,length-15);
    date2=new Date();
    if((year1==parseInt(date2.getYear(),10))&&(month1==(parseInt(date2.getMonth(),10)+1))&&(day1==parseInt(date2.getDate(),10)))
        { var link1=path1;
           pd=2;
          window.location.href=link1;
          //document.write("返回值：1"+link1);
        }
   }
else
   {//date1=new Date();
    //year1=parseInt(date1.getYear(),10);
    //month1=parseInt(date1.getMonth(),10)+1;
    //day1=parseInt(date1.getDate(),10);
    if(mydrivers.slice(length-2,length-1)!="/")
     {path1=qws.slice(1,length-10);}
    else
     {path1=qws.slice(1,length-1);}
      var link1=path1;
      pd=2;
     window.location.href=link1;
    //document.write("返回值：3"+link1);
   }
if(month1<=7)
       {if(month1!=2)
              {if(month1%2==0)
                    {if(day1!=30)
                        {day1++;}
                     else
                        {month1++;day1=1;}
                     }
               else
                    {if(day1!=31)
                       {day1++;}
                     else
                       {month1++;day1=1;}
                   }
              }
        else
           {if(((year1%4==0)&&(year1%100!=0))||((year1%4==0)&&(year1%400==0)))
                {if(day1!=29)
                     {day1++;}
                 else
                     {month1++;day1=1;}
                }
             else
                {
                 if(day1!=28)
                     {day1++;}
                 else
                     {month1++;day1=1;}
                }
            }
       }
    else
       {if(month1%2==0)
           {if(day1!=31)
               {day1++;}
            else
              {if(month1<12) 
                 {month1++;day1=1;}
               else
                 {year1++;month1=1;day1=1;}
              }    
           }
        else
          {if(day1!=30)
            {day1++;}
           else 
            {month1++;day1=1;}
          }
       }
 if(day1<10){day1="0"+day1;}
 if(month1<10){month1="0"+month1;}
 var link1=year1+"-"+month1+"-"+day1+".htm";
 if(pd==1)
     {
      //document.write("返回值：2"+path1+link1);
      window.location.href=link1;
     }
}