/*基本参数*/

var Frw=156; //日历宽度

var Frh=150; //日历高度

var Frs=4;     //影子大小

var Hid=true;//日历是否打开

var InputBox;

/*创建框架*/





/*取得今日日期*/

function GetTodayDate()

{

   today= new Date();

   y= today.getFullYear();

   m= (today.getMonth() + 1);

   if (m<10)

   {

     m='0'+m;

   }

   d= today.getDate();

   if (d<10)

   {

     d='0'+d;

   }

return y+'-'+m+'-'+d

}

/*输入今天日期*/

function SetTodayDate()

{

  

  HiddenCalendar();

  var old_value=InputBox.value;

  InputBox.value=GetTodayDate();



  

}

/*取某年某月第一天的星期值(月份-1)*/

function GetFirstWeek(The_Year,The_Month)

{

  return (new Date(The_Year,The_Month-1,1)).getDay()

}

/*取某年某月中总天数*/

function GetThisDays(The_Year,The_Month)

{

  return (new Date(The_Year,The_Month,0)).getDate()

}

/*取某年某月上个月中总天数*/

function GetLastDays(The_Year,The_Month)

{

  return (new Date(The_Year,The_Month-1,0)).getDate()

}

/*判断是否是闰年*/

function RunNian(The_Year)

{

 if ((The_Year%400==0) || ((The_Year%4==0) && (The_Year%100!=0)))

  return true;

 else

  return false;

}

/* 判断日期(YYYY-MM-DD)的日期是否正确 */

function DateIsTrue(asDate){

 var lsDate  = asDate + "";

 var loDate  = lsDate.split("-");

 if (loDate.length!=3) return false; 

 var liYear  = parseFloat(loDate[0]);

 var liMonth = parseFloat(loDate[1]);

 var liDay   = parseFloat(loDate[2]);

 if ((loDate[0].length>4)||(loDate[1].length>2)||(loDate[2].length>2)) return false;

 if (isNaN(liYear)||isNaN(liMonth)||isNaN(liDay)) return false;

 if ((liYear<1800)||(liYear>2500)) return false;

 if ((liMonth>12)||(liMonth<=0))   return false;

 if (GetThisDays(liYear,liMonth)<liDay) return false;

 return !isNaN(Date.UTC(liYear,liMonth,liDay));

}

/*取某年某月的周值*/

function GetCountWeeks(The_Year,The_Month)

{

 var Allday;

 Allday = 0;

 if (The_Year>2000)

 {

  

  for (i=2000 ;i<The_Year; i++) 

   if (RunNian(i)) 

    Allday += 366;

   else

    Allday += 365;

  for (i=2; i<=The_Month; i++)

  {

   switch (i)

   {

      case 2 : 

       if (RunNian(The_Year))

        Allday += 29;

       else

        Allday += 28;

       break;

      case 3 : Allday += 31; break;

      case 4 : Allday += 30; break;

      case 5 : Allday += 31; break;

      case 6 : Allday += 30; break;

      case 7 : Allday += 31; break;

      case 8 : Allday += 31; break;

      case 9 : Allday += 30; break;

      case 10 : Allday += 31; break;

      case 11 : Allday += 30; break;

      case 12 :  Allday += 31; break;

   }

  }

 }

return (Allday+6)%7;

}

/*输入框显示*/

function InputValue(Year,Month,Day)

{

  if (Month<10)

  {

    Month='0'+Month

  }

  if (Day<10)

  {

    Day='0'+Day

  }

  

  var old_value=InputBox.value;

  InputBox.value=Year+"-"+Month+"-"+Day



}

//上一月

function ForwardMonth(Year,Month,Day)

{

    Month=Month-1;

    if (Month<1)

    {

        Month=12;

        Year=Year-1;

        if (Year<1800)

            Year=2500;

    }

  Day=((GetThisDays(Year,Month)<Day)?GetThisDays(Year,Month):Day)

  Hid=false;

  ShowCalendar(Year,Month,Day)

}

//下一月

function NextMonth(Year,Month,Day)

{

    Month=Month+1;

    if (Month>12)

    {

        Month=1;

        Year=Year+1;

        if (Year>2500)

            Year=1800;

    }

  Day=((GetThisDays(Year,Month)<Day)?GetThisDays(Year,Month):Day)

  Hid=false;

  ShowCalendar(Year,Month,Day)

}

//上一年

function ForwardYear(Year,Month,Day)

{

    Year=Year-1;

    if (Year<1800)

        Year=2500;

  Day=((GetThisDays(Year,Month)<Day)?GetThisDays(Year,Month):Day)

  Hid=false;

  ShowCalendar(Year,Month,Day)

}

//下一年

function NextYear(Year,Month,Day)

{

    Year=Year+1;

    if (Year>2500)

        Year=1800;

  Day=((GetThisDays(Year,Month)<Day)?GetThisDays(Year,Month):Day)

  Hid=false;

  ShowCalendar(Year,Month,Day)

}

/*其它事件显示日历*/

function OpenDate(where)

{



 InputBox=where;	

 GetCalendar(where);

}

/*根据输入框中的日期显示日历*/

function GetCalendar(where)

{



    Hid=false;

    var Box_Name=where.name;

    var Box_value=where.value;

    if (DateIsTrue(Box_value))

    {

	

    loDate  = Box_value.split("-");

    Y= parseFloat(loDate[0]);

    M= parseFloat(loDate[1]);

    D= parseFloat(loDate[2]);

    ShowCalendar(Y,M,D);



    }

  else

  {

  

    today= new Date();

    y= today.getFullYear();

    m= (today.getMonth() + 1);

    d=today.getDate();



    ShowCalendar(y,m,d);

  }

}



/*隐藏日历*/

function HiddenCalendar()

{

    document.getElementById('Calendar').style.display="none";

}

function CloseCalendar()

{

  if (Hid)

    document.getElementById('Calendar').style.display="none";

  Hid=true;

}

/*显示日历*/

function ShowCalendar(The_Year,The_Month,The_Day)

{

    var Now_Year=(The_Year==null?2004:The_Year);

    var Now_Month=(The_Month==null?1:The_Month);

    var Now_Day=(The_Day==null?1:The_Day);

    var Box_Name=InputBox.name;

    var fw=GetFirstWeek(Now_Year,Now_Month);

    var ld=GetLastDays(Now_Year,Now_Month);

    var td=GetThisDays(Now_Year,Now_Month);

    var isnd=false;//是否是下个月的日期

    var d=1,w=1;

    var FrameContent;

    var Frl,Frt,Winw,Winh;



/*显示的位置*/

//Winw=document.body.offsetWidth;

//Winh=document.body.offsetHeight;

//alert(InputBox.getBoundingClientRect());

//Frl=InputBox.getBoundingClientRect().left-2;

//Frt=InputBox.getBoundingClientRect().top+InputBox.clientHeight;

//if (((Frl+Frw+Frs)>Winw)&&(Frw+Frs<Winw))

//  Frl=Winw-Frw-Frs;

//if ((Frt+Frh+Frs>Winh)&&(Frh+Frs<Winh))

 // Frt=Winh-Frh-Frs;

  

document.getElementById('Calendar').style.display="";

//document.all.Calendar.style.left=Frl+80;

//document.all.Calendar.style.top=Frt;

//document.all.Calendar.style.left=window.event.clientX;

//document.all.Calendar.style.top=window.event.clientY+frameObj.scrollTop-120;



//显示日历内容

FrameContent="\n<table onselectstart=\"return false;\" border='0' cellpadding='0' cellspacing='0' bgcolor='#BFD6E0' width='200px' height='15' style=\"color:white;font-weight:bolder;border:0px solid\">"+"\n<tr>\n";

FrameContent+="<td vAlign=middle align='center'>";

FrameContent+="<img src='http://futures.money.hexun.com/img/prev.gif' width='13' height='13' border='0' alt='上一年' style='cursor:hand' onclick=\"ForwardYear ("+Now_Year+","+Now_Month+","+Now_Day+")\">";

//FrameContent+="</td>\n";

//FrameContent+="<td vAlign=middle align='center'>";

FrameContent+=Now_Year;

FrameContent+="年";

//FrameContent+="</td>\n";

//FrameContent+="<td>";

FrameContent+="<img src='http://futures.money.hexun.com/img/next.gif' width='13' height='13' border='0' alt='下一年' style='cursor:hand' onclick=\"NextYear ("+Now_Year+","+Now_Month+","+Now_Day+")\">";

FrameContent+="</td>\n";

FrameContent+="<td vAlign=middle align='center'>";

FrameContent+="<img src='http://futures.money.hexun.com/img/prev.gif' width='13' height='13' border='0' alt='上一月' style='cursor:hand' onclick=\"ForwardMonth ("+Now_Year+","+Now_Month+","+Now_Day+")\">";

//FrameContent+="</td>\n";

//FrameContent+="<td vAlign=middle align='center' width='16'>";

FrameContent+=Now_Month;

//FrameContent+="</td>\n";

//FrameContent+="<td vAlign=middle align='center' width='13'>";

FrameContent+="月";

//FrameContent+="</td>\n";

//FrameContent+="<td>";

FrameContent+="<img src='http://futures.money.hexun.com/img/next.gif' width='13' height='13' border='0' alt='下一月' style='cursor:hand' onclick=\"NextMonth ("+Now_Year+","+Now_Month+","+Now_Day+")\">";

FrameContent+="</td>"+"\n";

FrameContent+="</tr>"+"\n";

FrameContent+="</table>"+"\n";

FrameContent+="<table onselectstart=\"return false;\" border='0' cellpadding='0' cellspacing='1' width='200px' bgcolor='#CCCCCC'>"+"\n";

FrameContent+="<tr bgcolor='#F5F5F5'>"+"\n";

FrameContent+="<td><center>一</center></td>"+"\n";

FrameContent+="<td><center>二</center></td>"+"\n";

FrameContent+="<td><center>三</center></td>"+"\n";

FrameContent+="<td><center>四</center></td>"+"\n";

FrameContent+="<td><center>五</center></td>"+"\n";

FrameContent+="<td><center><font color='#FF0000'>六</font></center></td>"+"\n";

FrameContent+="<td><center><font color='#FF0000'>日</font></center></td>"+"\n";

FrameContent+="</tr>"+"\n";

//如果本月第一天是星期一或星期天.应加上七.保证可以看到上个月的日期

    if (fw<2)

      tf=fw+7;

    else

      tf=fw;

      FrameContent+="<tr bgcolor='#FFFFFF'>"+"\n";

      //第一行上月日期

      for (l=(ld-tf+2);l<=ld;l++)

      {

        FrameContent+="<td  onclick=\"ForwardMonth ("+Now_Year+","+Now_Month+","+l+")\" style='cursor:hand'><center><font color='#BBBBBB'>"+l+"</font></center></td>"+"\n";

        w++;

      }

      //第一行本月日期

      for (f=tf;f<=7;f++)

      {

         //星期天但非输入日期

         if ((((w%7)==0)||((w%7)==6))&&(d!=Now_Day))

           FrameContent+="<td onMouseOver=\"this.style.background=\'#E1E1E1\'\" onMouseOut=\"this.style.background=\'#FFFFFF\'\" onClick=\"InputValue("+Now_Year+","+Now_Month+","+d+");HiddenCalendar()\" style='cursor:hand'><center><font color='#FF0000'>"+d+"</font></center></td>"+"\n";

         //日期为输入日期

         else if (d==Now_Day)

           FrameContent+="<td style=\"background:#420042;cursor:hand\" onClick=\"InputValue("+Now_Year+","+Now_Month+","+d+");HiddenCalendar()\"><center><font color='#FFFFFF'>"+d+"</font></center></td>"+"\n";

         //其它

         else

           FrameContent+="<td onMouseOver=\"this.style.background=\'#E1E1E1\'\" onMouseOut=\"this.style.background=\'#FFFFFF\'\" onClick=\"InputValue("+Now_Year+","+Now_Month+","+d+");HiddenCalendar()\" style='cursor:hand'><center>"+d+"</center></td>"+"\n";

        d++;

        w++;

      }

      FrameContent+="</tr>"+"\n";

    w=1;

    for (i=2;i<7;i++)

    {

      FrameContent+="<tr bgcolor='#FFFFFF'>"+"\n";

      for (j=1;j<8;j++)

      {

         if (isnd)//下个月的日期

         FrameContent+="<td style='cursor:hand' onclick=\"NextMonth ("+Now_Year+","+Now_Month+","+d+")\"><center><font color='#BBBBBB'>"+d+"</font></center></td>"+"\n";

         else//本月的日期

        {

           //星期天但非输入日期

           if ((((w%7)==0)||((w%7)==6))&&(d!=Now_Day))

             FrameContent+="<td onMouseOver=\"this.style.background=\'#E1E1E1\'\" onMouseOut=\"this.style.background=\'#FFFFFF\'\" onClick=\"InputValue("+Now_Year+","+Now_Month+","+d+");HiddenCalendar()\" style='cursor:hand'><center><font color='#FF0000'>"+d+"</font></center></td>"+"\n";

           //日期为输入日期

           else if (d==Now_Day)

             FrameContent+="<td style=\"background:#420042;cursor:hand\" onClick=\"InputValue("+Now_Year+","+Now_Month+","+d+");HiddenCalendar()\"><center><font color='#FFFFFF'>"+d+"</font></center></td>"+"\n";

           //其它

           else

             FrameContent+="<td onMouseOver=\"this.style.background=\'#E1E1E1\'\" onMouseOut=\"this.style.background=\'#FFFFFF\'\" onClick=\"InputValue("+Now_Year+","+Now_Month+","+d+");HiddenCalendar()\" style='cursor:hand'><center>"+d+"</center></td>"+"\n";

        }

        //判断是否为本月的日期

        if (d==td)

        {

          isnd=true;

          d=0;

        }

        w++;

        d++;

      }

      FrameContent+="</tr>"+"\n";

    }

FrameContent+="</table>"+"\n";

FrameContent+="<table onselectstart=\"return false;\" cellpadding='0' cellspacing='0' bgcolor='#Ffffff' width='200px' height='15'>"+"\n<tr>\n";

FrameContent+="<td title=\"今日:"+GetTodayDate()+"\" style=\"cursor:hand\" onclick=\"SetTodayDate()\">";

FrameContent+="<font color=red>今日:</font>"+GetTodayDate();

FrameContent+="</td>\n";

FrameContent+="<td>";

FrameContent+="<img src='http://futures.money.hexun.com/img/close.gif' width='13' height='13' border='0' alt='关闭' style='cursor:hand' onclick=\"HiddenCalendar()\">";

FrameContent+="</td>\n";

FrameContent+="</tr>\n";

FrameContent+="</table>\n";



document.getElementById('Calendar').innerHTML=FrameContent;



document.getElementById('Calendar').style.display="";



}

/*显示输入框*/

function DateBox(sBoxName, sDfltValue)

{

    if (sBoxName==null)

        sBoxName='Date_Box'

    if ((sDfltValue==null)||!(DateIsTrue(sDfltValue)))

        sDfltValue= GetTodayDate()

    else 

    {

      DateStr  = sDfltValue.split("-");

      Y= parseFloat(DateStr[0]);

      M= (parseFloat(DateStr[1])<10)?('0'+parseFloat(DateStr[1])):parseFloat(DateStr[1]);

      D= (parseFloat(DateStr[2])<10)?('0'+parseFloat(DateStr[2])):parseFloat(DateStr[2]);

      sDfltValue=Y+'-'+M+'-'+D

    }

    document.write("<input size='10' readonly class='inputdate' name='"+sBoxName+"' value='"+sDfltValue+"' onclick='GetCalendar("+sBoxName+")' >");

}

document.onclick = CloseCalendar;

//-->