var months = new Array("一月", "二月", "三月", "四月", "五月", "六月", "七月", "八月", "九月", "十月", "十一月", "十二月");
var daysInMonth = new Array(31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31);
var days = new Array("日", "一", "二", "三", "四", "五", "六");
var today;

document.writeln("<div id='Calendar' style='position:absolute; z-index:1; visibility: hidden; filter:\"progid:DXImageTransform.Microsoft.Shadow(direction=135,color=#999999,strength=3)\"'></div>");

function getDays(month, year)
{
   // 下面的这段代码是判断当前是否是闰年的
   if (1 == month)
   return ((0 == year % 4) && (0 != (year % 100))) || (0 == year % 400) ? 29 : 28;
   else
   return daysInMonth[month];
}

function getToday()
{
   // 得到今天的年, 月, 日
   this.now = new Date();
   this.year = this.now.getFullYear();
   this.month = this.now.getMonth();
   this.day = this.now.getDate();
}

function getStringDay(str)
{
   // 得到输入框的年, 月, 日
   var str = str.split("-")

   this.now = new Date(parseFloat(str[0]), parseFloat(str[1]) - 1, parseFloat(str[2]));
   this.year = this.now.getFullYear();
   this.month = this.now.getMonth();
   this.day = this.now.getDate();
}

function newCalendar()
{
   var parseYear = parseInt(document.all.Year.options[document.all.Year.selectedIndex].value);
   var newCal = new Date(parseYear, document.all.Month.selectedIndex, 1);
   var day = - 1;
   var startDay = newCal.getDay();
   var daily = 0;

   if ((today.year == newCal.getFullYear()) && (today.month == newCal.getMonth()))
   day = today.day;

   var tableCal = document.all.calendar;
   var intDaysInMonth = getDays(newCal.getMonth(), newCal.getFullYear());

   for (var intWeek = 1; intWeek < tableCal.rows.length;
   intWeek ++ )
   for (var intDay = 0; intDay < tableCal.rows[intWeek].cells.length;
   intDay ++ )
   {
      var cell = tableCal.rows[intWeek].cells[intDay];
      if ((intDay == startDay) && (0 == daily))
      daily = 1;

      if(day == daily) // 今天，调用今天的Class
      {
         cell.style.background = '#6699CC';
         cell.style.color = '#FFFFFF';
         // cell.style.fontWeight = 'bold';
      }
      else if(intDay == 6) // 周六
      cell.style.color = 'green';
      else if (intDay == 0) // 周日
      cell.style.color = 'red';

      if ((daily > 0) && (daily <= intDaysInMonth))
      {
         cell.innerText = daily;
         daily ++ ;
      }
      else
      cell.innerText = "";
   }
}

function GetDate(InputBox)
{
   var sDate;
   // 这段代码处理鼠标点击的情况
   if (event.srcElement.tagName == "TD")
   if (event.srcElement.innerText != "")
   {
      sDate = document.all.Year.value + "-" + document.all.Month.value + "-" + event.srcElement.innerText;
      eval("document.all." + InputBox).value = sDate;
      HiddenCalendar();
   }
}

function HiddenCalendar()
{
   // 关闭选择窗口
   document.all.Calendar.style.visibility = 'hidden';
}

function ShowCalendar(InputBox)
{
   var x, y, intLoop, intWeeks, intDays;
   var DivContent;
   var year, month, day;
   var o = eval("document.all." + InputBox);
   var thisyear;
   // 真正的今年年份

   thisyear = new getToday();
   thisyear = thisyear.year;

   today = o.value;
   if(isDate(today))
   today = new getStringDay(today);
   else
   today = new getToday();

   // 显示的位置
   x = o.offsetLeft;
   y = o.offsetTop;
   while(o = o.offsetParent)
   {
      x += o.offsetLeft;
      y += o.offsetTop;
   }
   document.all.Calendar.style.left = x + 2;
   document.all.Calendar.style.top = y + 20;
   document.all.Calendar.style.visibility = "visible";

   // 下面开始输出日历表格(border - color : #9DBAF7)
   DivContent = "<table border='0' cellspacing='0' style='border:1px solid #0066FF; background-color:#EDF2FC'>";
   DivContent += "<tr>";
   DivContent += "<td style='border-bottom:1px solid #0066FF; background-color:#EEEEEE'>";

   // 年
   DivContent += "<select name='Year' id='Year' onChange='newCalendar()' style='font-family:Verdana; font-size:12px'>";
   for (intLoop = thisyear - 35; intLoop < (thisyear + 2);
   intLoop ++ )
   DivContent += "<option value= " + intLoop + " " + (today.year == intLoop ? "Selected" : "") + ">" + intLoop + "</option>";
   DivContent += "</select>";

   // 月
   DivContent += "<select name='Month' id='Month' onChange='newCalendar()' style='font-family:Verdana; font-size:12px'>";
   for (intLoop = 0; intLoop < months.length;
   intLoop ++ )
   DivContent += "<option value= " + (intLoop + 1) + " " + (today.month == intLoop ? "Selected" : "") + ">" + months[intLoop] + "</option>";
   DivContent += "</select>";

   DivContent += "</td>";

   DivContent += "<td style='border-bottom:1px solid #0066FF; background-color:#C7D8FA; font-weight:bold; font-family:Wingdings 2,Wingdings,Webdings; font-size:16px; padding-top:2px; color:#4477FF; cursor:hand' align='center' title='关闭' onClick='javascript:HiddenCalendar()'>S</td>";
   DivContent += "</tr>";

   DivContent += "<tr><td align='center' colspan='2'>";
   DivContent += "<table id='calendar' border='0' width='100%'>";

   // 星期
   DivContent += "<tr>";
   for (intLoop = 0; intLoop < days.length; intLoop ++ )
   DivContent += "<td align='center' style='font-size:12px'>" + days[intLoop] + "</td>";
   DivContent += "</tr>";

   // 天
   for (intWeeks = 0; intWeeks < 6; intWeeks ++ )
   {
      DivContent += "<tr>";
      for (intDays = 0; intDays < days.length; intDays ++ )
      DivContent += "<td onClick='GetDate(\"" + InputBox + "\")' style='cursor:hand; border-right:1px solid #BBBBBB; border-bottom:1px solid #BBBBBB; color:#215DC6; font-family:Verdana; font-size:12px' align='center'></td>";
      DivContent += "</tr>";
   }
   DivContent += "</table></td></tr></table>";

   document.all.Calendar.innerHTML = DivContent;
   newCalendar();
}

function isDate(dateStr)
{
   var datePat = /^(\d{4})(\-)(\d{1,2})(\-)(\d{1,2})$/;
   var matchArray = dateStr.match(datePat);
   if (matchArray == null) return false;
   var month = matchArray[3];
   var day = matchArray[5];
   var year = matchArray[1];
   if (month < 1 || month > 12) return false;
   if (day < 1 || day > 31) return false;
   if ((month == 4 || month == 6 || month == 9 || month == 11) && day == 31) return false;
   if (month == 2)
   {
      var isleap = (year % 4 == 0 && (year % 100 != 0 || year % 400 == 0));
      if (day > 29 || (day == 29 && ! isleap)) return false;
   }
   return true;
}
// ------------------------------------------------------------------------------
function ReadFromServer(id)
{
   if(id == "0")
   {
   }
   else
   {
      var str, strid;
      strid = document.all(id).options[document.all(id).selectedIndex].value;
      if(strid == "0")
      {
         return false
      }
      str = document.all(id).options[document.all(id).selectedIndex].text;
      var xcused;
      oprshow = "\n确实要这么做吗？\n  【确定】执行操作，\n  【取消】放弃操作。"
      xcused = window.confirm('确实要使用〖' + str + "〗吗？如果使用编辑的数据将丢失！" + oprshow);
      if(xcused)
      {
         var xcss;
         var url;
         if(id == "DrpSelectUser")
         {
            url = "DefType=" + id + "&DefID=" + strid + "&UserInfo=1"
         }
         else
         {
            url = "DefType=" + id + "&DefID=" + strid + "&UserInfo=0"
         }
         xcss = returnFromServerNo("AdminLanReturnModType.aspx", url);
         frames.editor.frames.edit1.frames.textEdit.document.body.innerHTML = xcss;
         document.forms[0].newsContent.value = xcss;

      }
   }
}
function returnFromServerNo(ServerPage, sendinfo)
{
   var info;
   var XcXmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
   XcXmlHttp.open("POST", ServerPage, false);
   XcXmlHttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded")
   XcXmlHttp.send(sendinfo);
   info = XcXmlHttp.responseText;
   return info;
}
function isclosetime()
{
   var xcm;
   xcm = document.all("xcSelecttime").options[document.all("xcSelecttime").selectedIndex].value;
   if(xcm == "0")
   {
      xcclosespantime();
   }
}
