}
//往前翻 Year
function tiannetPrevYear() {
 if(tiannetYear > 999 && tiannetYear <10000){tiannetYear--;}
 else{alert("年份超出范圍（1000-9999）！");}
 tiannetSetDay(tiannetYear,tiannetMonth);
 //如果年份小于允許的最小年份，則創(chuàng)建對應(yīng)的option
 if( tiannetYear < tiannetYearSt ) {
  tiannetYearSt = tiannetYear;
  createOption(document.all.selTianYear,tiannetYear,tiannetYear + "年");
 }
 checkSelect(document.all.selTianYear,tiannetYear);
 tiannetWriteHead();
}
//往后翻 Year
function tiannetNextYear() {
 if(tiannetYear > 999 && tiannetYear <10000){tiannetYear++;}
 else{alert("年份超出范圍（1000-9999）！");return;}
 tiannetSetDay(tiannetYear,tiannetMonth);
 //如果年份超過允許的最大年份，則創(chuàng)建對應(yīng)的option
 if( tiannetYear > tiannetYearEnd ) {
  tiannetYearEnd = tiannetYear;
  createOption(document.all.selTianYear,tiannetYear,tiannetYear + "年");
 }
 checkSelect(document.all.selTianYear,tiannetYear);
 tiannetWriteHead();
}
//選擇今天
function tiannetToday() {
 tiannetYear = tiannetDateNow.getFullYear();
 tiannetMonth = tiannetDateNow.getMonth()+1;
 tiannetDay = tiannetDateNow.getDate();
 tiannetSetValue(true);
 //tiannetSetDay(tiannetYear,tiannetMonth);
 //selectObject();
}
//往前翻月份
function tiannetPrevMonth() {
 if(tiannetMonth>1){tiannetMonth--}else{tiannetYear--;tiannetMonth=12;}
 tiannetSetDay(tiannetYear,tiannetMonth);
 checkSelect(document.all.selTianMonth,tiannetMonth);
 tiannetWriteHead();
}
//往后翻月份
function tiannetNextMonth() {
 if(tiannetMonth==12){tiannetYear++;tiannetMonth=1}else{tiannetMonth++}
 tiannetSetDay(tiannetYear,tiannetMonth);
 checkSelect(document.all.selTianMonth,tiannetMonth);
 tiannetWriteHead();
}
//向span標簽中寫入年、月、時、分等數(shù)據(jù)
function tiannetWriteHead(){
 document.all.tiannetYearHead.innerText = tiannetYear + "年";
 document.all.tiannetMonthHead.innerText = tiannetMonth + "月";
 if( m_bolShowHour )  document.all.tiannetHourHead.innerText = " "+tiannetHour + "時";
 if( m_bolShowMinute ) document.all.tiannetMinuteHead.innerText = tiannetMinute + "分";
 tiannetSetValue(false);//給文本框賦值，但不隱藏本控件
}
//設(shè)置顯示天
function tiannetSetDay(yy,mm) {
  
 setRealDayCount();//設(shè)置當(dāng)月真實的日
 tiannetWriteHead();
 var strDateFont1 = "", strDateFont2 = "" //處理日期顯示的風(fēng)格
 for (var i = 0; i < 37; i++){tiannetArrDay[i]=""};  //將顯示框的內(nèi)容全部清空
 var day1 = 1;
 var firstday = new Date(yy,mm-1,1).getDay();  //某月第一天的星期幾
 for (var i = firstday; day1 < getMonthCount(yy,mm)+1; i++){
  tiannetArrDay[i]=day1;day1++;
 }
 //如果用于顯示日的最后一行的第一個單元格的值為空，則隱藏整行。
 //if(tiannetArrDay[35] == ""){
 // document.all.trTiannetDay5.style.display = "none";
 //} else {
 // document.all.trTiannetDay5.style.display = "";
 //}
 for (var i = 0; i < 37; i++){ 
  var da = eval("document.all.tdTiannetDay"+i)     //書寫新的一個月的日期星期排列
  if (tiannetArrDay[i]!="") { 
   //判斷是否為周末，如果是周末，則改為紅色字體
   if(i % 7 == 0 || (i+1) % 7 == 0){
   strDateFont1 = "<font color=#f0000>"
   strDateFont2 = "</font>"
   } else {
    strDateFont1 = "";
    strDateFont2 = ""
   }
   da.innerHTML = strDateFont1 + tiannetArrDay[i] + strDateFont2;
   //如果是當(dāng)前選擇的天，則改變顏色
   if(tiannetArrDay[i] == tiannetDay ) {
    da.style.backgroundColor = "#CCCCCC";
   } else {
    da.style.backgroundColor = "#EFEFEF";
   }
   da.style.cursor="hand"
  } else {
   da.innerHTML="";da.style.backgroundColor="";da.style.cursor="default"
  }
 }//end for
 tiannetSetValue(false);//給文本框賦值，但不隱藏本控件
}//end function tiannetSetDay
//根據(jù)option的值選中option
function checkSelect(objSelect,selectValue) {
 var count = parseInt(objSelect.length);
 if( selectValue < 10 && selectValue.toString().length == 2) {
  selectValue = selectValue.substring(1,2);
 }
 for(var i = 0;i < count;i ++){
  if(objSelect.options[i].value == selectValue){
   objSelect.selectedIndex = i;
   break;
  }
 }//for
}
//選中年、月、時、分等下拉框
function selectObject(){
 //如果年份小于允許的最小年份，則創(chuàng)建對應(yīng)的option
 if( tiannetYear < tiannetYearSt ) {
  for( var i = tiannetYear;i < tiannetYearSt;i ++  ){
   createOption(document.all.selTianYear,i,i + "年");
  }
  tiannetYearSt = tiannetYear;
 }
 //如果年份超過允許的最大年份，則創(chuàng)建對應(yīng)的option
 if( tiannetYear > tiannetYearEnd ) {
  for( var i = tiannetYearEnd+1;i <= tiannetYear;i ++  ){
   createOption(document.all.selTianYear,i,i + "年");
  }
  tiannetYearEnd = tiannetYear;
 }
 checkSelect(document.all.selTianYear,tiannetYear);
 checkSelect(document.all.selTianMonth,tiannetMonth);
 if( m_bolShowHour )  checkSelect(document.all.selTianHour,tiannetHour);
 if( m_bolShowMinute ) checkSelect(document.all.selTianMinute,tiannetMinute);
}
//給接受日期時間的控件賦值
//參數(shù)bolHideControl - 是否隱藏控件
function tiannetSetValue(bolHideControl){
 var value = "";
 if( !tiannetDay || tiannetDay == "" ){
  tiannetOutObject.value = value;
  return;
 }
 var mm = tiannetMonth;
 var day = tiannetDay;
 if( mm < 10 && mm.toString().length == 1) mm = "0" + mm;
 if( day < 10 && day.toString().length == 1) day = "0" + day;
 value = tiannetYear + tiannetDateSplit + mm + tiannetDateSplit + day;
 if( m_bolShowHour ){
  var hour = tiannetHour;
  if( hour < 10 && hour.toString().length == 1 ) hour = "0" + hour;
  value += tiannetDateTimeSplit + hour;
 }
 if( m_bolShowMinute ){
  var minute = tiannetMinute;
  if( minute < 10 && minute.toString().length == 1 ) minute = "0" + minute;
  value += tiannetTimeSplit + minute;
 }
 tiannetOutObject.value = value;
 //document.all.divTiannetDate.style.display = "none";
 if( bolHideControl ) {
  tiannetHideControl();
 }
}
//是否顯示時間
function showTime(){
 if( !m_bolShowHour && m_bolShowMinute){
  alert("如果要選擇分鐘，則必須可以選擇小時！");
  return;
 }
 hideElementsById(new Array("tiannetHourHead","selTianHour","tiannetMinuteHead","selTianMinute"),true);
 if( m_bolShowHour ){
  //顯示小時
  hideElementsById(new Array("tiannetHourHead"),false);
 }
 if( m_bolShowMinute ){
  //顯示分鐘
  hideElementsById(new Array("tiannetMinuteHead"),false);
 }
}
//彈出顯示日歷選擇控件，以讓用戶選擇
function tiannetPopCalendar(){
 //隱藏下拉框，顯示相對應(yīng)的head
 hideElementsById(new Array("selTianYear","selTianMonth","selTianHour","selTianMinute"),true);
 hideElementsById(new Array("tiannetYearHead","tiannetMonthHead","tiannetHourHead","tiannetMinuteHead"),false);
 tiannetSetDay(tiannetYear,tiannetMonth);
 tiannetWriteHead();
 showTime();
 var dads  = document.all.divTiannetDate.style;
 var iX, iY;
  
 var h = document.all.divTiannetDate.offsetHeight;
 var w = document.all.divTiannetDate.offsetWidth;
 //計算left
 if (window.event.x + h > document.body.offsetWidth - 10    )
  iX = window.event.x - h - 5 ;
 else
  iX = window.event.x + 5;  
 if (iX <0)  
  iX=0;
 //計算top
 iY = window.event.y;
 if (window.event.y + w > document.body.offsetHeight - 10   )
  iY = document.body.scrollTop + document.body.offsetHeight - w - 5 ;
 else
  iY = document.body.scrollTop +window.event.y + 5;  
 if (iY <0)  
  iY=0;
 dads.left = iX;
 dads.top = iY;
 tiannetShowControl();
 selectObject();
}
//隱藏日歷控件(同時顯示被強制隱藏的標簽)
function tiannetHideControl(){
 document.all.divTiannetDate.style.display = "none";
 tiannetShowObject();
 arrTiannetHide = new Array();//將被隱藏的標簽對象清空
}
//顯示日歷控件(同時隱藏會遮擋的標簽)
function tiannetShowControl(){
 document.all.divTiannetDate.style.display = "";
 tiannetHideObject("SELECT");
 tiannetHideObject("OBJECT");
}
//根據(jù)標簽名稱隱藏標簽。如會遮住控件的select，object
function tiannetHideObject(strTagName) {
 
 x = document.all.divTiannetDate.offsetLeft;
 y = document.all.divTiannetDate.offsetTop;
 h = document.all.divTiannetDate.offsetHeight;
 w = document.all.divTiannetDate.offsetWidth;
 
 for (var i = 0; i < document.all.tags(strTagName).length; i++)
 {
  
  var obj = document.all.tags(strTagName)[i];
  if (! obj || ! obj.offsetParent)
   continue;
  // 獲取元素對于BODY標記的相對坐標
  var objLeft   = obj.offsetLeft;
  var objTop    = obj.offsetTop;
  var objHeight = obj.offsetHeight;
  var objWidth = obj.offsetWidth;
  var objParent = obj.offsetParent;
  
  while (objParent.tagName.toUpperCase() != "BODY"){
   objLeft  += objParent.offsetLeft;
   objTop   += objParent.offsetTop;
   objParent = objParent.offsetParent;
  }
  //alert("控件左端:" + x + "select左端" + (objLeft + objWidth) + "控件底部:" + (y+h) + "select高:" + objTop);
  
  var bolHide = true;
  if( obj.style.display == "none" || obj.style.visibility == "hidden" || obj.getAttribute("Author") == "tiannet" ){
   //如果標簽本身就是隱藏的，則不需要再隱藏。如果是控件中的下拉框，也不用隱藏。
   bolHide = false;
  }
  if(  ( (objLeft + objWidth) > x && (y + h + 20) > objTop && (objTop+objHeight) >  y && objLeft < (x+w) ) && bolHide ){
   //arrTiannetHide.push(obj);//記錄被隱藏的標簽對象
   arrTiannetHide[arrTiannetHide.length] = obj;
   obj.style.visibility = "hidden";
  }
  
  
 }
}
//顯示被隱藏的標簽
function tiannetShowObject(){
 for(var i = 0;i < arrTiannetHide.length;i ++){
  //alert(arrTiannetHide[i]);
  arrTiannetHide[i].style.visibility = "";
 }
}
//初始化日期。
function tiannetInitDate(strDate){
 var arr = strDate.split(tiannetDateSplit);
 tiannetYear = arr[0];
 tiannetMonth = arr[1];
 tiannetDay = arr[2];
}
//清空
function tiannetClear(){
 tiannetOutObject.value = "";
 tiannetHideControl();
}
 //任意點擊時關(guān)閉該控件
function document.onclick(){ 
  with(window.event.srcElement){ 
 if (tagName != "INPUT" && getAttribute("Author") != "tiannet")
    tiannetHideControl();
  }
}
//按ESC鍵關(guān)閉該控件
function document.onkeypress(){
 if( event.keyCode == 27 ){
  tiannetHideControl();
 }
}