//定义显示时间的格式
//1. 年-月-日 如：2002-3-6
//2. 月/日/年 如：3/6/2002

var showType=1;//默认为1;2002-3-6

 //中文月份,如果想显示英文月份，修改下面的注释
 /*var months = new Array("January?, "February?, "March",
    "April", "May", "June", "July", "August", "September",
    "October", "November", "December");*/
 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);
  //中文周  如果想显示 英文的，修改下面的注释
 /*var days = new Array("Sunday", "Monday", "Tuesday",
    "Wednesday", "Thursday", "Friday", "Saturday");*/
 var days = new Array("日","一", "二", "三",
    "四", "五", "六");
 var getObject,oldObject;//取得当前对象
 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();
 } 


 today = new getToday();

 function newCalendar() { 
    today = new getToday();
    var parseYear = parseInt(document.all.year[document.all.year.selectedIndex].text);
    var parseMonth = eval(document.all.month.selectedIndex);
    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.tBodies.dayList;
    var intDaysInMonth =getDays(newCal.getMonth(), newCal.getFullYear());
    for (var intWeek = 0; 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.className = "today";
          else if(intDay==6)
              //周六
              cell.className = "sunday"; 
          else if (intDay==0)
              //周日
              cell.className ="satday";
          else
              //平常
              cell.className="normal";        
          if ((daily > 0) && (daily <= intDaysInMonth))
             { 
			      if (eval(parseYear)<eval(today.year))
				  {
					  cell.className = "normal"; 	
				  }
				  else if (eval(parseYear)==eval(today.year))
				  {
					  if (eval(parseMonth)==eval(today.month))
					  {
						 if (eval(daily)<eval(today.day)) cell.className = "normal";
					  }
					  else if(eval(parseMonth)<eval(today.month))
					  {
						 cell.className = "normal"; 
					  }
				  }
			      cell.innerText = daily;
               daily++;
             }
          else
              cell.innerText = "";
       }
 }

 function getDate() {
    var sDate;
	var parseYear=document.all.year.value;
	var parseMonth=document.all.month.value;
	var daily=event.srcElement.innerText;
    //这段代码处理鼠标点击的情况
    if ("TD" == event.srcElement.tagName)
       if ("" != event.srcElement.innerText)
	 {//从这儿可以改显示日期的格式
	    if(showType==1)
	       sDate = parseYear + "-" + parseMonth + "-" + daily + "";
		else if(showType==2)
           sDate =  parseMonth + "/" + daily +"/"+ parseYear;
		else
			sDate = parseYear + "-" + parseMonth + "-" + daily + "";

			//	setUpdateFlag(getObject);//触发事件，保存数据			
	  			getObject.value=sDate;
				HideLayer();
	 	 }
		 
 }
function HideLayer() {
	Layer.style.visibility = "hidden";
}

function LayerShow(){
	Layer.style.visibility = "visible";
}

function ShowLayer(t,l) {

	if(oldObject==null)oldObject=getObject;//付值
		if(Layer.style.visibility != "visible" && oldObject==getObject){//判断是否操作同一表格
				//if(l>480)l=l-131;
				Layer.style.top = t+document.body.scrollTop;
				Layer.style.left = l+document.body.scrollLeft;
				Layer.style.visibility = "visible";
				oldObject=getObject;
								}
	else if(oldObject==getObject){
		HideLayer();
	}
	else{
				//if(l>480)l=l-131;
				Layer.style.top = t+document.body.scrollTop;
				Layer.style.left = l+document.body.scrollLeft;
				Layer.style.visibility = "visible";
				oldObject=getObject;
	}
}
function selectDate(x){
window.event.cancelBubble = true;//冒泡，使触发页面事件失效
getObject=x;
var xx=event.clientX;//取得x坐标;
var yy=event.clientY;//取得y坐标;
newCalendar();
ShowLayer(yy,xx);//显示出div
}
function show(){//冒泡，点击层失效
window.event.cancelBubble = true;
}
//定义移动
var Obj=''
document.onmouseup=MUp
document.onmousemove=MMove

function MDown(Object){
Obj=Object.id
document.all(Obj).setCapture();
pX=event.x-document.all(Obj).style.pixelLeft;
pY=event.y-document.all(Obj).style.pixelTop;
}

function MMove(){
if(Obj!=''){
	document.all(Obj).style.left=event.x-pX;
	document.all(Obj).style.top=event.y-pY;
	}
}

function MUp(){
if(Obj!=''){
	document.all(Obj).releaseCapture();
	Obj='';
	}
}


//定义div显示日期;
function getLayer(){

	document.write("<div id=\"Layer\"  onclick=show() style=\"position:absolute; width:131px; z-index:2; border:1px inset black; background-color: #f0f8ff; layer-background-color: #f0f8ff; visibility: hidden; height: 38; left:58; top:137;\"><input type=\"hidden\" name=\"ret\"><table bgcolor=#99B6D0 width=100% style=\"cursor:move\" onmousedown=MDown(Layer)><tr align=center><td>按住鼠标拖动</td></tr></table><table id=\"calendar\" cellpadding=\"0\" align=\"center\"><thead><tr><td colspan=7 align=CENTER>");
	 document.write ("<select id=\"year\" onChange=\"newCalendar()\" name=\"select\" class=\"smallSel\">");
	 for (var intLoop = today.year-1; intLoop < (today.year + 10);                          intLoop++)
	 document.write("<OPTION VALUE= " + intLoop + " " +
	 (today.year == intLoop ?  "Selected" : "") + ">" + intLoop);
	 document.write ("</select>");
	 
	 document.write ("<select id=\"month\" onChange=\"newCalendar()\" name=\"select\" class=\"smallSel\">");
	 for (var intLoop = 0; intLoop < months.length;  intLoop++)
	 document.write("<OPTION VALUE= " + (intLoop + 1) + " " + (today.month == intLoop ? "Selected" : "") + ">" + months[intLoop]);
	document.write("</select>");
	
	document.write("</td></tr><tr class=\"days\">");
	document.write("<TD class=satday>" + days[0] + "</TD>");
	for (var intLoop = 1; intLoop < days.length-1;intLoop++)
	document.write("<TD>" + days[intLoop] + "</TD>");
	document.write("<TD class=sunday>" + days[intLoop] + "</TD>");
	document.write("      </tr>      </thead> <tbody border=1 cellspacing=\"0\" cellpadding=\"0\" id=\"dayList\" align=CENTER ONCLICK='getDate()'>");
	 for (var intWeeks = 0; intWeeks < 6; intWeeks++) {
	document.write("<TR style='cursor:hand'>");
	 for (var intDays = 0; intDays < days.length;intDays++)
	document.write("<TD></TD>");
	document.write("</TR>");
	 }
	document.write("</tbody></table><table width='100%' cellpadding=0 cellspacing=0 bgcolor='#99B6D0' height=20 style='cursor:hand' onclick='HideLayer();'><tr align=center><td align=center>关 闭</td></tr></table></div>");


	document.body.onclick=HideLayer;//触发点击页面事件，关闭窗口
	document.oncontextmenu=HideLayer;//触发点击页面右键，关闭窗口
}
//显示css
document.write("<style>TABLE	{font-family:宋体,MS SONG,SimSun,tahoma,sans-serif; font-size:9pt;border:0px}.drpdwn	{font-family:宋体,MS SONG,SimSun,tahoma,sans-serif;font-size:9pt;color:#000066;background-color:#FFFFFF} SELECT.smallSel{    BACKGROUND-COLOR: #ffffff;    COLOR: #000080;    FONT-SIZE: 9pt} .normal{BACKGROUND: #ffffff} .today {font-weight:bold;BACKGROUND: #6699cc} .satday{color:green} .unableday{color:#999999} .sunday{color:red} .days {font-weight:bold} .Arraw {color:#0000BB; cursor:hand; font-family:Webdings; font-size:9pt}</style>");
getLayer();//显示div