/*按比例生成缩略图*/
function DrawImage(ImgD,W,H){ 
  var flag=false; 
  var image=new Image(); 
  image.src=ImgD.src; 
  if(image.width>0 && image.height>0){ 
    flag=true; 
    if(image.width/image.height>= W/H){ 
      if(image.width>W){
        ImgD.width=W; 
        ImgD.height=(image.height*H)/image.width; 
      }
	  else{ 
        ImgD.width=image.width;
        ImgD.height=image.height; 
      } 
      ImgD.alt= ""; 
    } 
    else{ 
      if(image.height>H){
        ImgD.height=H; 
        ImgD.width=(image.width*W)/image.height; 
      }
	  else{ 
        ImgD.width=image.width;
        ImgD.height=image.height; 
      } 
      ImgD.alt=""; 
    } 
  }
}

//选择起始日期-----------------------------------------------------------------
var DS_x,DS_y;

function dateSelector()  //构造dateSelector对象，用来实现一个日历形式的日期输入框。
{
  var myDate=new Date();
  this.year=myDate.getFullYear();  //定义year属性，年份，默认值为当前系统年份。
  this.month=myDate.getMonth()+1;  //定义month属性，月份，默认值为当前系统月份。
  this.date=myDate.getDate();  //定义date属性，日，默认值为当前系统的日。
  this.inputName='';  //定义inputName属性，即输入框的name，默认值为空。注意：在同一页中出现多个日期输入框，不能有重复的name！
  this.display=display;  //定义display方法，用来显示日期输入框。
}

function display()  //定义dateSelector的display方法，它将实现一个日历形式的日期选择框。
{
  var week=new Array('日','一','二','三','四','五','六');

  document.write("<style type=text/css>");
  document.write("  .ds_font td,span  { font: normal 12px 宋体; color: #000000; }");
  document.write("  .ds_border  { border: 1px solid #000000; cursor: hand; background-color: #DDDDDD }");
  document.write("  .ds_border2  { border: 1px solid #000000; cursor: hand; background-color: #DDDDDD }");
  document.write("</style>");

  document.write("<input style='width:72px;text-align:left;' class='textfield' id='DS_"+this.inputName+"' name='"+this.inputName+"' value='"+this.year+"-"+this.month+"-"+this.date+"' title=双击可进行编缉 ondblclick='this.readOnly=false;this.focus()' onblur='this.readOnly=true' readonly>");
  document.write("<button style='width:60px;height:18px;font-size:12px;margin:1px;border:1px solid #A4B3C8;background-color:#DFE7EF;' type=button onclick=this.nextSibling.style.display='block' onfocus=this.blur()>选择日期</button>");

  document.write("<div style='position:absolute;display:none;text-align:center;width:0px;height:0px;overflow:visible' onselectstart='return false;'>");
  document.write("  <div style='position:absolute;left:-60px;top:20px;width:142px;height:165px;background-color:#F6F6F6;border:1px solid #245B7D;' class=ds_font>");
  document.write("    <table cellpadding=0 cellspacing=1 width=140 height=20 bgcolor=#CEDAE7 onmousedown='DS_x=event.x-parentNode.style.pixelLeft;DS_y=event.y-parentNode.style.pixelTop;setCapture();' onmouseup='releaseCapture();' onmousemove='dsMove(this.parentNode)' style='cursor:move;'>");
  document.write("      <tr align=center>");
  document.write("        <td width=12% onmouseover=this.className='ds_border' onmouseout=this.className='' onclick=subYear(this) title='减小年份'>&lt;&lt;</td>");
  document.write("        <td width=12% onmouseover=this.className='ds_border' onmouseout=this.className='' onclick=subMonth(this) title='减小月份'>&lt;</td>");
  document.write("        <td width=52%><b>"+this.year+"</b><b>年</b><b>"+this.month+"</b><b>月</b></td>");
  document.write("        <td width=12% onmouseover=this.className='ds_border' onmouseout=this.className='' onclick=addMonth(this) title='增加月份'>&gt;</td>");
  document.write("        <td width=12% onmouseover=this.className='ds_border' onmouseout=this.className='' onclick=addYear(this) title='增加年份'>&gt;&gt;</td>");
  document.write("      </tr>");
  document.write("    </table>");

  document.write("    <table cellpadding=0 cellspacing=0 width=140 height=20 onmousedown='DS_x=event.x-parentNode.style.pixelLeft;DS_y=event.y-parentNode.style.pixelTop;setCapture();' onmouseup='releaseCapture();' onmousemove='dsMove(this.parentNode)' style='cursor:move;'>");
  document.write("      <tr align=center>");
  for(i=0;i<7;i++)
	document.write("      <td>"+week[i]+"</td>");
  document.write("      </tr>");
  document.write("    </table>");

  document.write("    <table cellpadding=0 cellspacing=2 width=140 bgcolor=#EEEEEE>");
  for(i=0;i<6;i++)
  {
    document.write("    <tr align=center>");
	for(j=0;j<7;j++)
      document.write("    <td width=10% height=16 onmouseover=if(this.innerText!=''&&this.className!='ds_border2')this.className='ds_border' onmouseout=if(this.className!='ds_border2')this.className='' onclick=getValue(this,document.all('DS_"+this.inputName+"'))></td>");
    document.write("    </tr>");
  }
  document.write("    </table>");

  document.write("    <span style=cursor:hand onclick=this.parentNode.parentNode.style.display='none'>【关闭】</span>");
  document.write("  </div>");
  document.write("</div>");

  dateShow(document.all("DS_"+this.inputName).nextSibling.nextSibling.childNodes[0].childNodes[2],this.year,this.month)
}

function subYear(obj)  //减小年份
{
  var myObj=obj.parentNode.parentNode.parentNode.cells[2].childNodes;
  myObj[0].innerHTML=eval(myObj[0].innerHTML)-1;
  dateShow(obj.parentNode.parentNode.parentNode.nextSibling.nextSibling,eval(myObj[0].innerHTML),eval(myObj[2].innerHTML))
}

function addYear(obj)  //增加年份
{
  var myObj=obj.parentNode.parentNode.parentNode.cells[2].childNodes;
  myObj[0].innerHTML=eval(myObj[0].innerHTML)+1;
  dateShow(obj.parentNode.parentNode.parentNode.nextSibling.nextSibling,eval(myObj[0].innerHTML),eval(myObj[2].innerHTML))
}

function subMonth(obj)  //减小月份
{
  var myObj=obj.parentNode.parentNode.parentNode.cells[2].childNodes;
  var month=eval(myObj[2].innerHTML)-1;
  if(month==0)
  {
    month=12;
    subYear(obj);
  }
  myObj[2].innerHTML=month;
  dateShow(obj.parentNode.parentNode.parentNode.nextSibling.nextSibling,eval(myObj[0].innerHTML),eval(myObj[2].innerHTML))
}

function addMonth(obj)  //增加月份
{
  var myObj=obj.parentNode.parentNode.parentNode.cells[2].childNodes;
  var month=eval(myObj[2].innerHTML)+1;
  if(month==13)
  {
    month=1;
    addYear(obj);
  }
  myObj[2].innerHTML=month;
  dateShow(obj.parentNode.parentNode.parentNode.nextSibling.nextSibling,eval(myObj[0].innerHTML),eval(myObj[2].innerHTML))
}

function dateShow(obj,year,month)  //显示各月份的日
{
  var myDate=new Date(year,month-1,1);
  var today=new Date();
  var day=myDate.getDay();
  var selectDate=obj.parentNode.parentNode.previousSibling.previousSibling.value.split('-');
  var length;
  switch(month)
  {
    case 1:
    case 3:
    case 5:
    case 7:
    case 8:
    case 10:
    case 12:
      length=31;
      break;
    case 4:
    case 6:
    case 9:
    case 11:
      length=30;
      break;
    case 2:
      if((year%4==0)&&(year%100!=0)||(year%400==0))
        length=29;
      else
        length=28;
  }
  for(i=0;i<obj.cells.length;i++)
  {
    obj.cells[i].innerHTML='';
    obj.cells[i].style.color='';
    obj.cells[i].className='';
  }
  for(i=0;i<length;i++)
  {
    obj.cells[i+day].innerHTML=(i+1);
    if(year==today.getFullYear()&&(month-1)==today.getMonth()&&(i+1)==today.getDate())
      obj.cells[i+day].style.color='red';
    if(year==eval(selectDate[0])&&month==eval(selectDate[1])&&(i+1)==eval(selectDate[2]))
      obj.cells[i+day].className='ds_border2';
  }
}

function getValue(obj,inputObj)  //把选择的日期传给输入框
{
  var myObj=inputObj.nextSibling.nextSibling.childNodes[0].childNodes[0].cells[2].childNodes;
  if(obj.innerHTML)
    inputObj.value=myObj[0].innerHTML+"-"+myObj[2].innerHTML+"-"+obj.innerHTML;
  inputObj.nextSibling.nextSibling.style.display='none';
  for(i=0;i<obj.parentNode.parentNode.parentNode.cells.length;i++)
    obj.parentNode.parentNode.parentNode.cells[i].className='';
  obj.className='ds_border2'
}

function dsMove(obj)  //实现层的拖移
{
  if(event.button==1)
  {
    var X=obj.clientLeft;
    var Y=obj.clientTop;
    obj.style.pixelLeft=X+(event.x-DS_x);
    obj.style.pixelTop=Y+(event.y-DS_y);
  }
}


//以下是时间
var target;
var stime;
document.write("<div id=minical oncontextmenu='return false' ondragstart='return false' onselectstart='return false' style=\"background:F9F9F9; margin:5; padding:5;margin-top:2;border-top:1 solid buttonshadow;border-left: 1 solid buttonshadow;border-right: 1 solid buttonshadow;border-bottom:1 solid buttonshadow;width:160;display:none;position: absolute; z-index: 99\"></div>");

function Calendar(obj) {		
	var now = obj.value.split("-");
	var x, y;
	
	target = obj;

	x = (document.layers) ? loc.pageX : event.clientX;
	y = (document.layers) ? loc.pageY : event.clientY;
	
	x = document.body.scrollLeft + x;
	y = document.body.scrollTop + y;

	minical.style.pixelTop	= y+7;
	minical.style.pixelLeft	= x-50;
	minical.style.display = (minical.style.display == "block") ? "none" : "block";

	if (now.length == 3) {		
		Show_cal(now[0],now[1],now[2]);
	} else {
		now = new Date();
		Show_cal(now.getFullYear(), now.getMonth()+1, now.getDate());
	}
}
	
function doOver() {			
	var el = window.event.srcElement;
	cal_Day = el.title;

	if (cal_Day.length > 7) {		
		el.style.borderTopColor = el.style.borderLeftColor = "buttonhighlight";
		el.style.borderRightColor = el.style.borderBottomColor = "buttonshadow";
	}
	window.clearTimeout(stime);
}

function doClick() {		
	cal_Day = window.event.srcElement.title;
	window.event.srcElement.style.borderColor = "red";
	if (cal_Day.length > 7) {	
		target.value=cal_Day		
	}
	minical.style.display='none';
}

function doOut() {
	var el = window.event.fromElement;
	cal_Day = el.title;

	if (cal_Day.length > 7) {
		el.style.borderColor = "white";
	}
	//stime=window.setTimeout("minical.style.display='none';", 200);
}

function day2(d) {			
	var str = new String();
	
	if (parseInt(d) < 10) {
		str = "0" + parseInt(d);
	} else {
		str = "" + parseInt(d);
	}
	return str;
}

function Show_cal(sYear, sMonth, sDay) {
	var Months_day = new Array(0,31,28,31,30,31,30,31,31,30,31,30,31)
	var Weekday_name = new Array("日", "一", "二", "三", "四", "五", "六");
	var intThisYear = new Number(), intThisMonth = new Number(), intThisDay = new Number();
	document.all.minical.innerHTML = "";
	datToday = new Date();
	
	intThisYear = parseInt(sYear);
	intThisMonth = parseInt(sMonth);
	intThisDay = parseInt(sDay);
	
	if (intThisYear == 0) intThisYear = datToday.getFullYear();
	if (intThisMonth == 0) intThisMonth = parseInt(datToday.getMonth())+1;
	if (intThisDay == 0) intThisDay = datToday.getDate();
	
	switch(intThisMonth) {
		case 1:
				intPrevYear = intThisYear -1;
				intPrevMonth = 12;
				intNextYear = intThisYear;
				intNextMonth = 2;
				break;
		case 12:
				intPrevYear = intThisYear;
				intPrevMonth = 11;
				intNextYear = intThisYear + 1;
				intNextMonth = 1;
				break;
		default:
				intPrevYear = intThisYear;
				intPrevMonth = parseInt(intThisMonth) - 1;
				intNextYear = intThisYear;
				intNextMonth = parseInt(intThisMonth) + 1;
				break;
	}

	NowThisYear = datToday.getFullYear();
	NowThisMonth = datToday.getMonth()+1;
	NowThisDay = datToday.getDate();
	
	datFirstDay = new Date(intThisYear, intThisMonth-1, 1);
	intFirstWeekday = datFirstDay.getDay();
	
	intSecondWeekday = intFirstWeekday;
	intThirdWeekday = intFirstWeekday;
	
	datThisDay = new Date(intThisYear, intThisMonth, intThisDay);
	intThisWeekday = datThisDay.getDay();

	varThisWeekday = Weekday_name[intThisWeekday];
	
	intPrintDay = 1			
	secondPrintDay = 1
	thirdPrintDay = 1
	
	Stop_Flag = 0
	
	if ((intThisYear % 4)==0) {	
		if ((intThisYear % 100) == 0) {
			if ((intThisYear % 400) == 0) {
				Months_day[2] = 29;
			}
		} else {
			Months_day[2] = 29;
		}
	}
	intLastDay = Months_day[intThisMonth];
	Stop_flag = 0
	
	Cal_HTML = "<TABLE WIDTH=158 BORDER=0 CELLPADDING=0 CELLSPACING=0 ONMOUSEOVER=doOver(); ONMOUSEOUT=doOut(); STYLE='font-size:8pt;font-family:Tahoma;'>"
			+ "<TR ALIGN=CENTER style=padding-top:2px;padding-bottom:5px><TD COLSPAN=7 nowrap=nowrap ALIGN=CENTER><SPAN TITLE='上个月' STYLE=cursor:hand; onClick='Show_cal("+intPrevYear+","+intPrevMonth+","+intThisDay+");'><FONT COLOR=gray>←</FONT></SPAN> "
			+ "<span class=gray_03>"+get_Yearinfo(intThisYear,intThisMonth,intThisDay)+"年"+get_Monthinfo(intThisYear,intThisMonth,intThisDay)+"月</span>"
			+ " <SPAN TITLE='下个月' STYLE=cursor:hand; onClick='Show_cal("+intNextYear+","+intNextMonth+","+intThisDay+");'><FONT COLOR=gray>→</FONT></SPAN></TD></TR>"
			+ "<TR ALIGN=CENTER BGCOLOR=EEEEEE STYLE='color:#999999;padding-top:3px;'><TD>日</TD><TD>一</TD><TD>二</TD><TD>三</TD><TD>四</TD><TD>五</TD><TD>六</TD></TR>";
			
	for (intLoopWeek=1; intLoopWeek < 7; intLoopWeek++) {
		Cal_HTML += "<TR ALIGN=RIGHT BGCOLOR=WHITE>"
		for (intLoopDay=1; intLoopDay <= 7; intLoopDay++) {
			if (intThirdWeekday > 0) {	
				Cal_HTML += "<TD onClick=doClick();>";
				intThirdWeekday--;
			} else {
				if (thirdPrintDay > intLastDay) {	
					Cal_HTML += "<TD onClick=doClick();>";
				} else {
					switch(intLoopDay) {
						case 1:	

							Cal_HTML += "<TD onClick=doClick(); title="+intThisYear+"-"+day2(intThisMonth).toString()+"-"+day2(thirdPrintDay).toString()+" STYLE=\"cursor:Hand;border:1px solid white;color:red;"
							if (intThisYear == NowThisYear && intThisMonth==NowThisMonth && thirdPrintDay==intThisDay) {
							Cal_HTML += "color:#000000;font-weight:bold;";
							}
							break;
						case 7:
							Cal_HTML += "<TD onClick=doClick(); title="+intThisYear+"-"+day2(intThisMonth).toString()+"-"+day2(thirdPrintDay).toString()+" STYLE=\"cursor:Hand;border:1px solid white;color:blue;"
							if (intThisYear == NowThisYear && intThisMonth==NowThisMonth && thirdPrintDay==intThisDay) {
							Cal_HTML += "color:#000000;font-weight:bold;";
							}
							break;
						default:
							Cal_HTML += "<TD onClick=doClick(); title="+intThisYear+"-"+day2(intThisMonth).toString()+"-"+day2(thirdPrintDay).toString()+" STYLE=\"cursor:Hand;border:1px solid white;color:666666;"
							if (intThisYear == NowThisYear && intThisMonth==NowThisMonth && thirdPrintDay==intThisDay) {
							Cal_HTML += "color:#000000;font-weight:bold;";
							}
							break;
					}
					
					Cal_HTML += "\">"+thirdPrintDay;
					
				}
				thirdPrintDay++;
				
				if (thirdPrintDay > intLastDay) {	
					Stop_Flag = 1;
				}
			}
			Cal_HTML += "</TD>";
		}
		Cal_HTML += "</TR>";
		if (Stop_Flag==1) break;
	}
	Cal_HTML += "</TABLE>";

	document.all.minical.innerHTML = Cal_HTML;
}

function get_Yearinfo(year,month,day) {	
	var min = parseInt(year) - 100;
	var max = parseInt(year) + 10;
	var i = new Number();
	var str = new String();
	
	str = "<SELECT class=gray_03 onChange='Show_cal(this.value,"+month+","+day+");' ONMOUSEOVER=doOver();>";
	for (i=min; i<=max; i++) {
		if (i == parseInt(year)) {
			str += "<OPTION VALUE="+i+" selected ONMOUSEOVER=doOver();>"+i+"</OPTION>";
		} else {
			str += "<OPTION VALUE="+i+" ONMOUSEOVER=doOver();>"+i+"</OPTION>";
		}
	}
	str += "</SELECT>";
	return str;
}


function get_Monthinfo(year,month,day) {	
	var i = new Number();
	var str = new String();
	
	str = "<SELECT class=gray_03 onChange='Show_cal("+year+",this.value,"+day+");' ONMOUSEOVER=doOver();>";
	for (i=1; i<=12; i++) {
		if (i == parseInt(month)) {
			str += "<OPTION VALUE="+i+" selected ONMOUSEOVER=doOver();>"+i+"</OPTION>";
		} else {
			str += "<OPTION VALUE="+i+" ONMOUSEOVER=doOver();>"+i+"</OPTION>";
		}
	}
	str += "</SELECT>";
	return str;
}