<script language="Jscript">
this.title="달력";
//var gdCtrl = new Object();
var gcGray = "#BCBCBC";
var gcToggle = "#f7f7f7";
var gcBG = "#ffffff";

var now = new Date();

var giYear = now.getYear();
var giMonth = now.getMonth()+1;
var giDay = now.getDate();

function onstart() {
    fSetYearMon(giYear, giMonth);
}

function fSetDate(iYear, iMonth, iDay){
  iMonth = gn_lpad(iMonth,0,2);
  iDay = gn_lpad(iDay,0,2);
 
  window.returnValue=iYear+"-"+iMonth+"-"+iDay;
  window.close();
}

function gn_lpad(Rstring,pad_str,base_len){
     var Rstring = Rstring.toString();
     var str_len = Rstring.length;
    
    for(  var i=str_len ; i<= base_len; i++){
    
          if (str_len != base_len)  {
        Rstring = pad_str + Rstring;
                    str_len = Rstring.length;
    
          }
    }
    
    return Rstring;
}

function fSetSelected(aCell){
  var iOffset = 0;
  var iYear = parseInt(tbSelYear.value);
  var iMonth = parseInt(tbSelMonth.value);

  aCell.bgColor = gcBG;
  with (aCell.children["cellText"]){
          var iDay = parseInt(innerText);
        if (color==gcGray){
        return;
        //iOffset = (Victor<10)?-1:1;
       
        //iMonth += iOffset;
        }
       
        if (iMonth<1) {
            iYear--;
            iMonth = 12;
        }else if (iMonth>12){
                iYear++;
                iMonth = 1;
        }
  }
  fSetDate(iYear, iMonth, iDay);
}

//날짜 format 만들기
function fBuildCal(iYear, iMonth) {
  var aMonth=new Array();
  for(i=1;i<7;i++)
          aMonth[i]=new Array(i);

  var dCalDate=new Date(iYear, iMonth-1, 1);
  var iDayOfFirst=dCalDate.getDay();
  var iDaysInMonth=new Date(iYear, iMonth, 0).getDate();
  var iOffsetLast=new Date(iYear, iMonth-1, 0).getDate()-iDayOfFirst+1;
  var iDate = 1;
  var iNext = 1;

  for (d = 0; d < 7; d++)
        aMonth[1][d] = (d<iDayOfFirst)?-(iOffsetLast+d):iDate++;
  for (w = 2; w < 7; w++)
          for (d = 0; d < 7; d++)
                aMonth[w][d] = (iDate<=iDaysInMonth)?iDate++:-(iNext++);
  return aMonth;
}

// 달력 Drawing
function fDrawCal(iYear, iMonth, iCellWidth, iDateTextSize) {
  var WeekDay = new Array("일","월","화","수","목","금","토");
  var styleTD = " bgcolor='"+gcBG+"' width='"+iCellWidth+"' bordercolor='"+gcBG+"' valign='middle' align='center' style='font:bold font-size:8pt font-family:Tahoma "+iDateTextSize+" Courier;";         

  with (document) {
        write("<tr>");
        for(i=0; i<7; i++)
                write("<td font color:#888888 bgcolor=eeeeee align=center>" + WeekDay[i] + "</td>");
        write("</tr>");

          for (w = 1; w < 7; w++) {
                write("<tr>");
                for (d = 0; d < 7; d++) {
                        write("<td id=calCell "+styleTD+"cursor:hand;' onMouseOver='this.bgColor=gcToggle' onMouseOut='this.bgColor=gcBG' onclick='fSetSelected(this)'>");
                        write("<font id=cellText> </font>");
                        write("</td>")
                }
                write("</tr>");
        }
  }
}

// 날짜 setting
function fUpdateCal(iYear, iMonth) {
  myMonth = fBuildCal(iYear, iMonth);
  var i = 0;
  for (w = 0; w < 6; w++)
        for (d = 0; d < 7; d++)
                with (cellText[(7*w)+d]) {
                        Victor = i++;
                        if (myMonth[w+1][d]<0) {
                                color = gcGray;
                                innerText = -myMonth[w+1][d];
                        }else{
                                color = ((d==0)||(d==6))?"ff6600":"black";
                                innerText = myMonth[w+1][d];
                        }
                }
}

// 년,월 select  setting
function fSetYearMon(iYear, iMon){
  tbSelMonth.options[iMon-1].selected = true;
  for (i = 0; i < tbSelYear.length; i++)
        if (tbSelYear.options[i].value == iYear)
                tbSelYear.options[i].selected = true;
  fUpdateCal(iYear, iMon);
}

function fPrevMonth(){
  var iMon = tbSelMonth.value;
  var iYear = tbSelYear.value;

  if (--iMon<1) {
          iMon = 12;
          iYear--;
  }

  fSetYearMon(iYear, iMon);
}

function fNextMonth(){
  var iMon = tbSelMonth.value;
  var iYear = tbSelYear.value;

  if (++iMon>12) {
          iMon = 1;
          iYear++;
  }

  fSetYearMon(iYear, iMon);
}

var gMonths = new Array("1월","2월","3월","4월","5월","6월","7월","8월","9월","10월","11월","12월");

with(document){
write("<html>");
write("<head>");
write("<title>날짜 선택</title>");
write("</head><style>BODY,TD,SELECT,DIV,TEXTAREA,center {color:696969;font-size:8pt;font-family:돋움,Tahoma;}</style>");
write("<body onload='onstart()' topmargin=0 leftmargin=0>");
write("<table width='100%' height='100%' cellpadding=0 cellspacing=0><tr valign='middle'><td>");
write("<table id='popTable' border='0' bgcolor='#ffffff' cellpadding='0' cellspacing=0 align=center width=100%>");
write("<TR style='font-size:9pt'>");
write("<td valign='middle' align='center' height=30><input type='image' src='/images/date_icon_before.gif' name='PrevMonth' value='<' onClick='fPrevMonth()'>");

write(" <SELECT name='tbSelYear' style='font-size:9pt' onChange='fUpdateCal(tbSelYear.value, tbSelMonth.value)' Victor='Won'>");
for(i= now.getYear();i>=1995;i--)
        write("<OPTION value='"+i+"'>"+i+"년</OPTION>");
write("</SELECT>");
write(" <select name='tbSelMonth' style='font-size:9pt' onChange='fUpdateCal(tbSelYear.value, tbSelMonth.value)' Victor='Won'>");
for (i=0; i<12; i++)
        write("<option value='"+(i+1)+"'>"+gMonths[i]+"</option>");
write("</SELECT>");
write(" <input type='image' src='/images/date_icon_next.gif' name='PrevMonth' value='>'  onclick='fNextMonth()'>");
write("</td>");
write("</TR><tr><td height='5'></td></tr>");
write("<td align='center'>");
write("<DIV style='background-color:#ffffff;'><table width='93%' border='0' align=center cellspacing='1' cellpadding='3' bgcolor='dddddd'>");
fDrawCal(giYear, giMonth, 20, 12);
write("</table></DIV>");
write("</td>");
write("</TR>");
write("</TD></TR>");
write("</TABLE>");
write("</td></tr></table>");
write("</body>");
write("</html>");
}
</script>