function open_calendar(test,fieldname)
{
   if(navigator.userAgent.indexOf("MSIE") != -1)
   {
     xpos  = event.screenX-155;
     ypos  = event.screenY+10;
     window.open("/comn/calendar_ctrl.jsp?fieldname="+fieldname,"c1",
     "top="+ypos+",left="+xpos+",width=210,height=185, loactionbar=visible, menubar=visible");
   }
}

function open_modal_calendar(test,fieldval)
{
   if(navigator.userAgent.indexOf("MSIE") != -1)
   {
     xpos  		= event.screenX-155;
     ypos  		= event.screenY+10;
     fieldval= fieldval.substring(0,4)+'-'+fieldval.substring(4,6)+'-'+fieldval.substring(6,8);
     var ret 	= window.showModalDialog("/comn/modal_calendar_ctrl.jsp?fieldvalue="+fieldval,"c1", 'dialogHeight:235px;dialogWidth:220px;status:no; help:no; scroll:no; center:yes');
     if (ret)
     	if (test.classid.length=='42'){
	     	test.text = ret;
     	}else{
    	 	test.value = ret;
     	}
   }
}

function open_modal_calendar2(test,fieldval)
{
	if(navigator.userAgent.indexOf("MSIE") != -1)
   {
     xpos  		= event.screenX-155;
     ypos  		= event.screenY+10;
     fieldval= fieldval.substring(0,4)+'-'+fieldval.substring(4,6)+'-'+fieldval.substring(6,8);
     var ret 	= window.showModalDialog("/comn/modal_calendar_ctrl.jsp?fieldvalue="+fieldval,"c1", 'dialogHeight:235px;dialogWidth:220px;status:no; help:no; scroll:no; center:yes');
     if (ret){
    	 	test.value = ret;
		}
   }else{
	   xpos  		= event.screenX-155;
	     ypos  		= event.screenY+10;
	     fieldval= fieldval.substring(0,4)+'-'+fieldval.substring(4,6)+'-'+fieldval.substring(6,8);
	     var ret 	= window.showModalDialog("/comn/modal_calendar_ctrl.jsp?fieldvalue="+fieldval,"c1", 'dialogHeight:255px;dialogWidth:255px;status:no; help:no; scroll:no; center:yes');
	     if (ret){
	    	 	test.value = ret;
			} 
   }
}

function ChangeDateFormat(argObj)
{
	tDate = argObj.value ;
	Len   = tDate.length;
	if (Len == 10) LastDateFormat(argObj);
	var retval = tDate.split("-",3);
    if (retval[2] == null )
    {
	if(Len == 4 || Len == 7) argObj.value = tDate + "-";
	}
	return;
}
function LastDateFormat(argObj)
{
	var tDate  = argObj.value ;
	var retval = tDate.split("-",3);
	var ret    =  retval[0]+retval[1]+retval[2];
	var ret1   =  retval[0].substring(0,2);
	if (!checkDate(ret))
	{
		alert("Date Check Error !");
		return;
	}
	if (ret1 !=  "19"  &&  ret1 != "20" )
	{
		alert("Year Length Check Error !" );
	    return;
	}
    if (retval[1] > 12 )
    {
		alert("Month Check Error !" );
	    return;
    }
    if (retval[2] > 31 )
    {
		alert("Day Check Error !");
	    return;
    }
}
function checkDate(dateToCheck)
{
      var yyyy = dateToCheck.substring( 0, 4) ;
      var mm   = dateToCheck.substring( 4, 6) ;
      var dd   = dateToCheck.substring( 6, 8) ;

      if (yyyy < "1960" || yyyy > "2050")
         return false ;
      if (mm < "01" || mm > "12")
         return false ;
      if (dd < "01" || dd > "31")
         return false ;

      if (mm == "02" || mm == "04" || mm == "06" || mm == "09" || mm == "11")
         if (dd > "30")
            return false ;

      var modBy4   = yyyy % 4 ;
      var modBy100 = yyyy % 100 ;
      var modBy400 = yyyy % 400 ;

      if (mm == "02")
         if (dd > "29")
            return false ;

      if ((modBy4 == 0 && modBy100 != 0) || modBy400 == 0)
         if (mm == "02")
            if (dd > "28")
               return false ;

      return true ;
   }
function DateCalCheck(dateToCheck)
{
	return true;
}

function leapyear (Year) {
if (((Year % 4)==0) && ((Year % 100)!=0) || ((Year % 400)==0)) {
return (true);
} else { return (false); }
}

function monthdays(month,year)  {
var days;
if (month==0 || month==2 || month==4 || month==6 || month==7 || month==9 || month==11 || month==-1 || month==12)  days=31;
else if (month==3 || month==5 || month==8 || month==10) days=30;
else if (month==1)  {
if (leapyear(year)) { days=29; }
else { days=28; }
}
return (days);
}


//-> ÃÖÃÊ È£ÃâµÇ´Â ÇÔ¼ö
function setCalCur() {
	var now 	= new Date();
	var year 	= now.getYear();
	var month 	= now.getMonth();
	now 		= null;

	if (year < 2000) { year += 1900; }
	document.forms[0].elements["setY"].value = year;
	document.forms[0].elements["setM"].value = month + 1;
	
	setCalRequest(year, month + 1, "current")
}


function setCalRequest(reqYEAR, reqMONTH, reqPOS) {
	var reqDate				= new Date(eval(reqYEAR), eval(reqMONTH), 0, 0, 0, 0);
	var year 				= reqDate.getYear();
	var month 				= reqDate.getMonth();
	var firstDayInstance	= new Date(year, month, 1);
	var firstDay 			= firstDayInstance.getDay();
	var days 				= getDays(month, year);
	var now 				= new Date();
	var date 				= "";

	if(reqPOS == "current") { date = now.getDate(); }
	firstDayInstance	= null;
	reqDate 			= null;
	now 				= null;

	if(year < 100) { year = year + 1900; }
	target = document.forms[0].elements["target"].value;
	document.write(makeCal(firstDay + 1, days, date, year, month, reqPOS, target));
	return;
}

function getDays(month, year) {
	var ar 	= new Array(31,28,31,30,31,30,31,31,30,31,30,31);
	ar[1] 	= leapYear(year);
	return ar[month];
}

function leapYear(year) {
	if (year % 4 == 0 && year % 100 != 0 || year % 400 == 0) return 29;
	return 28;
}

function makeCal(firstDay, lastDate, date, year, month, cur, target) {
	var digit 		= 1;
	var curCell 	= 1;
	var digitColor 	= "#505050";

	var text 		= "";
	var openCol  	= "";
	var closeCol  	= "";

	var dayName 	= new Array("Sun","Mon","Tue","Wed","Thu","Fri","Sat");
	var outYear 	= year;
	 
	text +='<html>\n';
	text +='<head>\n';
	text +='<title>CALENDAR</title>\n';
	text +='<STYLE TYPE="text/css">\n';
	text +='<!--\n';
	text +='A{text-decoration:none}\n';
	text +='A:hover {background: #EFE48E;}\n';
	text +='-->\n';
	text +='</STYLE>\n';
	text +='<SCRIPT LANGUAGE="JavaScript" SRC="/js/calendar.js"></SCRIPT>\n';
	text +='</head>\n';
	text +='<body>\n';
	text +='<center>\n';
	text +='<form>\n';
	text +='<input type="hidden" name="setY" size=8 maxlength=4 value="' + year + '">\n';
	text +='<input type="hidden" name="setM" size=5 maxlength=2 value="' + (month+1) + '">\n';
	text +='<input type="hidden" name="target" value="' + target + '">\n';
	text +='</form>\n';
	text += '<TABLE BORDER=0 CELLSPACING=0 CELLPADDING=0 width=300>\n';
	text += '<TR>\n';
	text += '<TD valign=top><FONT COLOR=#666600 FACE=VERDANA,ARIAL,HELVETICA SIZE=+1><b>\n';
	text += '&nbsp;&nbsp;' + outYear  + '&nbsp;.&nbsp;' + getMonthNameKorea(month) ;
	text += '</b></FONT></TD>\n';
	text += '<TD align=right valign=bottom><FONT COLOR=#666600 FACE=VERDANA,ARIAL,HELVETICA size=-1>\n';
	text += '<a href="#" onclick="naviDate(\'d2\');"><img src="/images/left-2.gif" border=0></a>\n';
	text += '<a href="#" onclick="naviDate(\'d\');"><img src="/images/left.gif" border=0></a>\n';
	text += '<a href="#" onclick="naviDate(\'n\');"><img src="/images/now.gif" border=0></a>\n';
	text += '<a href="#" onclick="naviDate(\'i\');"><img src="/images/right.gif" border=0></a>\n';
	text += '<a href="#" onclick="naviDate(\'i2\');"><img src="/images/right-2.gif" border=0></a>&nbsp;&nbsp;</td>\n';
	text += '</font></TR>\n'; 
	text += '</TAbLE>\n';
	text += '<hr size=1>\n';
	text += '<TABLE BORDER=0 CELLSPACING=0 CELLPADDING=0 bgcolor="c0c0c0"><TR><TD>\n';
	text += '<TABLE BORDER=0 CELLSPACING=1 CELLPADDING=3>\n';
	
	text += '<TR ALIGN="center" VALIGN="center">\n';	
	for(var dayNum = 0; dayNum < 7; ++dayNum) {
		text += '<TD WIDTH=30 HEIGHT=25 BGCOLOR=#6F81FD><FONT COLOR=WHITE FACE=VERDANA,ARIAL,HELVETICA SIZE=2><B>\n';
		text += dayName[dayNum];
		text += '</B></FONT></TD>\n';
	}
	text += '</TR>\n';

	var counterOfcell 	= 0;
	var numOfline 		= Math.ceil((lastDate + firstDay - 1) / 7);
	for(var row = 1; row <= numOfline; ++row) {
		text += '<TR ALIGN="center" VALIGN="top">\n';
		for(var col = 1; col <= 7; ++col) {
			counterOfcell++;
			if(digit > lastDate) {
				for(var i=0; i <= (numOfline*7)-(lastDate + firstDay); i++ )	
					text += '<TD BGCOLOR=#d0d0d0></TD>\n';
				break;
			}
			if(curCell < firstDay) {
				text += '<TD BGCOLOR=#d0d0d0></TD>\n';
				curCell++;
			} else {
				digitColor ="#505050";
				if(isSunday(firstDay,digit)) { digitColor="#ff0000"; }
				if(digit == date && cur == "current") {
					text += '<TD HEIGHT=26 BGCOLOR=#f0f0f0><a href="#" onclick="selectedDate(\'' + outYear + '\',\'' + month + '\',\'' + digit + '\');">\n';
					text += '<FONT COLOR="' + digitColor + '" FACE="VERDANA,ARIAL,HELVETICA" size=-1>&nbsp;&nbsp;' + digit + '&nbsp;&nbsp;</FONT></a><br>\n';
					text += '<FONT COLOR=#660099 FACE="VERDANA,ARIAL,HELVETICA" SIZE=-2><CENTER>' + getTime() + '</CENTER></FONT></TD>\n';
				} else {
					text += '<TD HEIGHT=26 BGCOLOR=#f0f0f0><a href="#" onclick="selectedDate(\'' + outYear + '\',\'' + month + '\',\'' + digit + '\');">\n';
					text += '<FONT COLOR="' + digitColor + '" FACE="VERDANA,ARIAL,HELVETICA" size=-1>&nbsp;&nbsp;' + digit + '&nbsp;&nbsp;</FONT>\n';
					text += '</a></TD>\n';
				}
				digit++;
			}
		}
		text += '</TR>\n';
	}
	text += '</TABLE>\n';
	text += '</td></tr></TABLE>\n';
	text += '<TABLE BORDER=0 CELLSPACING=0 CELLPADDING=0 width=300>\n';
	text += '<TR><TD align=right><FONT COLOR=#666600 FACE=VERDANA,ARIAL,HELVETICA SIZE=-2>\n';
	text += getMonthNameEnglish(month) + "&nbsp;&nbsp;" + outYear;
	text += '</font></TD></TR>\n';
	text += '</TAbLE>\n';
	text +='</SCRIPT>\n';
	text +='</center>\n';
	text +='</body>\n';
	text +='</html>\n';
	
	return text;
}

function getMonthNameKorea(month) {
	var ar = new Array("1","2","3","4","5","6","7","8","9","10","11","12");
	return ar[month];
}


function isSunday(firstDay,testDay) {
	var firstSunday = 9-firstDay;
	if(firstSunday == 8) firstSunday=1;

	for(var i=firstSunday ; i <= 31 ; i += 7) {
		if ( i == testDay ) return 1;
		if ( i > testDay) return 0;
	}
	return 0;
}


function getTime() {
	var now 	= new Date();
	var hour 	= now.getHours();
	var minute 	= now.getMinutes();
	var ampm 	= "am";
	now 		= null;
	
	if (hour >= 12)	{ hour  -= 12; ampm = "pm"; } 
	if (hour == 0)	{ hour 	 = 12; }
	if (minute < 10){ minute = "0" + minute; }
	
	return hour + ":" + minute;
}

function getMonthNameEnglish(month) {
	var ar = new Array("January","February","March","April","May","June","July","August","September","October","November","December");
	return ar[month];
}


function naviDate(action) {
	var now 	= new Date();
	var year 	= now.getYear();
	var month 	= now.getMonth()+1;
	var command = "";
	now 		= null;
	
	if (year < 2000) { year += 1900; }

	var setY 	= document.forms[0].elements["setY"].value;
	var setM 	= document.forms[0].elements["setM"].value;
	var target = document.forms[0].elements["target"].value;

	if(action == "i2") {
		setY = eval(setY) + 1;
		command = "request";
	} else if(action == "i") {
		setM = eval(setM) + 1;
		if(setM > 12){setM = 1;setY = eval(setY) + 1;}
		command = "request";
	} else if(action == "d") {
		setM = eval(setM) - 1;
		if(setM < 1){setM = 12;setY = eval(setY) - 1;}			
		command = "request";
	} else if(action == "d2") {
		setY = eval(setY) - 1;		
		command = "request";
	} else if(action == "n") {
		command = "current";
	} else {
		return;
	}
	preBaseDrawCal(setY,setM,command,target);
}


function preBaseDrawCal(setY,setM,command,target) {
	var text = "";
	
	text +='<html>\n';
	text +='<head>\n';
	text +='<title>CALENDAR</title>\n';
	text +='<SCRIPT LANGUAGE="JavaScript" SRC="/js/calendar.js"></SCRIPT>\n';
	text +='</head>\n';
	if (command == "current")	{text +='<body onload="setCalCur()">\n';}
	if (command == "request")	{text +='<body onload="setCalRequest(\'' + setY + '\',\'' + setM + '\',\'request\')">\n';}
	text +='</body>\n';
	text +='<form>\n';
	text +='<input type="hidden" name="setY" size=8 maxlength=4 value="' + setY+ '">\n';
	text +='<input type="hidden" name="setM" size=5 maxlength=2 value="' + setM + '">\n';
	text +='<input type="hidden" name="target" value="' + target + '">\n';
	text +='</form>\n';
	text +='</html>\n';

	self.document.open();
	document.write(text);
	self.document.close();
}


function selectedDate(Y,M,D) {
	var vY 			= eval(Y);
	var vM 			= (eval(M)+1);
	var vD 			= eval(D);
	var dateString 	= "";
	var target 		= document.forms[0].elements["target"].value;
	
	if(vM < 10)	{vM = "0" + vM;}
	if(vD < 10)	{vD = "0" + vD;}
	dateString = Y + vM + vD;

	if(target == null || target == '') {
		window.returnValue = dateString + ";";
		window.close();
	} else {
		var MAIN_FORM 	= opener.document.MAIN_FORM;
		var to 			= eval("MAIN_FORM."+target)
		to.Text 		= dateString;
		to.focus();
		self.close();
	}
}