var dayA = new Array();
var monthA = new Array();
var yearA = new Array();
var targetfield;
monthA[0]="January";
monthA[1]="February";
monthA[2]="March";
monthA[3]="April";
monthA[4]="May";
monthA[5]="June";
monthA[6]="July";
monthA[7]="August"; 
monthA[8]="September"; 
monthA[9]="October";
monthA[10]="November"; 
monthA[11]="December";
for(var i=1;i<=31;i++) 
{ 
dayA[i]=i; 
} 
for(var i=0;i<10;i++) 
{ 
yearA[i]=gy(i); 
} 
function gm(num) { 
 var mydate = new Date(); 
 mydate.setDate(1); 
 mydate.setMonth(num-1); 
 var datestr = "" + mydate; 
 return datestr.substring(4,7); 
} 
function gy(num) { 
  var mydate = new Date(); 
  return (eval(mydate.getYear()) - 4 + num); 
} 
function ud(mon) { 
  var i = mon.selectedIndex; 
  if(mon.options[i].value == "2") { 
    document.forms[0].day.options[30] = null; 
    document.forms[0].day.options[29] = null; 
    var j = document.forms[0].year.selectedIndex; 
    var year = eval(document.forms[0].year.options[j].value); 
    if ( ((year%400)==0) || (((year%100)!=0) && ((year%4)==0)) ) { 
      if (document.forms[0].day.options[28] == null) { 
        document.forms[0].day.options[28] = new Option("29"); 
        document.forms[0].day.options[28].value = "29"; 
      } 
    } else { 
      document.forms[0].day.options[28] = null; 
    } 
  } 
  if(mon.options[i].value == "1" || 
     mon.options[i].value == "3" || 
     mon.options[i].value == "5" || 
     mon.options[i].value == "7" || 
     mon.options[i].value == "8" || 
     mon.options[i].value == "10" || 
     mon.options[i].value == "12") 
  { 
    if (document.forms[0].day.options[28] == null) { 
      document.forms[0].day.options[28] = new Option("29"); 
      document.forms[0].day.options[28].value = "29"; 
    } 
    if (document.forms[0].day.options[29] == null) { 
      document.forms[0].day.options[29] = new Option("30"); 
      document.forms[0].day.options[29].value = "30"; 
    } 
    if (document.forms[0].day.options[30] == null) { 
      document.forms[0].day.options[30] = new Option("31"); 
      document.forms[0].day.options[30].value = "31"; 
    } 
  } 
  if(mon.options[i].value == "4" || 
     mon.options[i].value == "6" || 
     mon.options[i].value == "9" || 
     mon.options[i].value == "11") 
  { 
    if (document.forms[0].day.options[28] == null) { 
      document.forms[0].day.options[28] = new Option("29"); 
      document.forms[0].day.options[28].value = "29"; 
    } 
    if (document.forms[0].day.options[29] == null) { 
      document.forms[0].day.options[29] = new Option("30"); 
      document.forms[0].day.options[29].value = "30"; 
    } 
    document.forms[0].day.options[30] = null; 
  } 
  if (document.forms[0].day.selectedIndex == -1) 
    document.forms[0].day.selectedIndex = 0; 
} 
function showdate() { 
  var i = document.forms[0].month.selectedIndex; 
  var j = document.forms[0].day.selectedIndex; 
  var k = document.forms[0].year.selectedIndex; 
  
  alert(document.forms[0].month.options[i].value + "/" + document.forms[0].day.options[j].value + "/" + document.forms[0].year.options[k].value) 
} 
function opencalendar(temptargetfield) {
var field= eval("document.forms[0]." + temptargetfield);
targetfield = "opener.document.forms[0]." + temptargetfield + ".value";
var mydate;
if(field.value == "" || field.value.length < 10 || field.value.length >10)
{
mydate = new Date(); 
}
else
{
var tempday = field.value.charAt(0).toString() + field.value.charAt(1).toString();
var tempmonth = (parseInt((parsemonth(field.value.charAt(3).toString(), field.value.charAt(4).toString())))-1).toString();
var tempyear = (parseInt(field.value.charAt(6).toString() + field.value.charAt(7).toString() + field.value.charAt(8).toString() + field.value.charAt(9).toString())).toString();
mydate = new Date(tempyear, tempmonth, tempday ); 
}
for(var i=0;i<=monthA.length;i++) 
{ 
	if (mydate.getMonth() == i) 
	{
		month = i+1;
	}
} 
year = mydate.getYear();
//yearA[4].toString();
calwin = window.open("","calwin","resizable,status,height=280,width=250"); 
calccal(calwin,month,year,targetfield); 
} 
function parsemonth(tmpm1, tmpm2)
{
var m1;
var m2;
var m3;
if (tmpm1 == "0")
{
m1 = "";
}
else
{
m1 = "1";
}
m2 = tmpm2;
m3 = m1.toString() + m2.toString();
return m3;
}
function calccal(targetwin,month,year,targetfield) { 
  var monthname = new Array(12); 
  monthname[0] = "January"; 
  monthname[1] = "February"; 
  monthname[2] = "March"; 
  monthname[3] = "April"; 
  monthname[4] = "May"; 
  monthname[5] = "June"; 
  monthname[6] = "July"; 
  monthname[7] = "August"; 
  monthname[8] = "September"; 
  monthname[9] = "October"; 
  monthname[10] = "November"; 
  monthname[11] = "December"; 
  var endday = calclastday(eval(month),eval(year)); 
  mystr = month + "/01/" + year; 
  mydate = new Date(mystr); 
  firstday = mydate.getDay(); 
  var cnt = 0; 
  var day = new Array(6); 
  for (var i=0; i<6; i++) 
    day[i] = new Array(7); 
  for (var r=0; r<6; r++) 
  { 
    for (var c=0; c<7; c++) 
    { 
      if ((cnt==0) && (c!=firstday)) 
        continue; 
      cnt++; 
      day[r][c] = cnt; 
      if (cnt==endday) 
        break; 
    } 
    if (cnt==endday) 
      break; 
  } 
  targetwin.document.write("<TABLE><TR VALIGN=TOP><FORM>"); 
  var prevyear = eval(year) - 1; 
  targetwin.document.write("<TD><INPUT TYPE=BUTTON NAME=prevyearbutton VALUE='<<'"+ 
   " onclick='document.close();opener.calccal(opener.calwin,"+month+","+prevyear+",\""+targetfield+"\")'></TD>"); 
  var prevmonth = calcprevmonth(month); 
  var prevmonthyear = calcprevyear(month,year); 
  targetwin.document.write("<TD><INPUT TYPE=BUTTON NAME=prevmonthbutton VALUE='&nbsp;<&nbsp;'"+ 
   " onclick='document.close();opener.calccal(opener.calwin,"+prevmonth+","+prevmonthyear+",\""+targetfield+"\")'></TD>"); 
  targetwin.document.write("<TD COLSPAN=3 ALIGN=CENTER>"); 
  var index = eval(month) - 1; 
  targetwin.document.write("<B>" + monthname[index] + " " + year + "</B></TD>"); 
  var nextmonth = calcnextmonth(month); 
  var nextmonthyear = calcnextyear(month,year); 
  targetwin.document.write("<TD><INPUT TYPE=BUTTON NAME=nextmonthbutton VALUE='&nbsp;>&nbsp;'"+ 
   " onclick='document.close();opener.calccal(opener.calwin,"+nextmonth+","+nextmonthyear+",\""+targetfield+"\")'></TD>"); 
  var nextyear = eval(year) + 1; 
  targetwin.document.write("<TD><INPUT TYPE=BUTTON NAME=nextyearbutton VALUE='>>'"+ 
   " onclick='document.close();opener.calccal(opener.calwin,"+month+","+nextyear+",\""+targetfield+"\")'></TD>"); 
  targetwin.document.write("</TR><TR>"); 
  targetwin.document.write("<TD>sSu</TD>"); 
  targetwin.document.write("<TD>Mo</TD>"); 
  targetwin.document.write("<TD>Tu</TD>"); 
  targetwin.document.write("<TD>We</TD>"); 
  targetwin.document.write("<TD>Th</TD>"); 
  targetwin.document.write("<TD>Fr</TD>"); 
  targetwin.document.write("<TD>Sa</TD>"); 
  targetwin.document.write("</TR>"); 
  targetwin.document.write("<TR><TD COLSPAN=7><HR NOSHADE></TD></TR>"); 
  var selectedmonth = eval(month) - 1; 
  var today = new Date(); 
  var thisyear = today.getYear(); 
  var selectedyear = eval(year) - thisyear + 4; 
  var conditionalpadder = ""; 
  for(r=0; r<6; r++) 
  { 
   targetwin.document.write("<TR>"); 
   for(c=0; c<7; c++) 
   { 
    targetwin.document.write("<TD>"); 
    if(day[r][c] != null) { 
      if (day[r][c] < 10) 
        conditionalpadder = "&nbsp;" 
      else 
        conditionalpadder = ""; 
      targetwin.document.write("<INPUT TYPE=BUTTON NAME="+day[r][c]+         " VALUE=" + conditionalpadder + day[r][c] + conditionalpadder +  
	" onClick=\"window.close();" +targetfield+"='"+((selectedmonth+1).toString() + "/"+ day[r][c]).toString() + "/" + yearA[selectedyear.toString()]+"';\";>");    } 
    targetwin.document.write("</TD>"); 
   } 
   targetwin.document.write("</TR>"); 
  } 
  targetwin.document.write("</FORM></TABLE>"); 
} 
function calclastday(month,year) { 
  if ((month==2) && ((year%4)==0)) 
    return 29; 
  if ((month==2) && ((year%4)!=0)) 
    return 28; 
  if ((month==1) || (month == 3) || (month == 5) || (month == 7) || 
      (month==8) || (month == 10) || (month ==12)) 
    return 31; 
  return 30; 
} 
function calcnextmonth(month) { 
  if (month=="12") 
    return "1"; 
  else 
    return (eval(month)+1); 
} 
function calcnextyear(month,year) { 
  if (month=="12") 
    return (eval(year)+1); 
  else 
    return (year); 
} 
function calcprevmonth(month) { 
  if (month=="1") 
    return "12"; 
  else 
    return (eval(month)-1); 
} 
function calcprevyear(month,year) { 
  if (month=="1") 
    return (eval(year)-1); 
  else 
    return (year); 
}