//set todays date
Now = new Date();
NowDay = Now.getDate();
NowMonth = Now.getMonth();
NowYear = Now.getYear();
if (NowYear < 2000) NowYear += 1900; //for Netscape
//
////function for returning how many days there are in a month including leap years
function DaysInMonth(WhichMonth, WhichYear)
{
var DaysInMonth = 31;
if (WhichMonth == "Apr" || WhichMonth == "Jun" || WhichMonth == "Sep" || WhichMonth == "Nov") DaysInMonth = 30;
if (WhichMonth == "Feb" && (WhichYear/4) != Math.floor(WhichYear/4))	DaysInMonth = 28;
if (WhichMonth == "Feb" && (WhichYear/4) == Math.floor(WhichYear/4))	DaysInMonth = 29;
return DaysInMonth;
}
//function to change the available days in a months
function ChangeOptionDays(Which)
{
DaysObject = eval("document.regit." + Which + "Day");
MonthObject = eval("document.regit." + Which + "Month");
YearObject = eval("document.regit." + Which + "Year");

Month = MonthObject[MonthObject.selectedIndex].text;
Year = YearObject[YearObject.selectedIndex].text;

DaysForThisSelection = DaysInMonth(Month, Year);
CurrentDaysInSelection = DaysObject.length;
if (CurrentDaysInSelection > DaysForThisSelection)
{
for (i=0; i<(CurrentDaysInSelection-DaysForThisSelection); i++)
    {
      DaysObject.options[DaysObject.options.length - 1] = null
    }
  }
  if (DaysForThisSelection > CurrentDaysInSelection)
  {
    for (i=0; i<(DaysForThisSelection-CurrentDaysInSelection); i++)
    {
      NewOption = new Option(DaysObject.options.length + 1);
      DaysObject.add(NewOption);
    }
  }
    if (DaysObject.selectedIndex < 0) DaysObject.selectedIndex == 0;
}
//function to set options to today
function SetToToday(Which)
{
  DaysObject = eval("document.regit." + Which + "Day");
  MonthObject = eval("document.regit." + Which + "Month");
  YearObject = eval("document.regit." + Which + "Year");

  YearObject[0].selected = true;
  MonthObject[NowMonth].selected = true;

  ChangeOptionDays(Which);

  DaysObject[NowDay-1].selected = true;
}

function WriteYearOptions(YearsAhead)
{
  line = "";
var Olderyear=NowYear-YearsAhead;
  for (i=0; i<YearsAhead; i++)
  {
var ggg=NowYear - i;
    line += "<OPTION value="+ggg+">";
    line += NowYear - i;
  }
  return line;
}