//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.Details." + Which + "Day");
  MonthObject = eval("document.Details." + Which + "Month");
  YearObject = eval("document.Details." + 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.Details." + Which + "Day");
  MonthObject = eval("document.Details." + Which + "Month");
  YearObject = eval("document.Details." + Which + "Year");

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

  ChangeOptionDays(Which);

  DaysObject[NowDay-1].selected = true;

  var today = new Date(),
		vDay = today.getDate(),
		vMonth = today.getMonth()+1,
		vYear = today.getFullYear();
  fMarkCombo(DaysObject,vDay)
  fMarkCombo(MonthObject,vMonth)
  fMarkCombo(YearObject,vYear)

}

function fMarkCombo(obj,val){
	for(var i=0; i<obj.options.length;i++)
	{
		if(obj.options[i].text==val)
		{
			obj.options[i].selected=true;
			return true;
		}
	}
	return false;
}

//function to write option years plus x
function WriteYearOptions(YearsBefore,YearsAhead)
{
  line = "";
  for (i=(NowYear-YearsBefore); i<(NowYear+YearsAhead); i++)
  {
    line += "<OPTION>";
    line += i;
  }
  return line;
}

function fDisplay(txt,d,m,y,s){
	txt.value= 
		document.getElementById(d).options[document.getElementById(d).selectedIndex].text + "/" +
		document.getElementById(m).options[document.getElementById(m).selectedIndex].value + "/" +
		document.getElementById(y).options[document.getElementById(y).selectedIndex].text 

	//fShowHebDate(s,txt.value)
}