function checkDate(objName)
{
	var strDatestyle = "US"; //United States style
	//var strDatestyle = "EU";  //European style
	var strDate;
	var strDateArray;
	var strDay;
	var strMonth;
	var strYear;
	var intDay;
	var intMonth;
	var intYear;
	var booFound = false;
	var datefield = objName;
	var strSeparatorArray = new Array("-"," ","/",".");
	var intElementNr;
	var err = 0;
	var strMonthArray = new Array(12);
	strMonthArray[0] = "Jan";
	strMonthArray[1] = "Feb";
	strMonthArray[2] = "Mar";
	strMonthArray[3] = "Apr";
	strMonthArray[4] = "May";
	strMonthArray[5] = "Jun";
	strMonthArray[6] = "Jul";
	strMonthArray[7] = "Aug";
	strMonthArray[8] = "Sep";
	strMonthArray[9] = "Oct";
	strMonthArray[10] = "Nov";
	strMonthArray[11] = "Dec";
	
	strDate = datefield.value;

	if (strDate.length < 1)
	{
		return false;
	}

	for (intElementNr = 0; intElementNr < strSeparatorArray.length; intElementNr++)
	{
		if (strDate.indexOf(strSeparatorArray[intElementNr]) != -1)
		{
			strDateArray = strDate.split(strSeparatorArray[intElementNr]);
			if (strDateArray.length != 3)
			{
				err = 1;
				return false;
			}
			else
			{
				strDay = strDateArray[0];
				strMonth = strDateArray[1];
				strYear = strDateArray[2];
			}
			booFound = true;
		}
	}

	if (booFound == false)
	{
		if (strDate.length>5)
		{
			strDay = strDate.substr(0, 2);
			strMonth = strDate.substr(2, 2);
			strYear = strDate.substr(4);
		}
	}

	if (strYear.length == 2)
	{
		strYear = '20' + strYear;
	}

	// US style
	if (strDatestyle == "US")
	{
		strTemp = strDay;
		strDay = strMonth;
		strMonth = strTemp;
	}

	intDay = parseInt(strDay, 10);

	if (isNaN(intDay))
	{
		err = 2;
		return false;
	}

	intMonth = parseInt(strMonth, 10);

	if (isNaN(intMonth))
	{
		for (i = 0;i<12;i++)
		{
			if (strMonth.toUpperCase() == strMonthArray[i].toUpperCase())
			{
				intMonth = i+1;
				strMonth = strMonthArray[i];
				i = 12;
	   		}
		}

		if (isNaN(intMonth))
		{
			err = 3;
			return false;
		}
	}

	intYear = parseInt(strYear, 10);

	if (isNaN(intYear)||strYear.length<2)
	{
		err = 4;
		return false;
	}
	
	if (intMonth>12 || intMonth<1)
	{
		err = 5;
		return false;
	}

	if ((intMonth == 1 || intMonth == 3 || intMonth == 5 || intMonth == 7 || intMonth == 8 || intMonth == 10 || intMonth == 12) && (intDay > 31 || intDay < 1))
	{
		err = 6;
		return false;
	}

	if ((intMonth == 4 || intMonth == 6 || intMonth == 9 || intMonth == 11) && (intDay > 30 || intDay < 1))
	{
		err = 7;
		return false;
	}

	if (intMonth == 2)
	{
		if (intDay < 1)
		{
			err = 8;
			return false;
		}
		if (LeapYear(intYear) == true)
		{
			if (intDay > 29)
			{
				err = 9;
				return false;
			}
		}
		else
		{
			if (intDay > 28)
			{
				err = 10;
				return false;
			}
		}
	}

//	if (strDatestyle == "US")
//		datefield.value = strMonthArray[intMonth-1] + " " + intDay+" " + strYear;
//	else
//		datefield.value = intDay + " " + strMonthArray[intMonth-1] + " " + strYear;

	if(objName.name.toLowerCase()=="duedate")
	{
		$("#todo [name=month]").val(intMonth);
		$("#todo [name=day]").val(intDay);
		$("#todo [name=year]").val(intYear);
	}
	else if(objName.name.toLowerCase()=="duedate")
	{
		document.addform.skipdate.value=intMonth+"/"+intDay+"/"+strYear
	}
	
	return true;
}

function LeapYear(intYear)
{
	if (intYear % 100 == 0)
	{
		if (intYear % 400 == 0) { return true; }
	}
	else
	{
		if ((intYear % 4) == 0) { return true; }
	}
	return false;
}