function checkdate(objName) 
{
	
	var datefield = objName;
	dateval = datefield.value;
	if (dateval.length == 0 || dateval.length < 8 || dateval.length > 10 || !isNaN(dateval))
	{
		alert("Invalid Date format. Please enter the date in (mm/dd/yyyy) format.");
		datefield.focus();
		return false;
	}
	if (chkdate(objName) == false) 
	{
		datefield.select();
		alert("Invalid Date format. Please enter the date in (mm/dd/yyyy) format.");
		datefield.focus();
		return false;
	}
	else 
	{
		return true;
	}
}

function chkdate(objName) 
{
	var strDatestyle = "US"; //United States date style
	//var strDatestyle = "EU";  //European date 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 check = 0;
	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 true;
	}
	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];
			}
				check = 1;
				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 >9999 || strYear.length!=4 ) 
	{
		return false;
	}
	
	
	if (check == 0)
	{
		return false;
	}
	if (strYear.length == 2) 
	{
		strYear = '20' + strYear;
	}
	// US style
	if (strDatestyle == "US") 
	{
		strTemp = strDay;
		strDay = strMonth;
		strMonth = strTemp;
	}
//	intday = parseInt(strDay, 10);
	intday = strDay;
	if (isNaN(intday)) 
	{
		err = 2;
		return false;
	}
//	intMonth = parseInt(strMonth, 10);
	intMonth = strMonth;
	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);
	intYear = strYear;
	if (isNaN(intYear)) 
	{
		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;
	}*/
	return true;
}

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

function CompareDates(StartObj, EndObj)
{
	var intElementNr;
	var strStartDateArray;
	var strEndDateArray;
	var strSDay;
	var strSMonth;
	var strSYear;
	var strEDay;
	var strEMonth;
	var strEYear;
	var booFound;
	var Startdatefield = StartObj.value;
	var Enddatefield = EndObj.value;
	var strSeparatorArray = new Array("/");
	for (intElementNr = 0; intElementNr < strSeparatorArray.length; intElementNr++) 
	{
		if (Startdatefield.indexOf(strSeparatorArray[intElementNr]) != -1) 
		{
			strStartDateArray = Startdatefield.split(strSeparatorArray[intElementNr]);
			if (strStartDateArray.length != 3) 
			{
				err = 1;
				return false;
			}
			else 
			{
				strSMonth = parseInt(strStartDateArray[0], 10);
				strSDay = parseInt(strStartDateArray[1], 10);
				strSYear = parseInt(strStartDateArray[2], 10);
			}
				booFound = true;
		}
		if (Enddatefield.indexOf(strSeparatorArray[intElementNr]) != -1) 
		{
			strEndDateArray = Enddatefield.split(strSeparatorArray[intElementNr]);
			if (strEndDateArray.length != 3) 
			{
				err = 1;
				return false;
			}
			else 
			{
				strEMonth = parseInt(strEndDateArray[0], 10);
				strEDay = parseInt(strEndDateArray[1], 10);
				strEYear = parseInt(strEndDateArray[2], 10);
			}
				booFound = true;
		}
	}
	//alert((strEYear < strSYear) || ((strEMonth < strSMonth) && (strEYear == strSYear)) || ((strEDay < strSDay) && (strEMonth == strSMonth) && (strEYear+strSYear)
	if ((strEYear < strSYear) || ((strEMonth < strSMonth) && (strEYear == strSYear)) || ((strEDay < strSDay) && (strEMonth == strSMonth) && (strEYear == strSYear)))
	{
		//EndObj.select();
		//alert ("End date is smaller than Start date.");
		//alert ("Please Enter a Valid Date, WeekEnding date cannot be greater than this weeks Friday.");
		//StartObj.focus();
		//EndObj.focus();
		return(false);
	}
	else
	{
		return(true);
	}
}

function comparetime(StartObj, EndObj, starthr, startmin, endhr, endmin)
{
	var intElementNr;
	var strStartDateArray;
	var strEndDateArray;
	var strSDay;
	var strSMonth;
	var strSYear;
	var strEDay;
	var strEMonth;
	var strEYear;
	var booFound;
	var Startdatefield = StartObj.value;
	var Enddatefield = EndObj.value;
	var shr = starthr.value;
	var smin = startmin.value;
	var ehr = endhr.value;
	var emin = endmin.value;
	var strSeparatorArray = new Array("/");
	for (intElementNr = 0; intElementNr < strSeparatorArray.length; intElementNr++) 
	{
		if (Startdatefield.indexOf(strSeparatorArray[intElementNr]) != -1) 
		{
			strStartDateArray = Startdatefield.split(strSeparatorArray[intElementNr]);
			if (strStartDateArray.length != 3) 
			{
				err = 1;
				return false;
			}
			else 
			{
				strSMonth = parseInt(strStartDateArray[0], 10);
				strSDay = parseInt(strStartDateArray[1], 10);
				strSYear = parseInt(strStartDateArray[2], 10);
			}
				booFound = true;
		}
		if (Enddatefield.indexOf(strSeparatorArray[intElementNr]) != -1) 
		{
			strEndDateArray = Enddatefield.split(strSeparatorArray[intElementNr]);
			if (strEndDateArray.length != 3) 
			{
				err = 1;
				return false;
			}
			else 
			{
				strEMonth = parseInt(strEndDateArray[0], 10);
				strEDay = parseInt(strEndDateArray[1], 10);
				strEYear = parseInt(strEndDateArray[2], 10);
			}
				booFound = true;
		}
	}
	if ((strEDay == strSDay) && (strEMonth == strSMonth) && (strEYear == strSYear))
	{
		if (ehr < shr)
		{
			alert ("To time is lesser than From time.");
			endhr.focus();
			return(false);
		}
		else if ((emin < smin) && (shr == ehr))
		{
			alert ("To time is lesser than From time.");
			endmin.focus();
			return(false);
		}
		else if ((emin == smin) && (shr == ehr))
		{
			alert ("Starting time and Ending time are same.");
			endmin.focus();
			return(false);
		}
		else
		{
			return(true);
		}
	}
	else
	{
		return(true);
	}
}
function comparetimeNow(StartObj, EndObj, starthr, startmin, endhr, endmin)
{
	var intElementNr;
	var strStartDateArray;
	var strEndDateArray;
	var strSDay;
	var strSMonth;
	var strSYear;
	var strEDay;
	var strEMonth;
	var strEYear;
	var booFound;
	var Startdatefield = StartObj.value;
	var Enddatefield = EndObj.value;
	var shr = starthr;
	var smin = startmin;
	var ehr = endhr.value;
	var emin = endmin.value;
	var strSeparatorArray = new Array("/");
	for (intElementNr = 0; intElementNr < strSeparatorArray.length; intElementNr++) 
	{
		if (Startdatefield.indexOf(strSeparatorArray[intElementNr]) != -1) 
		{
			strStartDateArray = Startdatefield.split(strSeparatorArray[intElementNr]);
			if (strStartDateArray.length != 3) 
			{
				err = 1;
				return false;
			}
			else 
			{
				strSMonth = parseInt(strStartDateArray[0], 10);
				strSDay = parseInt(strStartDateArray[1], 10);
				strSYear = parseInt(strStartDateArray[2], 10);
			}
				booFound = true;
		}
		if (Enddatefield.indexOf(strSeparatorArray[intElementNr]) != -1) 
		{
			strEndDateArray = Enddatefield.split(strSeparatorArray[intElementNr]);
			if (strEndDateArray.length != 3) 
			{
				err = 1;
				return false;
			}
			else 
			{
				strEMonth = parseInt(strEndDateArray[0], 10);
				strEDay = parseInt(strEndDateArray[1], 10);
				strEYear = parseInt(strEndDateArray[2], 10);
			}
				booFound = true;
		}
	}
	if ((strEDay == strSDay) && (strEMonth == strSMonth) && (strEYear == strSYear))
	{
		if (ehr < shr)
		{
			alert ("To time is lesser than Current Time.");
			endhr.focus();
			return(false);
		}
		else if ((emin < smin) && (shr == ehr))
		{
			alert ("To time is lesser than Current Time.");
			endmin.focus();
			return(false);
		}
		else if ((emin == smin) && (shr == ehr))
		{
			alert ("Current Time and Ending time are same.");
			endmin.focus();
			return(false);
		}
		else
		{
			return(true);
		}
	}
	else
	{
		return(true);
	}
}