// These javascripts will be used for validation of data.
// -----------------------------------------------------------------------

function compareDate(frm,to)
{
	if (Date.parse(frm) > Date.parse(to))
		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 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;
	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];
			}
			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)) 
	{
		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 IsValidDate(Day,Mn,Yr)
{
    var DateVal = Mn + "/" + Day + "/" + Yr;
    var dt = new Date(DateVal);

    if(dt.getDate()!=Day){
        return(false);
        }
    else if(dt.getMonth()!=Mn-1){
    //this is for the purpose JavaScript starts the month from 0
        return(false);
        }
    else if(dt.getFullYear()!=Yr){
        return(false);
        }
        
    return(true);
}
function validatephone(input) 
{
	var valid = "0123456789()- ";
	var hyphencount = 0;
	if (input.length<7 && input.length > 0) 
	{
		return true;
	}
	for (var i=0; i < input.length; i++) 
	{
		temp = "" + input.substring(i, i+1);
		if (temp == "-") hyphencount++;
		if (valid.indexOf(temp) == "-1") 
		{
			return true;
		}
	}
	return false;
}       
function isNumber(input) 
{
	var valid = "0123456789., ";
	var hyphencount = 0;
	for (var i=0; i < input.length; i++) 
	{
		temp = "" + input.substring(i, i+1);		
		if (valid.indexOf(temp) == "-1") 
		{
			return false;
		}
	}
	return true;
}       
function isInteger(input) 
{
	var valid = "-0123456789";
	var hyphencount = 0;
	for (var i=0; i < input.length; i++) 
	{
		temp = "" + input.substring(i, i+1);		
		if (valid.indexOf(temp) == "-1") 
		{
			return false;
		}
	}
	return true;
}       
function validateCode(input,size) 
{	
	input=trim(input)
	var valid = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-";
	if (input.length!=size) 
	{
		return false;
	}
	for (var i=0; i < input.length; i++) 
	{
		temp = "" + input.substring(i, i+1);		
		if (valid.indexOf(temp) == "-1") 
		{
			return false;
		}
	}
	return true;
}       
function isValidEmailAddress(s) 
{
	var temp = s.replace(/\s/g, "");
	return (temp.match(/^([a-zA-Z0-9_\-\.]+){0,}[^.]@@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.)|(([a-zA-Z0-9\-]+\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\]?)$/)) && temp.charAt(0) != "." && !(temp.match(/\.\./));
}