function ValidateEmailOld(str) {

		var at="@";
		var dot=".";
		var lat=str.indexOf(at);
		var lstr=str.length;
		var ldot=str.indexOf(dot);
		if (str.indexOf(at)==-1){
		   return false;
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   return false;
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    return false;
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    return false;
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    return false;
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    return false;
		 }
		
		 if (str.indexOf(" ")!=-1){
		    return false;
		 }
		 
 		 return true;
	}

//Validate Email address format
function ValidateEmail(email) 
{
    var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
    if(reg.test(email) == false) 
    {
      return false;
    }
    else
    {
        return true;
    }
}

//Validate Phone Number
function ValidatePhone(phone)
{
    // non-digit characters which are allowed in phone numbers
    var phoneNumberDelimiters = "()- ";
    // characters which are allowed in international phone numbers
    // (a leading + is OK)
    var validWorldPhoneChars = phoneNumberDelimiters + "+";
    // Minimum no of digits in an international phone no.
    var minDigitsInIPhoneNumber = 10;
    var strValue = phone;
    s=stripCharsInBag(strValue,validWorldPhoneChars);
    return (ValidateInteger(s) && s.length >= minDigitsInIPhoneNumber);
 }
 
 //Integer Validation
// check for valid numeric strings 
function ValidateInteger(strPh)
{
    var strString = strPh;
    var strValidChars = "0123456789";
    var strChar;
    var blnResult = true;
    // test strString consists of valid characters listed above
    for (i = 0; i < strString.length && blnResult == true; i++)
    {
        strChar = strString.charAt(i);
        if (strValidChars.indexOf(strChar) == -1)
        {
            blnResult = false;
        }
    }
    return blnResult;
}

function stripCharsInBag(s, bag)
{ 
    var i;
    var returnString = "";
    // Search through string’s characters one by one.
    // If character is not in bag, append to returnString.
    for (i = 0; i < s.length; i++)
    { 
        // Check that current character isn’t whitespace.
        var c = s.charAt(i);
        if (bag.indexOf(c) == -1) returnString += c;
    }
    return returnString;
}

//Validate Postal Code
function ValidatePostCode(postcode) 
{
    var reg = /^[A-Za-z0-9- ]{1,10}$/;
    if(reg.test(postcode) == false) 
    {
        return false;
    }
    else
    {
        return true;
    }
}

function ValidateDateOld(sDate, objTest) 
{
    var re = /^\d{1,2}\/\d{1,2}\/\d{4}$/
    if (re.test(sDate)) 
    {
        var dArr = sDate.split("/");
        var d = new Date(sDate);
        objTest.value = "success";
        return d.getMonth() + 1 == dArr[0] && d.getDate() == dArr[1] && d.getFullYear() == dArr[2];
    }
    else 
    {
        return false;
    }
}

// Declaring valid date character, minimum year and maximum year
var dtCh= "/";
var minYear=1900;
var currDate=new Date();
var maxYear=2100;

function isInteger(s)
{
	var i;
    for (i = 0; i < s.length; i++){   
        // Check that current character is number.
        var c = s.charAt(i);
        if (((c < "0") || (c > "9"))) return false;
    }
    // All characters are numbers.
    return true;
}

function daysInFebruary (year)
{
	// February has 29 days in any year evenly divisible by four,
    // EXCEPT for centurial years which are not also divisible by 400.
    return (((year % 4 == 0) && ( (!(year % 100 == 0)) || (year % 400 == 0))) ? 29 : 28 );
}
function DaysArray(n) 
{
	for (var i = 1; i <= n; i++) {
		this[i] = 31
		if (i==4 || i==6 || i==9 || i==11) {this[i] = 30}
		if (i==2) {this[i] = 29}
   } 
   return this
}

function ValidateDate(dtStr, objDateInfo, fldName)
{
	var daysInMonth = DaysArray(12);
	var pos1=dtStr.indexOf(dtCh);
	var pos2=dtStr.indexOf(dtCh,pos1+1);
	var strDay=dtStr.substring(0,pos1);
	var strMonth=dtStr.substring(pos1+1,pos2);
	var strYear=dtStr.substring(pos2+1);
	strYr=strYear;
	if (strDay.charAt(0)=="0" && strDay.length>1) strDay=strDay.substring(1);
	if (strMonth.charAt(0)=="0" && strMonth.length>1) strMonth=strMonth.substring(1);
	for (var i = 1; i <= 3; i++) 
	{
		if (strYr.charAt(0)=="0" && strYr.length>1) strYr=strYr.substring(1)
	}
	month=parseInt(strMonth);
	day=parseInt(strDay);
	year=parseInt(strYr);
	if (pos1==-1 || pos2==-1)
	{
		objDateInfo.value = "The date format should be in (DD/MM/YYYY) in " + fldName;
		return false;
	}
	if (strMonth.length<1 || month<1 || month>12)
	{
		objDateInfo.value = "Please enter a valid month in " + fldName;
		return false;
	}
	if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month])
	{
		objDateInfo.value = "Please enter a valid day in " + fldName;
		return false;
	}
	if (strYear.length != 4 || year==0 || year<minYear || year>maxYear)
	{
		objDateInfo.value = "Please enter a valid 4 digit year in " + fldName;
		return false;
	}
	if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false)
	{
		objDateInfo.value = "Please enter a valid date in " + fldName;
		return false;
	}
return true
}

function ValidateSalary(s)
{
	var i;
    for (i = 0; i < s.length; i++){   
        // Check that current character is number.
        var c = s.charAt(i);
        if (((c < "0") || (c > "9")) && c != "." && c != ",") return false;
    }
    if (s.indexOf(",") != -1) {
        var strPortions = s.split(",");
        var j;
        for (j = 0; j < strPortions.length; j++) {
            if (j == 0) {
                if (strPortions[j].length > 3) {
                    return false;
                }
            }
            else {
                if (strPortions[j].length != 3) {
                    return false;
                }
            }
        }
    }
    // All characters are numbers.
    return true;
}

function CheckLength(txtfld, maxlen)
{
    if(txtfld.value.length > maxlen)
    {
        alert("Max. " + maxlen + " characters.");
    }
    txtfld.value = txtfld.value.substring(0, maxlen);
    txtfld.focus();
}