<!--

var digits = "0123456789";

var lowercaseLetters = "abcdefghijklmnopqrstuvwxyz"

var uppercaseLetters = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"


// whitespace characters
var whitespace = " \t\n\r";


// decimal point character differs by language and culture
var decimalPointDelimiter = "."


var defaultEmptyOK = false





function makeArray(n) {
//*** BUG: If I put this line in, I get two error messages:
//(1) Window.length can't be set by assignment
//(2) daysInMonth has no property indexed by 4
//If I leave it out, the code works fine.
//   this.length = n;
   for (var i = 1; i <= n; i++) {
      this[i] = 0
   } 
   return this
}



var daysInMonth = makeArray(12);
daysInMonth[1] = 31;
daysInMonth[2] = 29;   // must programmatically check this
daysInMonth[3] = 31;
daysInMonth[4] = 30;
daysInMonth[5] = 31;
daysInMonth[6] = 30;
daysInMonth[7] = 31;
daysInMonth[8] = 31;
daysInMonth[9] = 30;
daysInMonth[10] = 31;
daysInMonth[11] = 30;
daysInMonth[12] = 31;


// Check whether string s is empty.

function isEmpty(s)
{   return ((s == null) || (s.length == 0))
}



// Returns true if string s is empty or 
// whitespace characters only.

function isWhitespace (s)

{   var i;

    // Is s empty?
    if (isEmpty(s)) return true;

    // Search through string's characters one by one
    // until we find a non-whitespace character.
    // When we do, return false; if we don't, return true.

    for (i = 0; i < s.length; i++)
    {   
        // Check that current character isn't whitespace.
        var c = s.charAt(i);

        if (whitespace.indexOf(c) == -1) return false;
    }

    // All characters are whitespace.
    return true;
}

function StripChars(theFilter,theString)
{
	var strOut,i,curChar

	strOut = ""
	for (i=0;i < theString.length; i++)
	{		
		curChar = theString.charAt(i)
		if (theFilter.indexOf(curChar) < 0)	// if it's not in the filter, send it thru
			strOut += curChar		
	}	
	return strOut
}

function trim(theString)
{
 var i,firstNonWhite

 if (StripChars(" \n\r\t",theString).length == 0 ) return ""

	i = -1
	while (1)
	{
		i++
		if (theString.charAt(i) != " ")
			break	
	}
	firstNonWhite = i
	//Count the spaces at the end
	i = theString.length
	while (1)
	{
		i--
		if (theString.charAt(i) != " ")
			break	
	}	

	return theString.substring(firstNonWhite,i + 1)

}


// Removes all characters which appear in string bag from string s.

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;
}



// Removes all characters which do NOT appear in string bag 
// from string s.

function stripCharsNotInBag (s, bag)

{   var i;
    var returnString = "";

    // Search through string's characters one by one.
    // If character is 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;
}



// Removes all whitespace characters from s.
// Global variable whitespace (see above)
// defines which characters are considered whitespace.

function stripWhitespace (s)

{   return stripCharsInBag (s, whitespace)
}

// Returns true if single character c (actually a string)
// is contained within string s.

function charInString (c, s)
{   for (i = 0; i < s.length; i++)
    {   if (s.charAt(i) == c) return true;
    }
    return false
}



// Removes initial (leading) whitespace characters from s.
// Global variable whitespace (see above)
// defines which characters are considered whitespace.

function stripInitialWhitespace (s)

{   var i = 0;

    while ((i < s.length) && charInString (s.charAt(i), whitespace))
       i++;
    
    return s.substring (i, s.length);
}


//characters allowed apart from digits passed as parameters in a string 
//eg:"a  b/*"
function charAllowedDigit(s){   
	var i;	
	for (i = 0; i < s.length; i++){   
		// Check that current character is number or letter.
        var c = s.charAt(i);
			if(!(isDigit(c))){
				if(charAllowedDigit.arguments.length>1){
					if(charAllowedDigit.arguments[1].indexOf(c)==-1)
						return false
				}
				else
					return false
			}
    }
    // All characters are numbers or letters specified in arguments.
    return true;
}

//characters allowed apart from digits & alphabets passed as parameters in a string 
//eg:".  _-/*"
function charAllowedAlphaDigit(s){   
	var i;	
	for (i = 0; i < s.length; i++){   
		// Check that current character is number or letter.
        var c = s.charAt(i);
			if(!(isDigit(c)||isLetter(c))){
				if(charAllowedAlphaDigit.arguments.length>1){
					if(charAllowedAlphaDigit.arguments[1].indexOf(c)==-1)
						return false
				}
				else
					return false
			}
    }
    // All characters are numbers or letters specified in arguments.
    return true;
}




// Returns true if character c is an English letter 
// (A .. Z, a..z).

function isLetter (c)
{   return ( ((c >= "a") && (c <= "z")) || ((c >= "A") && (c <= "Z")) )
}



// Returns true if character c is a digit 
// (0 .. 9).

function isDigit (c)
{   return ((c >= "0") && (c <= "9"))
}



// Returns true if character c is a letter or digit.

function isLetterOrDigit (c)
{   return (isLetter(c) || isDigit(c))
}


function isInteger (s)

{   var i;

    if (isEmpty(s)) 
       if (isInteger.arguments.length == 1) return defaultEmptyOK;
       else return (isInteger.arguments[1] == true);

    // Search through string's characters one by one
    // until we find a non-numeric character.
    // When we do, return false; if we don't, return true.

    for (i = 0; i < s.length; i++)
    {   
        // Check that current character is number.
        var c = s.charAt(i);

        if (!isDigit(c)) return false;
    }

    // All characters are numbers.
    return true;
}


function isSignedInteger (s)

{   if (isEmpty(s)) 
       if (isSignedInteger.arguments.length == 1) return defaultEmptyOK;
       else return (isSignedInteger.arguments[1] == true);

    else {
        var startPos = 0;
        var secondArg = defaultEmptyOK;

        if (isSignedInteger.arguments.length > 1)
            secondArg = isSignedInteger.arguments[1];

        // skip leading + or -
        if ( (s.charAt(0) == "-") || (s.charAt(0) == "+") )
           startPos = 1;    
        return (isInteger(s.substring(startPos, s.length), secondArg))
    }
}


function isPositiveInteger (s)
{   var secondArg = defaultEmptyOK;

    if (isPositiveInteger.arguments.length > 1)
        secondArg = isPositiveInteger.arguments[1];

    // The next line is a bit byzantine.  What it means is:
    // a) s must be a signed integer, AND
    // b) one of the following must be true:
    //    i)  s is empty and we are supposed to return true for
    //        empty strings
    //    ii) this is a positive, not negative, number

    return (isSignedInteger(s, secondArg)
         && ( (isEmpty(s) && secondArg)  || (parseInt (s) > 0) ) );
}


function isNonnegativeInteger (s)
{   var secondArg = defaultEmptyOK;

    if (isNonnegativeInteger.arguments.length > 1)
        secondArg = isNonnegativeInteger.arguments[1];

    return (isSignedInteger(s, secondArg)
         && ( (isEmpty(s) && secondArg)  || (parseInt (s) >= 0) ) );
}


function isFloat (s)

{   var i;
    var seenDecimalPoint = false;

    if (isEmpty(s)) 
       if (isFloat.arguments.length == 1) return defaultEmptyOK;
       else return (isFloat.arguments[1] == true);

    if (s == decimalPointDelimiter) return false;

    // Search through string's characters one by one
    // until we find a non-numeric character.
    // When we do, return false; if we don't, return true.

    for (i = 0; i < s.length; i++)
    {   
        // Check that current character is number.
        var c = s.charAt(i);

        if ((c == decimalPointDelimiter) && !seenDecimalPoint) seenDecimalPoint = true;
        else if (!isDigit(c)) return false;
    }

    // All characters are numbers.
    return true;
}

function isSignedFloat (s)

{   if (isEmpty(s)) 
       if (isSignedFloat.arguments.length == 1) return defaultEmptyOK;
       else return (isSignedFloat.arguments[1] == true);

    else {
        var startPos = 0;
        var secondArg = defaultEmptyOK;

        if (isSignedFloat.arguments.length > 1)
            secondArg = isSignedFloat.arguments[1];

        // skip leading + or -
        if ( (s.charAt(0) == "-") || (s.charAt(0) == "+") )
           startPos = 1;    
        return (isFloat(s.substring(startPos, s.length), secondArg))
    }
}


function isAlphabetic (s)

{   var i;

    if (isEmpty(s)) 
       if (isAlphabetic.arguments.length == 1) return defaultEmptyOK;
       else return (isAlphabetic.arguments[1] == true);

    // Search through string's characters one by one
    // until we find a non-alphabetic character.
    // When we do, return false; if we don't, return true.

    for (i = 0; i < s.length; i++)
    {   
        // Check that current character is letter.
        var c = s.charAt(i);

        if (!isLetter(c))
        return false;
    }

    // All characters are letters.
    return true;
}


// returns string after a  specified character in the string 

function stripStringAfterChar (s, c)

{   var i;
    i = s.indexOf(c);
    //strips out  the string after that index
    return s.substr(i+1).toUpperCase();
	
}


//check for image file

function checkImgFormat(s)
{
   var i;
   if(!((s=="GIF")||(s=="JPEG")||(s=="JPG")||(s=="TIF")||(s=="BMP"))) 
	return false
   else
	return true
}

function isAlphanumeric (s)
{   
	var i;

    if (isEmpty(s)) 
       if (isAlphanumeric.arguments.length == 1) return defaultEmptyOK;
       else return (isAlphanumeric.arguments[1] == true);

    // Search through string's characters one by one
    // until we find a non-alphanumeric character.
    // When we do, return false; if we don't, return true.

    for (i = 0; i < s.length; i++)
    {   
        // Check that current character is number or letter.
        var c = s.charAt(i);

        if (! (isLetter(c) || isDigit(c)))
        return false;
    }

    // All characters are numbers or letters.
    return true;
}

function isAlphaSpace(s)

{   var i;

    if (isEmpty(s)) 
       if (isAlphaSpace.arguments.length == 1) return defaultEmptyOK;
       else return (isAlphaSpace.arguments[1] == true);

    // Search through string's characters one by one
    // until we find a non-alphanumeric character.
    // When we do, return false; if we don't, return true.

    for (i = 0; i < s.length; i++)
    {   
        // Check that current character is number or letter.
        var c = s.charAt(i);

        if (! (isLetter(c) || isWhitespace(c)))
        return false;
    }

    // All characters are numbers or letters.
    return true;
}
//--------

function isAlphanumericSpace(s)

{   var i;

    if (isEmpty(s)) 
       if (isAlphanumericSpace.arguments.length == 1) return defaultEmptyOK;
       else return (isAlphanumericSpace.arguments[1] == true);

    // Search through string's characters one by one
    // until we find a non-alphanumeric character.
    // When we do, return false; if we don't, return true.

    for (i = 0; i < s.length; i++)
    {   
        // Check that current character is number or letter.
        var c = s.charAt(i);

        if (! (isLetter(c) || isDigit(c) || isWhitespace(c) || (c=='.') ))
        return false;
    }

    // All characters are numbers or letters.
    return true;
}

function isUrl (s)
{   
	s=trim (s);
	var i = 1;
    var sLength = s.length;

    // look for .
    while ((i < sLength) && (s.charAt(i) != "."))
    { i++
    }

    // there must be at least two character after the .
    if ((i >= sLength - 2) || (s.charAt(i) != ".")) return false;
    else return true;
}

function isEmail (s)
{   
	s=trim (s);
	
	if (isEmpty(s)) 
       if (isEmail.arguments.length == 1) return defaultEmptyOK;
       else return (isEmail.arguments[1] == true);
   
    // is s whitespace?
    if (isWhitespace(s)) return false;
    
    //if (s.indexOf("@") > 1 ) return false;
    var patte = /@.*@/
    
    if ( (s.search(patte)) != -1 )     return false 
    
    // there must be >= 1 character before @, so we
    // start looking at character position 1 
    // (i.e. second character)
    var i = 1;
    var sLength = s.length;

	while (i < sLength){
	 if (s.charAt(i)== ' ') 
	    return false;
	    i++;
	}
	
	i=1;
    // look for @
    while ((i < sLength) && (s.charAt(i) != "@"))
    { i++
    }
	
	
    if ((i >= sLength) || (s.charAt(i) != "@")) return false;
    else i += 2;

    // look for .
    while ((i < sLength) && (s.charAt(i) != "."))
    { i++
    }

    // there must be at least two character after the .
    if ((i >= sLength - 2) || (s.charAt(i) != ".")) return false;
    else return true;
}



function isIntegerInRange (s, a, b)
{   if (isEmpty(s)) 
       if (isIntegerInRange.arguments.length == 1) return defaultEmptyOK;
       else return (isIntegerInRange.arguments[1] == true);

    // Catch non-integer strings to avoid creating a NaN below,
    // which isn't available on JavaScript 1.0 for Windows.
    if (!isInteger(s, false)) return false;

    // Now, explicitly change the type to integer via parseInt
    // so that the comparison code below will work both on 
    // JavaScript 1.2 (which typechecks in equality comparisons)
    // and JavaScript 1.1 and before (which doesn't).
    var num = parseInt (s);
    return ((num >= a) && (num <= b));
}



function delconfirm()
{
var s =confirm("Wish to Delete the record");
return s;

}

 
// Get checked value from radio button.

function getRadioButtonValue (radio)
{   for (var i = 0; i < radio.length; i++)
    {   if (radio[i].checked) { break }
    }
    return radio[i].value
}


function isYear (s)
{   if (isEmpty(s)) 
       if (isYear.arguments.length == 1) return defaultEmptyOK;
       else return (isYear.arguments[1] == true);
    if (!isNonnegativeInteger(s)) return false;
    return ((s.length == 2) || (s.length == 4));
}



function isMonth (s)
{   if (isEmpty(s)) 
       if (isMonth.arguments.length == 1) return defaultEmptyOK;
       else return (isMonth.arguments[1] == true);
    return isIntegerInRange (s, 1, 12);
}

function isDay (s)
{   if (isEmpty(s)) 
       if (isDay.arguments.length == 1) return defaultEmptyOK;
       else return (isDay.arguments[1] == true);   
    return isIntegerInRange (s, 1, 31);
}


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 isDate (year, month, day)
{   // catch invalid years (not 2- or 4-digit) and invalid months and days.
    if (! (isYear(year, false) && isMonth(month, false) && isDay(day, false))) return false;

    // Explicitly change type to integer to make code work in both
    // JavaScript 1.1 and JavaScript 1.2.
    var intYear = parseInt(year);
    var intMonth = parseInt(month);
    var intDay = parseInt(day);

    // catch invalid days, except for February
    if (intDay > daysInMonth[intMonth]) return false; 

    if ((intMonth == 2) && (intDay > daysInFebruary(intYear))) return false;

    return true;
}

function checkDate(da,Mon,Yea)
{	
	var str1 = "JanFebMarAprMayJunJulAugSepOctNovDec"
	var day1 = new Date(Yea,Mon,da)

	var dat  = new Date()
	if ( day1 > dat)
	{	
		return ""
	}
			
	d = day1.getDate()+""
	m = day1.getMonth()+""
	mm = day1.getMonth()
	y = day1.getYear()+""

	if (y.length < 4)
		y = ("1900"-0)+(y-0)
	//if (y.length == 1)
	//	y = "190"+y
		
	if ( (da == d) && (Mon == m) && (Yea == y) )
	{
		retStr = d+"-"+str1.substring(mm*3,mm*3+3) +"-"+y
	
		return retStr
	}
	else
		return ""
}


/*function is_greater_date(entered_year,entered_month,entered_day,yy,mm,dd)
{
	if (entered_year > yy)
	{
		alert("The birthday field is entered incorrectly. The year entered exceeds the current year.");
		return false;
	}
	if (entered_year == yy)
	{
		if (entered_month > mm)
		{
			alert("The birthday field is entered incorrectly.");
			return false;
		}
		if (entered_month == mm)
		{
			if (entered_day > dd)
			{
				alert("The birthday field is entered incorrectly.");
				return false;
			}
		}
	}
	return true;
}

function is_valid_day(entered_month,entered_day,entered_year)
{
	if ((entered_year % 4) == 0) 
	{ 
		var days_in_month = "312931303130313130313031";
 	}
 	else 
	{ 
		var days_in_month = "312831303130313130313031";
 	} 
	var months = new Array("January","February","March","April","May","June","July","August","September","October","November","December");
	if (entered_month != -1)
	{
		if (entered_day > days_in_month.substring(2*entered_month,2*entered_month+2))
		{
			alert ("The birthday field is entered wrongly (the day field value exceeds the number of days for the month entered).");
			return false;
		}
	}
	return true;
}
*/

//-->