function isAlphabets(Input)
{
	var numbers="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz.";
	var CharacterCheck;
	var counter = 0;

	for (var i=0; i < Input.length; i++){
		CharacterCheck = Input.substring(i, i+1);
		if (numbers.indexOf(CharacterCheck) != -1){
			counter ++;
		}
	}
	if (counter != Input.length){
		return true;
	}
	return false;
}
function isAlphaNumeric(Input)
{
	var numbers="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789 ,_-";
	var CharacterCheck;
	var counter = 0;

	for (var i=0; i < Input.length; i++){
		CharacterCheck = Input.substring(i, i+1);
		if (numbers.indexOf(CharacterCheck) != -1){
			counter ++;
		}
	}
	if (counter != Input.length){
		return true;
	}
	return false;
}


function isNumeric(Input)
{
	var numbers="0123456789+ -";
	var CharacterCheck;
	var counter = 0;

	for (var i=0; i < Input.length; i++){
		CharacterCheck = Input.substring(i, i+1);
		if (numbers.indexOf(CharacterCheck) != -1){
			counter ++;
		}
	}
	if (counter != Input.length){
		return true;
	}
	return false;
}


function isNumeric_commission(Input)
{
	var numbers="0123456789.";
	var CharacterCheck;
	var counter = 0;

	for (var i=0; i < Input.length; i++){
		CharacterCheck = Input.substring(i, i+1);
		if (numbers.indexOf(CharacterCheck) != -1){
			counter ++;
		}
	}
	if (counter != Input.length){
		return true;
	}
	return false;
}

function echeck(str)
{
	var at="@"
	var dot="."
	var lat=str.indexOf(at)
	var lstr=str.length
	var ldot=str.indexOf(dot)
	if (str.indexOf(at)==-1)
	{
		msg+="\n- Invalid E-Mail ID";
		return false
	}

	if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		msg+="\n- Invalid E-Mail ID";
		return false
	}

	if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		msg+="\n- Invalid E-Mail ID";
		return false
	}

	if (str.indexOf(at,(lat+1))!=-1){
		msg+="\n- Invalid E-Mail ID";
		return false
	}

	if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		msg+="\n- Invalid E-Mail ID";
		return false
	}

	if (str.indexOf(dot,(lat+2))==-1){
		msg+="\n- Invalid E-Mail ID";
		return false
	}

	if (str.indexOf(" ")!=-1){
		msg+="\n- Invalid E-Mail ID";
		return false
	}

	return true;
}

function isemail(Input)
{
	var numbers="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_@.-";
	var CharacterCheck;
	var counter = 0;

	for (var i=0; i < Input.length; i++){
		CharacterCheck = Input.substring(i, i+1);
		if (numbers.indexOf(CharacterCheck) != -1){
			counter ++;
		}
	}
	if (counter != Input.length){
		return true;
	}
	return false;
}

function nullcheck(fname,fldname,disname)
{
	ctrl_val=eval('document.'+fname+'.'+fldname+'.value');
	ctrl_name=eval('document.'+fname+'.'+fldname+'.name');

	if(Trim(ctrl_val)=='')
	{
		msg+="\n- "+disname+" field should not be blank";
		return false;
	}
	return true;
}
function select_nullcheck(fname,fldname,disname)
{
	ctrl_val=eval('document.'+fname+'.'+fldname+'.value');
	ctrl_name=eval('document.'+fname+'.'+fldname+'.name');

	if(ctrl_val=='')
	{

		msg+="\n- Please Select "+disname;
		return false;
	}
	return true;
}
function calldelete(fname,bname,cname)
{
	ctrl=eval('document.' + fname+'.'+cname+'.checked');
	if(ctrl){
		var answer=confirm("Are you want to delete?");
		if(answer){
			eval('document.'+fname+'.'+bname+'.value="Delete"');
			return true;
		}else{
			eval('document.'+fname+'.'+bname+'.value ="Update"');
			eval('document.'+fname+'.'+cname+'.checked=false');
			return false;
		}
	}
	else{
		eval('document.'+fname+'.'+bname+'.value ="Update"');
		return false;
	}
}

var dtCh= "/";
var minYear=1900;
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 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++){
		var c = s.charAt(i);
		if (bag.indexOf(c) == -1) returnString += c;
	}
	return returnString;
}

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 isDate(dtStr){
	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){
		msg+=("\n - The date format should be : dd/mm/yyyy");
		return false
	}
	if (strMonth.length<1 || month<1 || month>12){
		msg+=("\n - Please enter a valid month");
		return false
	}
	if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){
		msg+=("\n - Please enter a valid date");
		return false
	}
	if (strYear.length != 4 || year==0 || year<minYear || year>maxYear){
		msg+=("\n - Please enter a valid 4 digit year between "+minYear+" and "+maxYear);
		return false
	}
	if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false){
		msg+=("\n - Please enter a valid date");
		return false
	}
	return true
}

function LTrim(str)
{
	var whitespace = new String(" \t\n\r");

	var s = new String(str);

	if (whitespace.indexOf(s.charAt(0)) != -1) {
		// We have a string with leading blank(s)...

		var j=0, i = s.length;

		// Iterate from the far left of string until we
		// don't have any more whitespace...
		while (j < i && whitespace.indexOf(s.charAt(j)) != -1)
		j++;


		// Get the substring from the first non-whitespace
		// character to the end of the string...
		s = s.substring(j, i);
	}

	return s;
}

// --------------------------------------------------------------------------
// Remove trailing blanks from our string.

// I               str - the string we want to RTrim
// Return          the input string without any trailing whitespace

// Date            03 avr. 2003 23:13:50
// Author          Aurélien Tisné	(CS)
// --------------------------------------------------------------------------
function RTrim(str)
{
	// We don't want to trip JUST spaces, but also tabs,
	// line feeds, etc.  Add anything else you want to
	// "trim" here in Whitespace
	var whitespace = new String(" \t\n\r");

	var s = new String(str);

	if (whitespace.indexOf(s.charAt(s.length-1)) != -1) {
		// We have a string with trailing blank(s)...

		var i = s.length - 1;       // Get length of string

		// Iterate from the far right of string until we
		// don't have any more whitespace...
		while (i >= 0 && whitespace.indexOf(s.charAt(i)) != -1)
		i--;


		// Get the substring from the front of the string to
		// where the last non-whitespace character is...
		s = s.substring(0, i+1);
	}

	return s;
}


// --------------------------------------------------------------------------
// Remove trailing and leading blanks from our string.

// I               str - the string we want to Trim
// Return          the trimmed input string

// Date            03 avr. 2003 23:15:09
// Author          Aurélien Tisné	(CS)
// --------------------------------------------------------------------------
function Trim(str)
{
	return RTrim(LTrim(str));
}
function blockNonNumbers(obj, e, allowDecimal, allowNegative)
{
	var key;
	var isCtrl = false;
	var keychar;
	var reg;

	if(window.event) {
		key = e.keyCode;
		isCtrl = window.event.ctrlKey
	}
	else if(e.which) {
		key = e.which;
		isCtrl = e.ctrlKey;
	}

	if (isNaN(key)) return true;

	keychar = String.fromCharCode(key);

	// check for backspace or delete, or if Ctrl was pressed
	if (key == 8 || isCtrl)
	{
		return true;
	}

	reg = /\d/;
	var isFirstN = allowNegative ? keychar == '-' && obj.value.indexOf('-') == -1 : false;
	var isFirstD = allowDecimal ? keychar == '.' && obj.value.indexOf('.') == -1 : false;

	return isFirstN || isFirstD || reg.test(keychar);

}
// EOF

function conPassword(argPwd,argConPwd)
{
	if(argPwd!=argConPwd)
	{
		msg+="\n- Password and conform password must be same";
		return false
	}
	return true

}

function show(page)	{
 window.location=page;
}

function textCounter(field, countfield, maxlimit) {
if (field.value.length > maxlimit) // if too long...trim it!
field.value = field.value.substring(0, maxlimit);
// otherwise, update 'characters left' counter
else 
countfield.value = maxlimit - field.value.length;
}