function chkbox(field,msg){
var i,frmvalue,flag=0
	for(i=0;i<field.length;i++){
		if (field[i].checked){
			frmvalue=field[i].value;
			flag=1
			break
		}
	}
	if (flag==0){
		alert(msg)
		field[0].focus()
		return true
	}
}

function trim(field){
if (field.charAt(0)==" "){
	field=field.substring(1,field.length)
	return trim(field)
}else
if(field.charAt(field.length-1)==" "){
	field=field.substring(0,field.length-1)
	return trim(field)
}
return field
}

function validate(field) {
	if(field.length!=0){
		var valid = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz!@#$%^&*()_-+=|\ "
		var ok = "yes";
		var temp;
		for (var i=0; i<field.length; i++) {
			temp = "" + field.substring(i, i+1);
			if (valid.indexOf(temp) == "-1") ok = "no";
		}
		if (ok == "no") {
			alert("Invalid entry!  Only valid characters are accepted!");
			return false
		}
		return true

	}else{
		return false
	}
}

function name(field) {
	if(field.length!=0){
		var valid = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz\"?,.:;`~/-!@#$%^&*()_-+=|\ "
		var ok = "yes";
		var temp;
		for (var i=0; i<field.length; i++) {
			temp = "" + field.substring(i, i+1);
			if (valid.indexOf(temp) == "-1") ok = "no";
		}
		if (ok == "no") {
			alert("The entered value appears to be invalid");
			return false
		}
		return true

	}else{
		alert("This field can't be empty");
		return false
	}
}

function alphanumeric(field) {
	if(field.length!=0){
		var valid = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789 "
		var ok = "yes";
		var temp;
		for (var i=0; i<field.length; i++) {
			temp = "" + field.substring(i, i+1);
			if (valid.indexOf(temp) == "-1") ok = "no";
		}
		if (ok == "no") {
			alert("Invalid entry!  Only valid characters are accepted!");
			return false
		}
		return true

	}else{
		return false
	}
}

function nmbr(field) 
	{
	if(field.length!=0)
		{
		var valid = "0123456789- /"
		var ok = "yes"
		var temp;
		for (var i=0; i<field.length; i++) 
			{
			temp = "" + field.substring(i, i+1)
			if (valid.indexOf(temp) == "-1") 
			ok = "no"
			}
		if (ok == "no")
			{
			alert("Please enter a valid number")
			return false
			}
		return true
		}
	else
		{
		alert("Please enter a valid number")
		return false
		}
	}

function pincode(field) {
	if(field.length!=0){
		var valid = "0123456789"
		var ok = "yes"
		var temp;
		for (var i=0; i<field.length; i++) {
			temp = "" + field.substring(i, i+1)
			if (valid.indexOf(temp) == "-1") ok = "no"
		}
		if (ok == "no") {
			alert("The pincode appears to be invalid")
			return false
		}
		return true

	}else{
		alert("The pincode appears to be invalid")
		return false
	}
}

function textarea(field) {
	if(field.length!=0){
		var valid = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz\'\"?,.:;`~/-!@#$%^&*()_-+=|\ 1234567890"
		var ok = "yes";
		var temp;
		for (var i=0; i<field.length; i++) {
			temp = "" + field.substring(i, i+1);
			if (valid.indexOf(temp) == "-1") ok = "no";
		}
		if (ok == "no") {
			alert("Please enter valid data here");
			return false
		}
		return true

	}else{
		alert("Address can't be empty");
		return false
	}
}

function others(field) {
	if(field.length!=0){
		var valid = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz ;:.,#\/\\-_@1234567\"'890"
		var ok = "yes";
		var temp;
		for (var i=0; i<field.length; i++) {
			temp = "" + field.substring(i, i+1);
			if (valid.indexOf(temp) == "-1") ok = "no";
		}
		if (ok == "no") {
			alert("Invalid entry!  Only valid characters are accepted!");
			return false
		}
		return true

	}else{
		return false
	}
}

function messg(field) {
	if(field.length!=0){
		var valid = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789\'\"?,.:;`~/-!@#$%^&*()_-+=|\                                                                                 "
		var ok = "yes";
		var temp;
		for (var i=0; i<field.length; i++) {
			temp = "" + field.substring(i, i+1);
			if (valid.indexOf(temp) == "-1") ok = "no";
		}
		if (ok == "no") {
			alert("Please enter a valid message");
			return false
		}
		return true

	}else{
		return false
	}
}

function emailCheck(emailStr, field){
	var valid1 = "ABCDEFGHIJKLMNOPQRSTUVWXYZ -_1234567890@.abcdefghijklmnopqrstuvwxyz"
	var ok1="yes";
	var temp1;
	for (var i=0; i<emailStr.length; i++) {
	temp1 = "" + emailStr.substring(i, i+1);
	if (valid1.indexOf(temp1) == "-1") ok1 = "no";
	}
	if (ok1 == "no") 
	{
	//alert("here");
	alert("Enter a valid e-mail ID!")
	field.focus();
	field.select();
	return false
	}
	var checkTLD=1;
	var knownDomsPat=/^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum|COM|NET|ORG|EDU|INT|MIL|GOV|ARPA|BIZ|AERO|NAME|COOP|INFO|PRO|MUSEUM|in|inc|IN|INC)$/;
	var emailPat=/^(.+)@(.+)$/;
	var specialChars="\\(\\)><@,;:\\\\\\\"\\.\\[\\]";
	var validChars="\[^\\s" + specialChars + "\]";
	var quotedUser="(\"[^\"]*\")";
	var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;
	var atom=validChars + '+';
	var word="(" + atom + "|" + quotedUser + ")";
	var userPat=new RegExp("^" + word + "(\\." + word + ")*$");
	var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");
	var matchArray=emailStr.match(emailPat);
	if (matchArray==null) {
	alert("The e-mail id appears to be invalid");
	field.focus();
	field.select();
	return false;
	}
	var user=matchArray[1];
	var domain=matchArray[2];
	for (i=0; i<user.length; i++) {
	if (user.charCodeAt(i)>127) {
	alert("The username contains invalid characters.");
	field.focus();
	field.select();
	return false;
	}
	}
	for (i=0; i<domain.length; i++) {
	if (domain.charCodeAt(i)>127) {
	alert("Ths domain name contains invalid characters.");
	field.focus();
	field.select();
	return false;
	}
	}
	if (user.match(userPat)==null) {
	alert("Enter a valid e-mail ID!");
	field.focus();
	field.select();
	return false;
	}
	var IPArray=domain.match(ipDomainPat);
	if (IPArray!=null) {
	for (var i=1;i<=4;i++) {
	if (IPArray[i]>255) {
	alert("Destination IP address is invalid!");
	field.focus();
	field.select();
	return false;
	}
	}
	return true;
	}
	var atomPat=new RegExp("^" + atom + "$");
	var domArr=domain.split(".");
	var len=domArr.length;
	for (i=0;i<len;i++) {
	if (domArr[i].search(atomPat)==-1) {
	alert("The domain name does not seem to be valid.");
	field.focus();
	field.select();
	return false;
	}
	}
	if (checkTLD && domArr[domArr.length-1].length!=2 && 
	domArr[domArr.length-1].search(knownDomsPat)==-1) {
	alert("Enter a valid e-mail ID!");
	field.focus();
	field.select();
	return false;
	}
	if (len<2) {
	alert("This address is missing a hostname!");
	field.focus();
	field.select();
	return false;
	}
	return true;
}


function alphanumeric1(field) {
//alert(field);
	if(field.length!=0){
		var valid = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789 ."
		var ok = "yes";
		var temp;
		for (var i=0; i<field.length; i++) {
			temp = "" + field.substring(i, i+1);
			if (valid.indexOf(temp) == "-1") ok = "no";
		}
		if (ok == "no") {
			alert("Invalid entry!  Only valid characters are accepted!");
			return false
		}
		return true

	}else{
		return false
	}
}
function pwdtext(field) {
//alert(field);
	if(field.length!=0){
		var valid = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"
		var ok = "yes";
		var temp;
		for (var i=0; i<field.length; i++) {
			temp = "" + field.substring(i, i+1);
			if (valid.indexOf(temp) == "-1") ok = "no";
		}
		if (ok == "no") {
			alert("Invalid entry!  Only valid characters are accepted!");
			return false
		}
		return true

	}else{
		return false
	}
}

function phone(field) {
//alert(field);
	if(field.length!=0){
		var valid = "0123456789-/ "
		var ok = "yes";
		var temp;
		for (var i=0; i<field.length; i++) {
			temp = "" + field.substring(i, i+1);
			if (valid.indexOf(temp) == "-1") ok = "no";
		}
		if (ok == "no") {
			alert("The Number appears to be invalid.");
			return false
		}
		return true

	}else{
		alert("This field can't be empty.");
		return false
	}
}

function money(field) {
//alert(field);
	if(field.length!=0){
		var valid = "0123456789,. "
		var ok = "yes";
		var temp;
		for (var i=0; i<field.length; i++) {
			temp = "" + field.substring(i, i+1);
			if (valid.indexOf(temp) == "-1") ok = "no";
		}
		if (ok == "no") {
			alert("The amount appears to be invalid.");
			return false
		}
		return true

	}else{
		return false
	}
}
function myvalidatation(field) {
//alert(field);
	if(field.length!=0){
		var valid = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789 .,"
		var ok = "yes";
		var temp;
		for (var i=0; i<field.length; i++) {
			temp = "" + field.substring(i, i+1);
			if (valid.indexOf(temp) == "-1") ok = "no";
		}
		if (ok == "no") {
			alert("Invalid entry!  Only valid characters are accepted!");
			return false
		}
		return true

	}else{
		return false
	}
}

// not enail check



function notemailCheck(emailStr)
{
var valid1 = "ABCDEFGHIJKLMNOPQRSTUVWXYZ -_1234567890@.abcdefghijklmnopqrstuvwxyz"
var ok1="yes";
var temp1;
for (var i=0; i<emailStr.length; i++) {
temp1 = "" + emailStr.substring(i, i+1);
if (valid1.indexOf(temp1) == "-1") ok1 = "no";
}
if (ok1 == "no") 
{
//alert("here");
return true;
}
var checkTLD=1;
var knownDomsPat=/^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum|COM|NET|ORG|EDU|INT|MIL|GOV|ARPA|BIZ|AERO|NAME|COOP|INFO|PRO|MUSEUM|in|inc|IN|INC)$/;
var emailPat=/^(.+)@(.+)$/;
var specialChars="\\(\\)><@,;:\\\\\\\"\\.\\[\\]";
var validChars="\[^\\s" + specialChars + "\]";
var quotedUser="(\"[^\"]*\")";
var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;
var atom=validChars + '+';
var word="(" + atom + "|" + quotedUser + ")";
var userPat=new RegExp("^" + word + "(\\." + word + ")*$");
var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");
var matchArray=emailStr.match(emailPat);
if (matchArray==null) {
return true;
}
var user=matchArray[1];
var domain=matchArray[2];
for (i=0; i<user.length; i++) {
if (user.charCodeAt(i)>127) {
return true;
}
}
for (i=0; i<domain.length; i++) {
if (domain.charCodeAt(i)>127) {
return true;
   }
}
if (user.match(userPat)==null) {
return true;
}
var IPArray=domain.match(ipDomainPat);
if (IPArray!=null) {
for (var i=1;i<=4;i++) {
if (IPArray[i]>255) {
return true;
}
}
return false;
}
var atomPat=new RegExp("^" + atom + "$");
var domArr=domain.split(".");
var len=domArr.length;
for (i=0;i<len;i++) {
if (domArr[i].search(atomPat)==-1) {
return true;
}
}
if (checkTLD && domArr[domArr.length-1].length!=2 && 
domArr[domArr.length-1].search(knownDomsPat)==-1) {
alert(mymsg);
return true;
}
if (len<2) {
return true;
}
return false;
}
function domaincheck(field) {
	if(field.length!=0){
		var valid = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_-"
		var ok = "yes";
		var temp;
		for (var i=0; i<field.length; i++) {
			temp = "" + field.substring(i, i+1);
			if (valid.indexOf(temp) == "-1") ok = "no";
		}
		if (ok == "no") {
			alert("Invalid entry!  Only valid characters are accepted!");
			return false
		}
		return true

	}else{
		return false
	}
}

function extensioncheck(field) {
	if(field.length!=0){
		var valid = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"
		var ok = "yes";
		var temp;
		for (var i=0; i<field.length; i++) {
			temp = "" + field.substring(i, i+1);
			if (valid.indexOf(temp) == "-1") ok = "no";
		}
		if (ok == "no") {
			alert("Invalid entry!  Only valid characters are accepted!");
			return false
		}
		return true

	}else{
		return false
	}
}

function numericrank(field) {
//alert(field);
	if(field.length!=0){
		var valid = "0123456789"
		var ok = "yes";
		var temp;
		for (var i=0; i<field.length; i++) {
			temp = "" + field.substring(i, i+1);
			if (valid.indexOf(temp) == "-1") ok = "no";
		}
		if (ok == "no") {
			alert("Number appears to be invalid.");
			return false
		}
		return true

	}else{
		return false
	}
}


//end of not email check