function checkString(str, value, length)
{
	for(i=0;i<length;i++)
	{
		ch1=value.charAt(i);
		rtn1=str.indexOf(ch1);
		if(rtn1==-1)
			return false;
	}
	return true;
}
function letter(value,length)
{
	chk1="abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ\-\' ";
	return checkString(chk1, value, length);
}
function alphanum(value,length)
{
	chk1="1234567890abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_\-";
	return checkString(chk1, value, length);
}
function alphaNumericOnly(value, length)
{
	chk1="1234567890abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
	return checkString(chk1, value, length);
}
function number(value,length)
{
	chk1="1234567890";
	return checkString(chk1, value, length);
}
function phoneformate(value,length)
{
	chk1="1234567890()- ";
	return checkString(chk1, value, length);
}
//******************************************************************************************//
//********************* functions  for email-id validation ****************************//
//******************************************************************************************//

function isValidEmail(emailStr) {
	var checkTLD=1;
	var knownDomsPat=/^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum)$/;
	var emailPat=/^(.+)@(.+)$/;
	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 +")*$");
	var matchArray=emailStr.match(emailPat);
	if (matchArray==null) {
		alert(" ( "+ emailStr +" ) Email address seems incorrect (check @ and .'s)");
		return false;
	}
	var user=matchArray[1];
	var domain=matchArray[2];
	// Start by checking that only basic ASCII characters are in the strings (0-127).
	for (i=0; i<user.length; i++) {
		if (user.charCodeAt(i)>127) {
			alert(" ( "+ emailStr +" ) Ths username contains invalid characters.");
			return false;
		}
	}
	for (i=0; i<domain.length; i++) {
		if (domain.charCodeAt(i)>127) {
			alert(" ( "+ emailStr +" ) Ths domain name contains invalid characters.");
			return false;
		}
	}
	if (user.match(userPat)==null) {
		alert(" ( "+ emailStr +" ) The username doesn't seem to be valid.");
		return false;
	}
	var IPArray=domain.match(ipDomainPat);
	if (IPArray!=null) {
		for (var i=1;i<=4;i++) {
			if (IPArray[i]>255) {
				alert(" ( "+ emailStr +" ) Destination IP address is invalid!");
				return false;
	   		}
		}
		return true;
	}
	var atomPat=new RegExp("^" + atom + "$");
	var domArr=domain.split(".");
	var len=domArr.length;
	for (i=0;i<len;i++) {
		if (domArr[i].search(atomPat)==-1) {
			alert(" ( "+ emailStr +" ) The domain name does not seem to be valid.");
			return false;
	   }	
	}
	if (checkTLD && domArr[domArr.length-1].length!=2 && 
		domArr[domArr.length-1].toLowerCase().search(knownDomsPat)==-1) {
		alert(" ( "+ emailStr +" ) The address must end in a well-known domain or two letter " + "country.");
		return false;
	}

// Make sure there's a host name preceding the domain.

	if (len<2) {
		alert(" ( "+ emailStr +" ) This address is missing a hostname!");
		return false;
	}	
	return true;
}

function Trim(s) 
{
  // Remove leading spaces and carriage returns

  while ((s.substring(0,1) == ' ') || (s.substring(0,1) == '\n') || (s.substring(0,1) == '\r'))
  {
    s = s.substring(1,s.length);
  }

  // Remove trailing spaces and carriage returns

  while ((s.substring(s.length-1,s.length) == ' ') || (s.substring(s.length-1,s.length) == '\n') || (s.substring(s.length-1,s.length) == '\r'))
  {
    s = s.substring(0,s.length-1);
  }
  return s;
}
function phoneformate_New(value,length)
{
	chk1="1234567890";
	return checkString(chk1, value, length);
}
function ni_validate(niNumber,id)
{
	var regNI = /^([a-zA-Z]){2}?([0-9]){2}?([0-9]){2}?([0-9]){2}?([a-zA-Z]){1}?$/;
	if(regNI.test(niNumber) == false)
	{
		alert("Please enter valid NI number");
		document.getElementById(id).focus();
		return false;
	}
	return true;
}
function number_New(value,length)
{
	chk1="1234567890.";
	return checkString(chk1, value, length);
}


//******************************************************************************************//
//***************** functions for T3Leads Collecting Visitors' information *****************//
//******************************************************************************************//

// Get variable for Subaccount
var getValueSRC = 'subacc';

// Get variable for Keyword, not used for traffic from search engines. For the traffic from search engines Keyword parsed from the referer
var getValueKWRD= 'kwrd';

// Get variable for Click ID
var getValueCLCID = 'clcid';

if (document.referrer!=null){
	var refDName = (document.referrer+"/").match("http[s]?://(.*?)/");
	var curDName = (document.location+"/").match("http[s]?://(.*?)/");
	try{
		if (refDName[1] != curDName[1]) document.cookie = 'rfrrr='+document.referrer+';';
	} catch(err) {}
}
try{
	var subacc = (document.location+"&").match(getValueSRC+"=(.*?)[\&]");
	if (subacc[1]) document.cookie = 'src='+subacc[1]+';';
} catch(err) {}
try {
	var kwrd = (document.location+"&").match(getValueKWRD+"=(.*?)[\&]");
	if (kwrd[1]) document.cookie = 'kwrd='+kwrd[1]+';';
} catch(err) {}
try {
	var clcid = (document.location+"&").match(getValueCLCID+"=(.*?)[\&]");
	if (clcid[1]) document.cookie = 'clcid='+clcid[1]+';';
} catch(err) {}