var isNS4 = (navigator.appName=="Netscape")?1:0;

//==================================================================================
//==============================check Entry===================================================
//==================================================================================

//<!-- Begin
//function checkEntry(objName) {
//var datefield = objName;
//if (checkEntry(objName) == false) {
//datefield.select();
//alert("Enter 0 or Proper Telephone number");
//datefield.focus();
//return false;
//}
//else {
//return true;
//   }
//}

var r={
 'special':/['\\'&'\:'&'';'&'\<'&'\>'&'\?'&'\/'&'\['&'\]'&'\|'&'\!'&'\~'&'\`'&'\#'&'\%'&'\^'&'\*'&'\{'&'\}'&'\,'&'\+'&'\_'&'\"'&'\''&'\$']/g,
//  'special':/[\W]/g,
 'quotes':/['\''&'\"']/g,
 'notnumbers':/[^\d]/g
}

function valid(o,w){
 o.value = o.value.replace(r[w],'');
}

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

function textCounter1(field,cntfield,maxlimit,cntlinefield,maxline,cntfield2,cntlinefield2) {
//valid(field,'special')
countLines(field,cntlinefield,maxline)
	if (cntlinefield2.value < maxline + 1 ){ // if too long...trim it!
		if (field.value.length > maxlimit){ // if too long...trim it!
			field.value = field.value.substring(0, maxlimit);
			// otherwise, update 'characters left' counter
		} else {
			cntfield.value = maxlimit - field.value.length;
			cntfield2.value = field.value.length - 2
		}
	} else {
		field.value = field.value.substring(0, cntfield2.value);
	}
}
function countLines(theArea,cntlinefield,maxline){
  var theLines = theArea.value.replace((new RegExp(".{"+theArea.cols+"}","g")),"\n").split("\n");
  if(theLines[theLines.length-1]=="") theLines.length--;
  theArea.form.lineCount1.value = theLines.length;
  cntlinefield.value = maxline - theLines.length;
}

//==================================================================================
//==============================check Entry===================================================
//==================================================================================

function check_btnEnqNow(ss){
var sError=""
var sError1=""
var sErrormsg="Following Fields are Required.." + ' \n'
	if (document.frmEnqire.txtFamName.value == "") {
		sError = sError + "-- Family Name " + ' \n'
	}
	if (document.frmEnqire.txtFrstName.value == "") {
		sError = sError + "-- First Name" + ' \n'
	}
	if (document.frmEnqire.txtCntResid.value == "") {
		sError = sError + "-- Country of Residence " + ' \n'
	}
	if (document.frmEnqire.txtProf.value == "") {
		sError = sError + "-- Profession / Occupation" + ' \n'
	}
	if (document.frmEnqire.txtContNo.value == "") {
		sError = sError + "-- Contact Number " + ' \n'
	}
	if (document.frmEnqire.txtFaxNo.value == "") {
		sError = sError + "-- Fax Number" + ' \n'
	}
	if (document.frmEnqire.txtMobil.value == "") {
		sError = sError + "-- Mobile Number " + ' \n'
	}
	if ((document.frmEnqire.txtEmail.value == "") || (emailCheck(document.frmEnqire.txtEmail.value) == false)) {
		sError = sError + "-- Invalid Email" + ' \n'
	}
	if (document.frmEnqire.cmbVisaType.value == "") {
		sError = sError + "-- Visa Type" + ' \n'
	}
	if (document.frmEnqire.txtQuery.value == "") {
		sError = sError + "-- Query" + ' \n'
	}
	if (sError != "") {
		 sError1 = sErrormsg + sError
		alert(sError1) 
		if (document.frmEnqire.txtFamName.value == "") {
        document.frmEnqire.txtFamName.focus()
		}
		else if (document.frmEnqire.txtFrstName.value == "") {
        document.frmEnqire.txtFrstName.focus()
		}
		else if (document.frmEnqire.txtCntResid.value == "") {
        document.frmEnqire.txtCntResid.focus()
		}
		else if (document.frmEnqire.txtProf.value == "") {
        document.frmEnqire.txtProf.focus()
		}
		else if (document.frmEnqire.txtContNo.value == "") {
        document.frmEnqire.txtContNo.focus()
		}
		else if (document.frmEnqire.txtFaxNo.value == "") {
        document.frmEnqire.txtFaxNo.focus()
		}
		else if (document.frmEnqire.txtMobil.value == "") {
        document.frmEnqire.txtMobil.focus()
		}
		else if ((document.frmEnqire.txtEmail.value == "") || (emailCheck(document.frmEnqire.txtEmail.value) == false)) {
        document.frmEnqire.txtEmail.focus()
		}
		else if (document.frmEnqire.cmbVisaType.value == "") {
        document.frmEnqire.cmbVisaType.focus()
		}
		else if (document.frmEnqire.txtQuery.value == "") {
        document.frmEnqire.txtQuery.focus()
		}
		
	return false}
	else if (ss == 1){
	document.frmEnqire.action="EnqNow2.asp";
	document.frmEnqire.submit();		
		return true
	}
	else
	{
	return false
	}
    return true
}


function emailCheck (emailStr) {

/* The following variable tells the rest of the function whether or not
to verify that the address ends in a two-letter country or well-known
TLD.  1 means check it, 0 means don't. */

var checkTLD=1;

/* The following is the list of known TLDs that an e-mail address must end with. */

var knownDomsPat=/^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum)$/;

/* The following pattern is used to check if the entered e-mail address
fits the user@domain format.  It also is used to separate the username
from the domain. */

var emailPat=/^(.+)@(.+)$/;

/* The following string represents the pattern for matching all special
characters.  We don't want to allow special characters in the address. 
These characters include ( ) < > @ , ; : \ " . [ ] */

var specialChars="\\(\\)><@,;:\\\\\\\"\\.\\[\\]";

/* The following string represents the range of characters allowed in a 
username or domainname.  It really states which chars aren't allowed.*/

var validChars="\[^\\s" + specialChars + "\]";

/* The following pattern applies if the "user" is a quoted string (in
which case, there are no rules about which characters are allowed
and which aren't; anything goes).  E.g. "jiminy cricket"@disney.com
is a legal e-mail address. */

var quotedUser="(\"[^\"]*\")";

/* The following pattern applies for domains that are IP addresses,
rather than symbolic names.  E.g. joe@[123.124.233.4] is a legal
e-mail address. NOTE: The square brackets are required. */

var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;

/* The following string represents an atom (basically a series of non-special characters.) */

var atom=validChars + '+';

/* The following string represents one word in the typical username.
For example, in john.doe@somewhere.com, john and doe are words.
Basically, a word is either an atom or quoted string. */

var word="(" + atom + "|" + quotedUser + ")";

// The following pattern describes the structure of the user

var userPat=new RegExp("^" + word + "(\\." + word + ")*$");

/* The following pattern describes the structure of a normal symbolic
domain, as opposed to ipDomainPat, shown above. */

var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");

/* Finally, let's start trying to figure out if the supplied address is valid. */

/* Begin with the coarse pattern to simply break up user@domain into
different pieces that are easy to analyze. */

var matchArray=emailStr.match(emailPat);

if (matchArray==null) {

/* Too many/few @'s or something; basically, this address doesn't
even fit the general mould of a valid e-mail address. */

//alert("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("Ths username contains invalid characters.");
return false;
   }
}
for (i=0; i<domain.length; i++) {
if (domain.charCodeAt(i)>127) {
//alert("Ths domain name contains invalid characters.");
return false;
   }
}

// See if "user" is valid 

if (user.match(userPat)==null) {

// user is not valid

//alert("The username doesn't seem to be valid.");
return false;
}

/* if the e-mail address is at an IP address (as opposed to a symbolic
host name) make sure the IP address is valid. */

var IPArray=domain.match(ipDomainPat);
if (IPArray!=null) {

// this is an IP address

for (var i=1;i<=4;i++) {
if (IPArray[i]>255) {
//alert("Destination IP address is invalid!");
return false;
   }
}
return true;
}

// Domain is symbolic name.  Check if it's valid.
 
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.");
return false;
   }
}

/* domain name seems valid, but now make sure that it ends in a
known top-level domain (like com, edu, gov) or a two-letter word,
representing country (uk, nl), and that there's a hostname preceding 
the domain or country. */

if (checkTLD && domArr[domArr.length-1].length!=2 && 
domArr[domArr.length-1].search(knownDomsPat)==-1) {
//alert("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("This address is missing a hostname!");
return false;
}

// If we've gotten this far, everything's valid!
return true;
}