function doVoid(){}

function popupPrivacy(){
  var w = 780;
  var h = 460;  
  var winl = (screen.width-w)/2;
  var wint = (screen.height-h)/2;
  if (winl < 0) winl = 0;
  if (wint < 0) wint = 0;
  var settings = 'height=' + h + ',';
  settings += 'width=' + w + ',';
  settings += 'top=' + wint + ',';
  settings += 'left=' + winl + ',' ;
  settings += 'toolbar=no,directories=no,menubar=no,scrollbars=yes,resizable=no';
  
  win = window.open('http://www.citizenpartner.org/upload/PrivacyStatement.htm','',settings);
  win.window.focus();
}

function displayPanel(id)
{
	var ht=screen.height;
	var wt=screen.width;
	document.getElementById(id).style.left = (wt-325)/2;
	document.getElementById(id).style.top =((ht*0.85)-125)/2;
	document.getElementById(id).style.visibility = "visible";
}

function closePanel(id)
{
	document.getElementById(id).style.visibility = "hidden";
}

function DisplayList(elmt)
{
	document.all(elmt).style.visibility = "visible";
}

function HideList(elmt)
{
	document.all(elmt).style.visibility = "hidden";
}

var toggleFlag = true;
function ToggleDisplayHideVideo()
{
	if(toggleFlag)
	{
		DisplayList('schTbl');
	}
	else
	{
		HideList('schTbl');
	}
	toggleFlag = !toggleFlag;
}

function maskInteger(objEvent) 
{
	var iKeyCode;  	
	iKeyCode = objEvent.keyCode;			
	if(iKeyCode>=48 && iKeyCode<=57) return true;
	return false;
}

function maskDecimal(objEvent,val) 
{
	var iKeyCode;  	
	iKeyCode = objEvent.keyCode;			
	if(iKeyCode>=48 && iKeyCode<=57)
		return true;
	if(iKeyCode==46 && val.indexOf('.')<0 && val.length>0)
		return true;

	return false;
}

function checkLoginFrm(form)
{
	var uname = form.heritageuname.value;
	var pword = form.heritagepword.value;
	
	if(uname == '' || uname.length==0)
	{
		alert('Please enter username.');
		return false;
	}	
	else if(uname.length>15)
	{
		alert('Username should not be more than 15 characters long');
		return false;
	}
	else if(pword == '')
	{
		alert('Please enter password.');
		return false;
	}
	else if(pword.length<6)
	{
		alert('Password is less than 6 characters long.\nPassword should be 6 - 10 characters long.');
		return false;
	}
	else if(pword.length>10)
	{
		alert('Password is more than 10 characters long.\nPassword should be 6 - 10 characters long.');
		return false;
	}
	else
		return true;
}

function checkResetPWFrm(form)
{
	var nric = form.heritagenric.value;
	var email = form.heritageemail.value;
			
	if(nric == '')
	{
		alert('Please enter your NRIC/FIN number.');
		return false;
	}
	else if(!emailCheck(email))
	{
		return false;
	}
	else
		return true;
}

function checkEditPWFrm(form)
{
	var pw1 = form.heritagepword1.value;
	var pw2 = form.heritagepword2.value;
	
	if(pw1.length<6 || pw1.length>10 || pw2.length<6 || pw2.length>10)
	{
		alert("Please ensure that your password is between 6 to 10 characters long.");
		return false;
	}
	
	if(pw1 != pw2)
	{
		alert("You have not entered the same password twice!\nPlease re-enter the same password twice.");
		return false;
	}
	return true;
}

function PopUp(mypage, myname, w, h, scroll)
{
  var winl = (screen.width - w) / 2;
  var wint = (screen.height - h) / 2;
  winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars='+scroll+',resizable=0'
  win = window.open(mypage, myname, winprops)
  if (parseInt(navigator.appVersion) >= 4) { win.window.focus(); }
}

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;

}


//--------------------------------------------------------------------
// -------------------- PROMPTS FOR PORTAL ---------------------------
//--------------------------------------------------------------------


function promptLoginError()
{
	alert("Sorry, you have entered an invalid username and password.");
}

function promptResetSuccessful()
{
	alert("Your password has been successfully changed.\nYou will receive an email shortly with your new password.");
}

function promptResetError()
{
	alert("There has been an error while resetting your password.\nPlease try again later.");
}

function promptResetNotFound()
{
	alert("Sorry, the system is unable to find an account with the NRIC/FIN number and email address which you have provided.\nWe are unable to reset your password.");
}

function promptEditPWSuccessful()
{
	alert("Your password has been updated successfully.\nYou may now use this password to access the Citizen Partners Portal and Ethnic Heritage @ South West Portal.");
}

function promptEditPWUnsuccessful()
{
	alert("The update of your password was not successful.\nPlease try again.");
}

function promptForumLoginRequired()
{
	alert("You are required to login to access this part of the forum.");
}

function promptGeneralError()
{
	alert("An error had occurred in the previous page. Please try again.");
}

function promptThreadDeletedError()
{
	alert("The thread has been deleted. The system is unable to retrieve any information of the thread.");
}

function promptMessageDeletedError()
{
	alert("The message has been deleted. The system is unable to retrieve any information of the message.");
}

function promptDeleteMessageError()
{
	alert("You are not allowed to delete the selected message.");
}

function promptEditMessageError()
{
	alert("You are not allowed to edit the selected message.");
}

function promptDeleteThreadError()
{
	alert("You are not allowed to delete the selected thread.");
}