function submitPostJob() {
	checkArr = new Array('Title','','R');
	customValidate(checkArr);
	if (document.customReturnValue) {
		var category = document.getElementById('Category').value;
		var min_qua = document.getElementById('Minimum_Qualification').value;
		var job_nat = document.getElementById('Job_Nature').value;
		var nationality = document.getElementById('Nationality').value;
		
		var address = document.getElementById('Address').value;
		var email = document.getElementById('Email_Address').value;
		var fax = document.getElementById('Fax_Number').value;
		var tel = document.getElementById('Tel_Handphone_Number').value;
		
		var err_message = "";
		var error = false;
		
		if (category == '') {
			err_message = "- Please select a category.\n";
			error = true;
		}
		
		if (min_qua == '') {
			err_message = err_message + "- Please select minimum qualification.\n";
			error = true;
		}
		
		if (job_nat == '') {
			err_message = err_message + "- Please select job nature.\n";
			error = true;
		}
		
		if (nationality == '') {
			err_message = err_message + "- Please select nationality.\n";
			error = true;
		}
		
		if (address == '' && email == '' && fax == '' && tel == '') {
			err_message = err_message + "- Please choose at least one method for the candidate to apply for the job.\n";
			error = true;
		}
		
		
		
		
		if (error == true) {
			err_message = "Please check the error(s) below:\n\n" + err_message;
			alert(err_message);
			return false;
		} else {
			return true;	
		}
		
		
		
	}
	return false;
	
}


function submitLoginFromReg() {
	checkArr = new Array('Login_Email','','R','Login_Password','','R');
	customValidate(checkArr);
	if (document.customReturnValue) {
		var emailStr = document.getElementById('Login_Email').value;
		return checkEmail(emailStr);
	}
	return false;
}

function submitReg() {
	checkArr = new Array('Email','','R','Password-1','','R','Password-2','','R','Security-Code','','R');
	customValidate(checkArr);
	if (document.customReturnValue) {
		var emailStr = document.getElementById('Email').value;
		return checkEmail(emailStr);
	}
	return false;
}

function submitReg2() {
	
	if (checkAge()) {
		checkArr = new Array('Name','','R','Birth_Place','','R','Interests','','R','About_Me','','R');
		customValidate(checkArr);
		return document.customReturnValue;
	} else {
		alert('Sorry, you must be at least 13 years old to join.\n\nPlease check Date of Birth.');	
		return false;
	}
	
}

function submitProfileUpdate() {
	if (checkAge()) {
		checkArr = new Array('Name','','R','Birth_Place','','R','Interests','','R','About_Me','','R');
		customValidate(checkArr);
		return document.customReturnValue;
	} else {
		alert('Sorry, you must be at least 13 years old.');	
		return false;
	}
}

function checkAge() {
	var dd = document.getElementById('Day').value;
	var mm = document.getElementById('Month').value;
	var yy = document.getElementById('Year').value;
	
	var todate = new Date;
	var fromdate = new Date(yy, mm-1, dd);

	var diffYears = calYear(todate, fromdate);
	// alert(diffYears);
	// var diffMonths = calMonth(todate, fromdate);
	if (diffYears < 13) {
		
		return false;
	}
	return true;
	
	//alert(diffYears + " years and " + diffMonths + " months");
}

function calYear(varAsOfDate, varBirthDate) {
   var dtAsOfDate;
   var dtBirth;
   var dtAnniversary;
   var intSpan;
   var intYears;
   var intMonths;
   var intWeeks;
   var intDays;
   var intHours;
   var intMinutes;
   var intSeconds;
   var strHowOld;

   // get born date
   dtBirth = new Date(varBirthDate);
   
   // get as of date
   dtAsOfDate = new Date(varAsOfDate);

   // if as of date is on or after born date
   if ( dtAsOfDate >= dtBirth )
      {

      // get time span between as of time and birth time
      intSpan = ( dtAsOfDate.getUTCHours() * 3600000 +
                  dtAsOfDate.getUTCMinutes() * 60000 +
                  dtAsOfDate.getUTCSeconds() * 1000    ) -
                ( dtBirth.getUTCHours() * 3600000 +
                  dtBirth.getUTCMinutes() * 60000 +
                  dtBirth.getUTCSeconds() * 1000       )

      // start at as of date and look backwards for anniversary 

      // if as of day (date) is after birth day (date) or
      //    as of day (date) is birth day (date) and
      //    as of time is on or after birth time
      if ( dtAsOfDate.getUTCDate() > dtBirth.getUTCDate() ||
           ( dtAsOfDate.getUTCDate() == dtBirth.getUTCDate() && intSpan >= 0 ) )
         {

         // most recent day (date) anniversary is in as of month
         dtAnniversary = 
            new Date( Date.UTC( dtAsOfDate.getUTCFullYear(),
                                dtAsOfDate.getUTCMonth(),
                                dtBirth.getUTCDate(),
                                dtBirth.getUTCHours(),
                                dtBirth.getUTCMinutes(),
                                dtBirth.getUTCSeconds() ) );

         }

      // if as of day (date) is before birth day (date) or
      //    as of day (date) is birth day (date) and
      //    as of time is before birth time
      else
         {

         // most recent day (date) anniversary is in month before as of month
         dtAnniversary = 
            new Date( Date.UTC( dtAsOfDate.getUTCFullYear(),
                                dtAsOfDate.getUTCMonth() - 1,
                                dtBirth.getUTCDate(),
                                dtBirth.getUTCHours(),
                                dtBirth.getUTCMinutes(),
                                dtBirth.getUTCSeconds() ) );

         // get previous month
         intMonths = dtAsOfDate.getUTCMonth() - 1;
         if ( intMonths == -1 )
            intMonths = 11;

         // while month is not what it is supposed to be (it will be higher)
         while ( dtAnniversary.getUTCMonth() != intMonths )

            // move back one day
            dtAnniversary.setUTCDate( dtAnniversary.getUTCDate() - 1 );

         }

      // if anniversary month is on or after birth month
      if ( dtAnniversary.getUTCMonth() >= dtBirth.getUTCMonth() )
         {

         // months elapsed is anniversary month - birth month
         intMonths = dtAnniversary.getUTCMonth() - dtBirth.getUTCMonth();

         // years elapsed is anniversary year - birth year
         intYears = dtAnniversary.getUTCFullYear() - dtBirth.getUTCFullYear();

         }

      // if birth month is after anniversary month
      else
         {

         // months elapsed is months left in birth year + anniversary month
         intMonths = (11 - dtBirth.getUTCMonth()) + dtAnniversary.getUTCMonth() + 1;

         // years elapsed is year before anniversary year - birth year
         intYears = (dtAnniversary.getUTCFullYear() - 1) - dtBirth.getUTCFullYear();

         }

      // to calculate weeks, days, hours, minutes and seconds
      // we can take the difference from anniversary date and as of date

      // get time span between two dates in milliseconds
      intSpan = dtAsOfDate - dtAnniversary;

      // get number of weeks
      intWeeks = Math.floor(intSpan / 604800000);

      // subtract weeks from time span
      intSpan = intSpan - (intWeeks * 604800000);
      
      // get number of days
      intDays = Math.floor(intSpan / 86400000);

      // subtract days from time span
      intSpan = intSpan - (intDays * 86400000);

      // get number of hours
      intHours = Math.floor(intSpan / 3600000);
    
      // subtract hours from time span
      intSpan = intSpan - (intHours * 3600000);

      // get number of minutes
      intMinutes = Math.floor(intSpan / 60000);

      // subtract minutes from time span
      intSpan = intSpan - (intMinutes * 60000);

      // get number of seconds
      intSeconds = Math.floor(intSpan / 1000);

      }
   else
      intYears = 0;

	return intYears;
}

function checkEmail(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;
}


function customValidate(varArr) {
    var i,p,q,nm,test,num,min,max,errors='';
    for (i=0; i<(varArr.length-2); i+=3) { test=varArr[i+2]; val=document.getElementById(varArr[i]);
      if (val) { nm=val.id; if ((val=val.value)!="") {
        if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');
          if (p<1 || p==(val.length-1)) errors+='- '+nm+' must contain an e-mail address.\n';
        } else if (test!='R') { num = parseFloat(val);
          if (isNaN(val)) errors+='- '+nm+' must contain a number.\n';
          if (test.indexOf('inRange') != -1) { p=test.indexOf(':');
            min=test.substring(8,p); max=test.substring(p+1);
            if (num<min || max<num) errors+='- '+nm+' must contain a number between '+min+' and '+max+'.\n';
      } } } else if (test.charAt(0) == 'R') errors += '- '+nm+' is required.\n'; }
    } if (errors) alert('Please check the error(s) below:\n'+errors);
    document.customReturnValue = (errors == '');
}