function _(title) {
  return document.getElementById(title);
}

function checkFaqData() {  
  _('error').innerHTML = 'Klaida. Neteisingai įvesti arba neįvesti duomenys.';
  var result = true;
  
  if( (_('fname').value == '') || (_('fname').value.lenght < 3) ) { 
    _('fname').className = 'error ftf1';
    _('error').style.display = '';  
    result = false;
  } else {
    _('fname').className = 'ftf1';
  }
  
  if (emailCheck(_('email').value) == false) {
    _('email').className = 'error ftf1';
    _('error').style.display = '';
    result = false;
  } else {
    _('email').className = 'ftf1';
  }
  
  if(_('question').value == '') {
    _('question').className = 'error fta1';
    _('error').style.display = '';  
    result = false;
  } else {
    _('question').className = 'fta1';
  }
       
  if (!_('agree').checked) {
    _('error').style.display = '';
    _('error').innerHTML = 'Klaida. Privalote sutikti su sąlygomis.';
    result = false; 
  }
  
  return result;
}

function checkFaqData2() {
  _('error').innerHTML = 'Klaida. Neteisingai įvesti arba neįvesti duomenys.';
  var result = true;
  
  if( (_('fname').value == '') || (_('fname').value.lenght < 3) ) { 
    _('fname').className = 'error kstf1';
    _('error').style.display = '';  
    result = false;
  } else {
    _('fname').className = 'kstf1';
  }
  
  if (emailCheck(_('email').value) == false) {
    _('email').className = 'error kstf1';
    _('error').style.display = '';
    result = false;
  } else {
    _('email').className = 'kstf1';
  }
  
  if(_('question').value == '') {
    _('question').className = 'error klta1';
    _('error').style.display = '';  
    result = false;
  } else {
    _('question').className = 'klta1';
  }
  
  return result;
}

function checkCommentData() {
  var result = true;
  if( (_('cname').value == '') || (_('cname').value.lenght < 3) ) { 
    _('cname').className = 'error ftf1';
    _('error').style.display = '';  
    result = false;
  } else {
    _('cname').className = 'ftf1';
  }
  
  if (_('email').value != '') {
    if (emailCheck(_('email').value) == false) {
      _('email').className = 'error ftf1';
      _('error').style.display = '';
      result = false;
    } else {
      _('email').className = 'ftf1';
    }
  } else {
    _('email').className = 'ftf1';
  }
  
  if(_('comment').value == '') {
    _('comment').className = 'error fta1';
    _('error').style.display = '';  
    result = false;
  } else {
    _('comment').className = 'fta1';
  }
  
  return result;
}

function checkAnswersMaybeline() {
	var error = false;
	for (i = 0; ; i++) {
    var field = _("answer_" + i);
		if (!field) {
			break;
		}
    if (field.value == '') {
			error = true;
		}    
  }
	if (_('firstname').value == '') {
		error = true;
	}
	if (_('lastname').value == '') {
		error = true;
	}
	if (_('age').value == '' || Number(_('age').value) <= 10) {
		error = true;
	}
	if (_('phone_number').value == '' || _('phone_number').value.length < 5) {
		error = true;
	}
	if (error) {
		alert("Klaida. Neteisingai įvesti arba neįvesti duomenys.");
		return false;
	}
	return true;
}



function checkAnswersGarnier() {
	var error = false;
	 if ( (_('name_surname').value == '') || (_('name_surname').value.length < 8) ) {
		error = true;	
	}
  if ( (_('phone_number').value == '') || (_('phone_number').value.length < 5) ) {
		error = true;
	}
	 if (emailCheck(_('e_mail').value) == false) {
		error = true;
	}
	
	 if (_('photo_file').value == '') {
	error = true;
	}
	
	if (_('description').value == '' || _('description').value.length < 5) {
		error = true;
	}
	
	 if ( (!_('sutinku').checked) ) {
	 error = true;
	 }
	
	if (error) {
		alert("Klaida. Neteisingai įvesti arba neįvesti duomenys.");
		return false;
	}
	return true;
}

function checkAnswersCC2() {
	var error = false;
	 if ( (_('name_surname').value == '') || (_('name_surname').value.length < 8) ) {
                _('name_surname').className = 'input_err';
		error = true;
	}
        else{
            _('name_surname').className = 'input';
        }
        
  if ( (_('phone_number').value == '') || (_('phone_number').value.length < 5) ) {
		error = true;
                _('phone_number').className = 'input_err';
	}
        else{
            _('phone_number').className = 'input';
        }

	 if (_('photo_file').value == '') {
              _('photo_file_fake').className = 'input_err';
              error = true;
	}
        else{
            _('photo_file_fake').className = 'input';
        }

	 if ( (!_('sutinku').checked) ) {
	 error = true;
	 }

	if (error) {
		_('error').className = 'error_active';
		return false;
	}
        else{
            _('error').className = '';
        }
	return true;
}

function checkAnswersGarnier2() {
	var error = false;
	 if ( (_('name_surname').value == '') || (_('name_surname').value.length < 8) ) {
		error = true;
	}
  if ( (_('phone_number').value == '') || (_('phone_number').value.length < 5) ) {
		error = true;
	}
	 if (emailCheck(_('e_mail').value) == false) {
		error = true;
	}

	if (_('description').value == '' || _('description').value.length < 3) {
		error = true;
	}

        if (_('city').value == '' || _('city').value.length < 3) {
		error = true;
	}

	 if ( (!_('sutinku').checked) ) {
	 error = true;
	 }

	if (error) {
		alert("Klaida. Neteisingai įvesti arba neįvesti duomenys.");
		return false;
	}
	return true;
}


function checkAnswers() {
  var count  = _('questions_count').value; 
  var count2 = _('questions2_count').value;    
  var result = true;   
     
  prize = 0;
  prizes = document.forms['competition_form'].prize;

  if (prizes != null) {
    for (var x=0; x<prizes.length; x++) {
      if(prizes[x].checked == true) {
        prize = prizes[x].value;
      }
    }
  }
  
  _('error').innerHTML = '';
       
  if ( (!_('sutinku').checked) ) {
     _('error').innerHTML = 'Klaida. Privalote sutikti su konkurso sąlygomis.';
    _('error').style.display = '';
    result = false;
  }

  if (_('document') != null) {
    if (_('document').value == '') {
      _('error').innerHTML = 'Klaida. Privalote prisegti dokumentą.';
      _('error').style.display = '';
      result = false;
    }
  }
  
  if (_('photo_file') != null) {
    if (_('photo_file').value == '') {
      _('error').innerHTML = 'Klaida. Privalote prisegti nuotrauką.';
      _('error').style.display = '';
      result = false;
    }
  }
  
  for (i=0; i<count; i++) {
    field_title = 'answer_' + i;
    
    if (_(field_title).value == '') {
      _(field_title).className = 'error ftf2';
      _('error').style.display = '';
      _('error').innerHTML = 'Klaida. Neteisingai įvesti arba neįvesti duomenys.'; 
      result = false;
    } else {
      _(field_title).className = 'ftf2';
    }
  }
  
  if ( (_('name_surname').value == '') || (_('name_surname').value.length < 8) ) {
    _('name_surname').className = 'error ftf1';
    _('error').style.display = '';
    _('error').innerHTML = 'Klaida. Neteisingai įvesti arba neįvesti duomenys.'; 
    result = false;
  } else {
    _('name_surname').className = 'ftf1';
  }
  
  if ( (_('phone_number').value == '') || (_('phone_number').value.length < 5) ) {
    _('phone_number').className = 'error ftf1';
    _('error').style.display = '';
    _('error').innerHTML = 'Klaida. Neteisingai įvesti arba neįvesti duomenys.'; 
    result = false;
  } else {
    _('phone_number').className = 'ftf1';
  }
  
  if (emailCheck(_('e_mail').value) == false) {
    _('e_mail').className = 'error ftf1';
    _('error').style.display = '';
    _('error').innerHTML = 'Klaida. Neteisingai įvesti arba neįvesti duomenys.'; 
    result = false;
  } else {
    _('e_mail').className = 'ftf1';
  }
  
  form = document.forms['competition_form'];
  for (i=0; i<count2; i++) {
    radio_name = 'question_poll_' + (i+1);
    
    answers = form[radio_name];
    
    if (answers != null) {
      ans = 0;
      for (var x=0; x<answers.length; x++) {
        if(answers[x].checked == true) {
          ans = answers[x].value;
        }
      }
      
      if (ans == 0) {
      	_('error').style.display = '';  
        _('error').innerHTML = 'Klaida. Pasirinkote atsakymus ne į visus klausimus.';
        result = false;
      }
    }
  }

  return result;
}

function emailCheck (emailStr) {
/* 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]

// 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
var domainArray=domain.match(domainPat)
if (domainArray==null) {
  //alert("The domain name doesn't seem to be valid.")
    return false;
}

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

/* Now we need to break up the domain to get a count of how many atoms
   it consists of. */
var atomPat=new RegExp(atom,"g")
var domArr=domain.match(atomPat)
var len=domArr.length
if (domArr[domArr.length-1].length<2 || 
    domArr[domArr.length-1].length>3) {
   // the address must end in a two letter or three letter word.
   //alert("The address must end in a three-letter domain, or two letter country.")
   return false;
}

if (len<2) {
   //var errStr="This address is missing a hostname!"
   return false;
}
return true;
}