// @todo find a better solution?
function toggleCountry( sCountry, bKeepData )
{
	if( null === oValidator || !document.getElementById('l1b') )
	{
		return;
	}
	
	if( 'boolean' === typeof( bKeepData ) )
	{
		oValidator.bKeepCountryData = bKeepData;
	}
	
	for( pQuestionPointer in oValidator.aQuestions )
	{
		if( 152 === oValidator.aQuestions[ pQuestionPointer ].iDataNameId )
		{
			if( 2 === oValidator.aQuestions[ pQuestionPointer ].iInputTypeId )
			{
				for( var i = 0; i < oValidator.aQuestions[ pQuestionPointer ].aHtmlObjects[0].options.length; i++ )
				{
					if( sCountry === oValidator.aQuestions[ pQuestionPointer ].aHtmlObjects[0].options[ i ].value )
					{
						oValidator.aQuestions[ pQuestionPointer ].aHtmlObjects[0].options[ i ].selected = 'selected';
						oValidator.aQuestions[ pQuestionPointer ].aHtmlObjects[0].onchange();
					}
				}
			}
		}
	}
}

function LgValidator( oFormObj )
{
	this.oForm					=	oFormObj
	
	this.aQuestions				=	new Array();
	this.aQuestionGroups		=	new Array();
	
	this.sDefaultCountry		=	'nl';
	this.sCurrentCountry		=	'nl';
	this.bKeepCountryData		=	false;
	
	this.aErrors				=	new Array();
	this.bIsValid				=	true;
	
	this.sDefaultRowClassName	=	'dai_campaign_table_tr';
	this.sErrorRowClassName		=	'dai_campaign_table_error_text';
}

LgValidator.prototype.prepareForm	=	function()
{
	var oSelfReference = this;
	
	this.oForm.onsubmit	=	function()
							{
								return oSelfReference.isValid();
							}
}

LgValidator.prototype.prepareCountry	=	function( sCountry )
{
	if( typeof( sPortalCountry ) === 'undefined')
	{
		this.sCurrentCountry = this.sDefaultCountry;
	}
	else
	{
		this.sCurrentCountry = sPortalCountry;
	}
	
	if( this.sCurrentCountry !== this.sDefaultCountry )
	{
		toggleCountry( this.sCurrentCountry, true );
	}
}

LgValidator.prototype.addQuestion	=	function( iId, bIsRequired, iMin, iMax, iDataTypeId, iDataNameId, iInputTypeId, sValidationFunction, oHtmlObj, oExtraHtmlObj, iGroupId, sGroupName, sGroupType )
{
	// Create an LgQuestion object if not set yet.
	if( 'undefined' === typeof( this.aQuestions[ iId ] ) )
	{
		this.aQuestions[ iId ] = new LgQuestion( iId, bIsRequired, iMin, iMax, iDataTypeId, iDataNameId, iInputTypeId, sValidationFunction, oHtmlObj, oExtraHtmlObj, iGroupId );
	}
	
	// Add the (extra) HTML object
	this.aQuestions[ iId ].addHtmlObject( oHtmlObj );
	this.aQuestions[ iId ].addHtmlObject( oExtraHtmlObj, true );
	
	// If the question is part of a question group >
	// create an LgQuestionGroup object if not set yet.
	// @todo what if the question isnt part of a question group?
	if( 'undefined' === typeof( this.aQuestionGroups[ iGroupId ] ) )
	{
		this.aQuestionGroups[ iGroupId ] = new LgQuestionGroup( iGroupId, sGroupName, sGroupType );
	}
	
	// Add the LgQuestion object to the group
	this.aQuestionGroups[ iGroupId ].addQuestion( this.aQuestions[ iId ] );
	
	// Reference objects
	var oSelfReference = this;
	var oQuestionReference = this.aQuestions[ iId ];
	var oQuestionGroupReference = this.aQuestionGroups[ iGroupId ];
	
	// Add some extra functionality to certain objects
	// For zipcode and housenumber, onkeyup check/update address details
	if( 5 ===  iDataTypeId || 10 === iDataTypeId && 'undefined' !== typeof( oQuestionGroupReference ) )
	{
		oHtmlObj.onkeyup	=	function(e)
								{
									oSelfReference.validateAddress( oQuestionGroupReference, true );
								}
	}
	
	// For country selection (NL/BE), onclick/onchange change country
	if( 152 === iDataNameId )
	{
		oHtmlObj.onchange =	function(e)
							{
								//oSelfReference.changeCountry( this.value, oQuestionReference.iId );
								oSelfReference.changeCountry( this.options[ this.selectedIndex ].value, oQuestionReference.iId );
							}
	}
	
}


LgValidator.prototype.getQuestion		=	function( iQuestionId )
{
	return this.aQuestions[ iQuestionId ];
}

LgValidator.prototype.resetValidator	=	function()
{
	this.aErrors = new Array();
	this.bIsValid = true;
	
	for( pPointer in this.aQuestions )
	{
		this.resetQuestion( this.aQuestions[ pPointer ] );
	}
	
}

LgValidator.prototype.resetQuestion	=	function( oLgQuestion )
{
	document.getElementById( 'dai_q_'+ oLgQuestion.iId +'_row' ).className = this.sDefaultRowClassName;
	
	for( pPointer in oLgQuestion.aHtmlObjects )
	{
		if( ( oLgQuestion.aHtmlObjects[ pPointer ].type ) && ( 'radio' === oLgQuestion.aHtmlObjects[ pPointer ].type || 'checkbox' === oLgQuestion.aHtmlObjects[ pPointer ].type ) )
		{
			continue;
		}
		
		oLgQuestion.aHtmlObjects[ pPointer ].value = '';
	}
	
}

LgValidator.prototype.setQuestionIsRequired	=	function( oLgQuestion, bIsRequired )
{
	oLgQuestion.bIsRequired = bIsRequired;
	
	var aChildNodes = document.getElementById( 'dai_t_'+ oLgQuestion.iId ).childNodes;
	
	for( var pPointer = 0; pPointer < aChildNodes.length; pPointer++ )
	{
		if( 'undefined' !== aChildNodes[ pPointer ].className && 'dai_question_is_required' === aChildNodes[ pPointer ].className )
		{
			aChildNodes[ pPointer ].innerHTML = ( true === bIsRequired ? '*' : '&nbsp;');
		}
	}
}

LgValidator.prototype.changeCountry	=	function( sCountry, iQuestionId )
{
	this.sCurrentCountry = sCountry.toLowerCase();
	var oLgQuestion = this.aQuestions[ iQuestionId ];
	
	if( 'undefined' !== typeof( this.aQuestionGroups[ oLgQuestion.iGroupId ] ) )
	{
		var oLgQuestionGroup = this.aQuestionGroups[ oLgQuestion.iGroupId ];
		
		if( true === oLgQuestionGroup.bHasCountrySelection ) // extra check, which might not even be needed.
		{
			if( false === this.bKeepCountryData )
			{
				// Reset questions in this group
				for( pPointer in oLgQuestionGroup.aQuestions )
				{
					if( iQuestionId === oLgQuestionGroup.aQuestions[ pPointer ].iId )
					{
						continue;
					}
					this.resetQuestion( oLgQuestionGroup.aQuestions[ pPointer ] );
				}
			}
			
			switch( this.sCurrentCountry )
			{
				case 'be':
					document.getElementById( 'dai_q_'+ oLgQuestionGroup.oStreetnameQuestion.iId +'_row' ).style.display = '';
					document.getElementById( 'dai_q_'+ oLgQuestionGroup.oCityQuestion.iId +'_row' ).style.display = '';
					
					// Streetname and city are required for belgium addresses
					this.setQuestionIsRequired( oLgQuestionGroup.oStreetnameQuestion, true );
					this.setQuestionIsRequired( oLgQuestionGroup.oCityQuestion, true );
					
					var oLgQuestionZipcode = oLgQuestionGroup.oZipcodeQuestion;
					oLgQuestionZipcode.aHtmlObjects[ 1 ].style.display = 'none';
					
				break;
				
				default:
				case 'nl':
					if( null !== oLgQuestionGroup.oStreetnameQuestion )
					{
						document.getElementById( 'dai_q_'+ oLgQuestionGroup.oStreetnameQuestion.iId +'_row' ).style.display = '';
						this.setQuestionIsRequired( oLgQuestionGroup.oStreetnameQuestion, false );
					}
					
					if( null !== oLgQuestionGroup.oCityQuestion )
					{
						document.getElementById( 'dai_q_'+ oLgQuestionGroup.oCityQuestion.iId +'_row' ).style.display = '';
						this.setQuestionIsRequired( oLgQuestionGroup.oCityQuestion, false );
					}
						
					
					var oLgQuestionZipcode = oLgQuestionGroup.oZipcodeQuestion;
					
					for( pHtmlObjPointer in oLgQuestionZipcode.aHtmlObjects )
					{
						oLgQuestionZipcode.aHtmlObjects[ pHtmlObjPointer ].style.display = '';
					}
				break;
				
			}
		}
	}
}

LgValidator.prototype.validateAddress	=	function( oLgQuestionGroup, bIsDirectValidation )
{
	switch( this.sCurrentCountry )
	{
		case 'nl':
			var bZipcodeOk = false;
			var bHousenumberOk = false;
			
			// If either one field is empty, we don't really have to continue this validation.
			// this only works of bIsDirectValidation = true. bIsDirectValidation = false when this function is triggered via 
			// validateQuestionGroup, which is called before submitting the form.
			if( true === bIsDirectValidation && ( ( oLgQuestionGroup.oZipcodeQuestion && '' === this.getValues( oLgQuestionGroup.oZipcodeQuestion ) ) || ( oLgQuestionGroup.oHousenumberQuestion && '' === this.getValues( oLgQuestionGroup.oHousenumberQuestion ) ) ) )
			{
				document.getElementById( 'dai_q_'+ oLgQuestionGroup.oZipcodeQuestion.iId +'_row').className = this.sDefaultRowClassName;
				document.getElementById( 'dai_q_'+ oLgQuestionGroup.oHousenumberQuestion.iId +'_row').className = this.sDefaultRowClassName;
				
				return true;
			}
			else
			{
				// If all values are given, we can validate 
				if( oLgQuestionGroup.oZipcodeQuestion && this.validateZipcode( this, oLgQuestionGroup.oZipcodeQuestion ) )
				{
					bZipcodeOk = true;
				}
				if( oLgQuestionGroup.oHousenumberQuestion && this.validateHousenumber( this, oLgQuestionGroup.oHousenumberQuestion ) )
				{
					bHousenumberOk = true;
				}
				
				if( true === bZipcodeOk && true === bHousenumberOk )
				{
					// Set street, city, etc if possible; 
					// set proper classnames (no error)
					document.getElementById( 'dai_q_'+ oLgQuestionGroup.oZipcodeQuestion.iId +'_row').className = this.sDefaultRowClassName;
					document.getElementById( 'dai_q_'+ oLgQuestionGroup.oHousenumberQuestion.iId +'_row').className = this.sDefaultRowClassName;
					
					// Use our core zipcode check to validate the given data
					var goCoreAjax = new coreAjax();
					var sUrl = '/ajax/checkZipCode/?zipcode='+ oLgQuestionGroup.oZipcodeQuestion.aHtmlObjects[ 0 ].value +'&zipcode_additive='+ oLgQuestionGroup.oZipcodeQuestion.aHtmlObjects[ 1 ].value +'&homenumber='+ oLgQuestionGroup.oHousenumberQuestion.aHtmlObjects[ 0 ].value +'&country_id=121';

					goCoreAjax.bUseXRequestedWithHeader = true;
					goCoreAjax.setShowErrorMessage(true);
					
					var sResponse = goCoreAjax.requestGetTextSynchrone(sUrl);
					
					if( sResponse !== 'invalid' || sResponse !== 'not found' )
					{
						var aResponse = sResponse.split( '|' );
						
						if( aResponse[ 0 ] && aResponse[ 1 ] )
						{
							// Set these values to their corresponding questions
							if( oLgQuestionGroup.oStreetnameQuestion )
							{
								oLgQuestionGroup.oStreetnameQuestion.aHtmlObjects[ 0 ].value = aResponse[ 0 ];
							}
							
							if( oLgQuestionGroup.oCityQuestion )
							{
								oLgQuestionGroup.oCityQuestion.aHtmlObjects[ 0 ].value = aResponse[ 1 ];
							}
						}
						else
						{
							this.setInvalidAddress( oLgQuestionGroup );
						}
					}
					else
					{
						this.setInvalidAddress( oLgQuestionGroup );
					}
				}
				else
				{
					this.setInvalidAddress( oLgQuestionGroup );
				}
			}
		break;
		
		case 'be':
		default:
			return true;
		break;
	}
}

LgValidator.prototype.setInvalidAddress	=	function( oLgQuestionGroup )
{
	// Set error class for zipcode and housenumber
	document.getElementById( 'dai_q_'+ oLgQuestionGroup.oZipcodeQuestion.iId +'_row').className = this.sErrorRowClassName;
	document.getElementById( 'dai_q_'+ oLgQuestionGroup.oHousenumberQuestion.iId +'_row').className = this.sErrorRowClassName;

	// Reset streetname and city question
	if( null !== oLgQuestionGroup.oStreetnameQuestion )
	{
		this.resetQuestion( oLgQuestionGroup.oStreetnameQuestion );
	}
	
	if( null !== oLgQuestionGroup.oCityQuestion )
	{
		this.resetQuestion( oLgQuestionGroup.oCityQuestion );
	}
}

LgValidator.prototype.isValid	=	function()
{
	var sReturnMessage = new String();
	this.bIsValid = true;
	
	// We start off this validation by checking each single (required) question
	for( pPointer in this.aQuestions )
	{
		var bIsValidQuestion = this.isValidQuestion( this.aQuestions[ pPointer ] );
		
		if( false === bIsValidQuestion )
		{
			this.bIsValid = false;
		}
		document.getElementById( 'dai_q_'+ this.aQuestions[ pPointer ].iId +'_row').className = ( true === bIsValidQuestion ? this.sDefaultRowClassName : this.sErrorRowClassName );
	}
	
	// Followed by group question validation (which is all about the NL zipcode check, really)
	for( pPointer in this.aQuestionGroups )
	{
		var bIsValidQuestionGroup = this.isValidQuestionGroup( this.aQuestionGroups[ pPointer ] );
		
		if( false === bIsValidQuestionGroup )
		{
			this.bIsValid = false;
		}
	}
	
	if( true === this.bIsValid )
	{
		return true;
	}
	else
	{
		alert('U heeft niet alle vragen correct ingevuld.\n\nVul de ingevulde gegevens in of aan waar nodig en klik op verstuur om verder te gaan.');
		return false;
	}
}

LgValidator.prototype.isValidQuestion	=	function( oLgQuestion )
{
	var bIsValidQuestion = false;
	
	// If the question if required, we'll check the data in the input(s)
	if( true === oLgQuestion.bIsRequired )
	{
		if( 1 === oLgQuestion.aHtmlObjects.length )
		{
			switch( oLgQuestion.aHtmlObjects[0].type )
			{
				case 'radio':
				case 'checkbox':
					bIsValidQuestion = ( true === oLgQuestion.aHtmlObjects[0].checked );
				break;
				
				case 'select-multiple':
					for( var pOptionPointer = 0; pOptionPointer < oLgQuestion.aHtmlObjects[0].options.length; pOptionPointer++ )
					{
						if( oLgQuestion.aHtmlObjects[0].options[ pOptionPointer ].selected )
						{
							bIsValidQuestion = true;
						}
					}
				break;
				
				default:
					bIsValidQuestion = ( '' !== this.trimString( oLgQuestion.aHtmlObjects[0].value ) );
				break;
			}
			
			// If the question is already validated as invalid, return.
			if( false === bIsValidQuestion )
			{
				return bIsValidQuestion
			}
		}
		else // more than one html object refers to radios, checkboxes or special fields like housenumber and addition.
		{
			switch( oLgQuestion.aHtmlObjects[0].type )
			{
				case 'radio':
					for( pHtmlObjPointer in oLgQuestion.aHtmlObjects )
					{
						if( oLgQuestion.aHtmlObjects[ pHtmlObjPointer ].checked )
						{
							bIsValidQuestion = true;
						}
					}
					
					// If no radio is checked, it's already considered invalid. Let's return false right away.
					if( false === bIsValidQuestion )
					{
						return bIsValidQuestion;
					}
				break;
				
				case 'checkbox':
					var iCheckedAnswers = 0;

					for( pHtmlObjPointer in oLgQuestion.aHtmlObjects )
					{
						if( oLgQuestion.aHtmlObjects[ pHtmlObjPointer ].checked )
						{
							iCheckedAnswers++;
						}
					}
					
					// Slightly more advanced check for checkboxes; we're taking in account that there might be a minimum OR maximum number of items that may be checked.
					if( 0 === iCheckedAnswers || ( 0!== oLgQuestion.iMin && iCheckedAnswers < oLgQuestion.iMin ) || ( 0 !== oLgQuestion.iMax && iCheckedAnswers > oLgQuestion.iMax ) )
					{
						return bIsValidQuestion;
					}
					else
					{
						bIsValidQuestion = true;
					}
				break;
				
				case 'text':
					var iFilledObjects = 0;
					
					for( pHtmlObjectPointer in oLgQuestion.aHtmlObjects)
					{
						if( '' !== this.trimString( oLgQuestion.aHtmlObjects[ pHtmlObjectPointer ].value ) )
						{
							iFilledObjects++;
						}
					}
				
					// Fix for required housenumber and addition where housenumber is required but addition isnt.
					if( 16 === oLgQuestion.iDataNameId && ( oLgQuestion.aHtmlObjects[ 1 ] && '' === this.trimString( oLgQuestion.aHtmlObjects[ 1 ].value ) ) )
					{
						iFilledObjects++;
					}
					
					// Fix for required zipcode where zipcode letters arent required (country = be).
					if( 17 === oLgQuestion.iDataNameId && ( oLgQuestion.aHtmlObjects[ 1 ] && '' === this.trimString( oLgQuestion.aHtmlObjects[ 1 ].value ) && 'be' === this.sCurrentCountry ) )
					{
						iFilledObjects++;
					}
					
					if( iFilledObjects < oLgQuestion.aHtmlObjects.length )
					{
						return bIsValidQuestion;
					}
					else
					{
						bIsValidQuestion = true;
					}
				break;
			}
		}
	}
	
	// Questions with extra html objects (checkboxes or radios) have an additional check: if the base object is checked,
	// the extra object has to have a value as well.
	for( pHtmlObjectPointer in oLgQuestion.aHtmlObjects )
	{
		if( 'undefined' !== typeof( oLgQuestion.aExtraHtmlObjects[ pHtmlObjectPointer ] ) && null !== oLgQuestion.aExtraHtmlObjects[ pHtmlObjectPointer ] )
		{
			if( oLgQuestion.aHtmlObjects[ pHtmlObjectPointer ].checked && '' === this.trimString( oLgQuestion.aExtraHtmlObjects[ pHtmlObjectPointer ].value ) )
			{
				return bIsValidQuestion = false;
			}
		}
	}

	// Required or not, if this question has value(s), it'll be validated by the given validation function
	if( 'function' !== typeof( oLgQuestion.sValidationFunction ) )
	{
		alert( oLgQuestion.iId );
		return false;
	}
	bIsValidQuestion = oLgQuestion.sValidationFunction( this, oLgQuestion );

	return bIsValidQuestion;
}

LgValidator.prototype.isValidQuestionGroup	=	function( oLgQuestionGroup )
{
	switch( oLgQuestionGroup.sType )
	{
		case 'full_address':
			// @todo we might want to extend this function
			return this.validateAddress( oLgQuestionGroup, false );
		break;
		
		default:
			return true;
		break;
	}
}
 
LgValidator.prototype.trimString	=	function( sString )
{
	var oString = new String( sString );
	return oString.replace(/^\s+|\s+$/g,"");
}

LgValidator.prototype.isValidValueByCharset	=	function( sValue, sCharset )
{
	var iValueLength = sValue.length;

	if( 0 === iValueLength )
	{
		return false;
	}
	
	for( var p = 0; p < iValueLength; p++)
	{
		if( sCharset.indexOf( sValue.substr( p, 1 ) ) < 0 )
		{
			return false;
		}
	}
	
	return true;
}

LgValidator.prototype.getValues	=	function( oLgQuestion )
{
	var sValue = new String();
	
	for( pHtmObjectPointer in oLgQuestion.aHtmlObjects )
	{
		sValue += oLgQuestion.aHtmlObjects[ pHtmObjectPointer ].value;
	}
	
	return sValue;
}

LgValidator.prototype.validateSmsCode	=	function( oValidator, oLgQuestion )
{
	oSmsCodeHelper.checkCode( oLgQuestion.aHtmlObjects[ 0 ].value );
	return oSmsCodeHelper.isValid();
}

LgValidator.prototype.validateNumber	=	function( oValidator, oLgQuestion )
{
	if( '' !== oValidator.trimString( oLgQuestion.aHtmlObjects[ 0 ].value ) )
	{
		// Number validation is required only for <input type="text"> and textarea fields
		if( 5 === oLgQuestion.iInputTypeId || 1 === oLgQuestion.iInputTypeId )
		{
			// Basicly, a number is invalid only if not empty, less than or more than the minimum or maximum value or if it consits of characters.
			if( '' !== oValidator.trimString( oLgQuestion.aHtmlObjects[ 0 ].value ) )
			{
				if( 0 !== oLgQuestion.iMin || 0 !== oLgQuestion.iMax )
				{
					if( true === oValidator.isValidValueByCharset( oLgQuestion.aHtmlObjects[ 0 ].value, '0123456789,.' ) )
					{
					 	if( oLgQuestion.aHtmlObjects[ 0 ].value < oLgQuestion.iMin || oLgQuestion.aHtmlObjects[ 0 ].value > oLgQuestion.iMax )
						{
							return false;
						}
					}
				}
			}
		}
	}
	return true;
}

LgValidator.prototype.validateCurrency	=	function( oValidator, oLgQuestion )
{
	// Until we have a proper currency validation, validate this by using this.validateNumber()
	return this.validateNumber( oLgQuestion );
}

LgValidator.prototype.validateString	=	function( oValidator, oLgQuestion )
{
	if( '' !== oValidator.trimString( oLgQuestion.aHtmlObjects[ 0 ].value ) )
	{
		// A string (text) is invalid only if shorter than the given minimum value or longer than the maximum value of the question.
		// This check goes for <input type="text"> and <textarea> fields only; other fields have set values (ie select, select-multi, checkbox)
		if( 5 ===  oLgQuestion.iInputTypeId || 1 === oLgQuestion.iInputTypeId )
		{
			if( 0 !== oLgQuestion.iMin || 0 !== oLgQuestion.iMax )
			{
				if( ( oLgQuestion.aHtmlObjects[ 0 ].value.length < oLgQuestion.iMin ) || ( oLgQuestion.aHtmlObjects[ 0 ].value.length > oLgQuestion.iMax ) )
				{
					return false;
				}
			}
		}
	}
	return true;
}

LgValidator.prototype.validateDate	=	function( oValidator, oLgQuestion )
{
	var sDate = new String();
	
	// Date validation in JS is no longer needed.
	for( pHtmlObjectPointer in oLgQuestion.aHtmlObjects )
	{
		sDate += oLgQuestion.aHtmlObjects[ pHtmlObjectPointer ].value;
	}
	
	if( sDate.indexOf( 'dd' ) !== -1 || sDate.indexOf( 'mm' ) !== -1 || sDate.indexOf( 'jjjj' ) !== -1 )
	{
		return false;
	}
	return true;
}

LgValidator.prototype.validateEmailaddress	=	function( oValidator, oLgQuestion )
{
	if( '' !== oValidator.trimString( oLgQuestion.aHtmlObjects[ 0 ].value ) )
	{
		var sEmailAddress = new String( oLgQuestion.aHtmlObjects[ 0 ].value );
		var sEmailAddressFilter = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z]{2,4})+$/
	 
		return sEmailAddressFilter.test( sEmailAddress );
	}
	return true;
}

LgValidator.prototype.validatePhonenumber	=	function( oValidator, oLgQuestion )
{
	var sPhonenumber = new String();
	
	for( pHtmlObjectPointer in oLgQuestion.aHtmlObjects )
	{
		sPhonenumber += oLgQuestion.aHtmlObjects[ pHtmlObjectPointer ].value;
	}
	
	if( '' === oValidator.trimString( sPhonenumber ) )
	{
		return true;
	}
	
	switch( oValidator.sCurrentCountry )
	{
		case 'be':
			var sFilter = /^0[1-9]{7,8}$/
		break;
		
		case 'nl':
			var sFilter = /^[0-9]{10,13}$/
		break;
		
		default:
			return true;
		break;
	}
	
	return sFilter.test( sPhonenumber );
}

LgValidator.prototype.validateMobilephonenumber	=	function( oValidator, oLgQuestion )
{
	return oValidator.validatePhonenumber( oValidator, oLgQuestion );
}

LgValidator.prototype.validateAccountnumber	=	function( oValidator, oLgQuestion )
{
	var sValue = new String(oLgQuestion.aHtmlObjects[ 0 ].value.toUpperCase());
 	sValue = sValue.replace(new RegExp("-|\\s|\\.", "gi"), '')
	
	switch( oValidator.sCurrentCountry )
	{
		// @todo Properly test Belgium bank accounts
		case 'be':
			oLgQuestion.aHtmlObjects[ 0 ].value = sValue;
			
			var sFirstTenChars = sValue.substr( 0, 10 );
			var sLastTwoChars = sValue.substr( 10, ( sValue.length - 2 ) );
			
			if( parseInt( sLastTwoChars ) === ( sFirstTenChars - ( Math.floor( sFirstTenChars / 97 ) * 97 ) ) )
			{
				return true;
			}
		break;
		
		case 'nl':
			sValue = sValue.toLowerCase();
			sValue = sValue.replace( new RegExp("p", "gi"), '');
			
			if( 9 === sValue.length )
	 		{
	 			  sValue = sValue.replace(/\D/g,'');
				  aValue = sValue.split('');
				  
				  var iCheck = 0;
				  
				  for(var i = 0; i < 9; i++)
				  {
						iCheck += (9 - i) * aValue[i];
				  }
				  
				  oLgQuestion.aHtmlObjects[ 0 ].value = sValue;
				  return (iCheck % 11 == 0);
	 		}
	 		else
	 		{
	 			sValue = sValue.replace('P', '');
	 			oLgQuestion.aHtmlObjects[ 0 ].value = sValue;
	 			
	 			if( sValue.length >= 3 && sValue.length <= 7 )
	 			{
	 				var aInvalids = new Array();
	 					aInvalids[aInvalids.length++] = '1234567';
	 					aInvalids[aInvalids.length++] = '7654321';
	 					aInvalids[aInvalids.length++] = '1111111';
	 					aInvalids[aInvalids.length++] = '2222222';
	 					aInvalids[aInvalids.length++] = '3333333';
	 					aInvalids[aInvalids.length++] = '4444444';
	 					aInvalids[aInvalids.length++] = '5555555';
	 					aInvalids[aInvalids.length++] = '6666666';
	 					aInvalids[aInvalids.length++] = '8888888';
	 					aInvalids[aInvalids.length++] = '9999999';
	 					aInvalids[aInvalids.length++] = '0000000';
	 				
	 				for( i =  0; i < aInvalids.length; i++ )
	 				{
	 					sCurrent = aInvalids[i].substring( 0, sValue.length);
	 					
	 					if( sValue === sCurrent )
	 					{
	 						return false;
	 					}
	 				}
					return true;
	 			}
	 			else
	 			{
	 				return false;
	 			}
	 		}
		break;
		
		default:
			return true;
		break;
	}
	
	return false;
}

LgValidator.prototype.validateZipcode	=	function( oValidator, oLgQuestion )
{
	var bValidNumbers = false;
	var bValidLetters = false;
	
	switch( oValidator.sCurrentCountry )
	{
		case 'be':
			bValidNumbers = ( ( 4 === oLgQuestion.aHtmlObjects[ 0 ].value.length ) && oValidator.isValidValueByCharset( oLgQuestion.aHtmlObjects[ 0 ].value, '0123456789' ) );
			bValidLetters = true;
		break;
		
		case 'nl':
			bValidNumbers = ( ( 4 === oLgQuestion.aHtmlObjects[ 0 ].value.length ) && oValidator.isValidValueByCharset( oLgQuestion.aHtmlObjects[ 0 ].value, '0123456789' ) );
			bValidLetters = ( ( 2 === oLgQuestion.aHtmlObjects[ 1 ].value.length ) && oValidator.isValidValueByCharset( oLgQuestion.aHtmlObjects[ 1 ].value.toUpperCase(), 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' ) );;
		break;
		
		default:
			return true;
		break;
	}
	
	return ( true === bValidNumbers && true === bValidLetters );
}

LgValidator.prototype.validateHousenumber	=	function( oValidator, oLgQuestion )
{
	return oValidator.isValidValueByCharset( oLgQuestion.aHtmlObjects[ 0 ].value, '0123456789' );
}

LgValidator.prototype.validateNothing	=	function( oValidator, oLgQuestion )
{
	// Dummy function for code consistency; always returns true.
	return true;
}

/** Compatibility fncs */
LgValidator.prototype.dai_validate_string	=	function( oValidator, oLgQuestion )
{
	return oValidator.validateString( oValidator, oLgQuestion );
}
LgValidator.prototype.dai_validate_number	=	function( oValidator, oLgQuestion )
{
	return oValidator.validateNumber( oValidator, oLgQuestion );
}
LgValidator.prototype.dai_validate_date	=	function( oValidator, oLgQuestion )
{
	return oValidator.validateDate( oValidator, oLgQuestion );
}
LgValidator.prototype.dai_validate_bank_account_number	=	function( oValidator, oLgQuestion )
{
	return oValidator.validateAccountnumber( oValidator, oLgQuestion );
}
LgValidator.prototype.dai_validate_postalcode	=	function( oValidator, oLgQuestion )
{
	return oValidator.validateZipcode( oValidator, oLgQuestion );
}
LgValidator.prototype.dai_validate_nothing	=	function( oValidator, oLgQuestion )
{
	return oValidator.validateNothing( oValidator, oLgQuestion );
}
LgValidator.prototype.dai_validate_currency	=	function( oValidator, oLgQuestion )
{
	return oValidator.validateCurrency( oValidator, oLgQuestion );
}
LgValidator.prototype.dai_validate_emailaddress	=	function( oValidator, oLgQuestion )
{
	return oValidator.validateEmailaddress( oValidator, oLgQuestion );
}
LgValidator.prototype.dai_validate_mobilephone	=	function( oValidator, oLgQuestion )
{
	return oValidator.validateMobilephonenumber( oValidator, oLgQuestion );
}
LgValidator.prototype.dai_validate_housenumber	=	function( oValidator, oLgQuestion )
{
	return oValidator.validateHousenumber( oValidator, oLgQuestion );
}
LgValidator.prototype.dai_validate_housephone	=	function( oValidator, oLgQuestion )
{
	return oValidator.validatePhonenumber( oValidator, oLgQuestion );
}


function LgQuestion( iId, bIsRequired, iMin, iMax, iDataTypeId, iDataNameId, iInputTypeId, sValidationFunction, oHtmlObj, oExtraHtmlObj, iGroupId )
{
	this.iId					=	iId;
	this.iMin					=	iMin;
	this.iMax					=	iMax;
	this.iDataTypeId			=	iDataTypeId;
	this.iDataNameId			=	iDataNameId;
	this.iInputTypeId			=	iInputTypeId;
	this.iGroupId				=	iGroupId;
	this.bIsRequired			=	bIsRequired;
	this.bHasExtraInputs		=	false;
	this.sValidationFunction	=	sValidationFunction;
	
	this.aHtmlObjects			=	new Array();
	this.aExtraHtmlObjects		=	new Array();
	
}

LgQuestion.prototype.addHtmlObject	=	function( oHtmlObject, bIsExtraHtmlObject )
{
	if( 'undefined' === typeof( bIsExtraHtmlObject ) )
	{
		bIsExtraHtmlObject = false;
	}
	
	if( false === bIsExtraHtmlObject )
	{
		this.aHtmlObjects[ this.aHtmlObjects.length ] = oHtmlObject;
	}
	else
	{
		this.aExtraHtmlObjects[ this.aExtraHtmlObjects.length ] = oHtmlObject;
		this.bHasExtraInputs = true;
		
		/* @todo the functions for onclick,keyup,etc for clicks / tabindexes for questions w/ extra inputs are still missing */
	}
}


function LgQuestionGroup( iId, sName, sType )
{
	this.iId					=	iId;
	this.sName					=	sName;
	this.sType					=	sType;
	
	this.bHasFullAddressData	=	( 'full_address' === this.sType ? true : false);
	this.bHasCountrySelection	=	false;
	
	this.oZipcodeQuestion		=	null;
	this.oHousenumberQuestion	=	null;
	this.oStreetnameQuestion	=	null;
	this.oCityQuestion			=	null;
	this.oCountryQuestion		=	null;
	
	this.aQuestions	=	new Array();
	
}

LgQuestionGroup.prototype.addQuestion	=	function( oLgQuestion )
{
	this.aQuestions[ this.aQuestions.length ] = oLgQuestion;
	
	/* If the question belongs to a group and is in the set of "address" questions,
	 * make it easily accessible
	 */
	
	// zipcode
	if( 5 === oLgQuestion.iDataTypeId )
	{
		this.oZipcodeQuestion = oLgQuestion;
	}
	
	// housenumber and addition
	if( 10 === oLgQuestion.iDataTypeId )
	{
		this.oHousenumberQuestion = oLgQuestion;
	}
	
	// streetname
	if( 15 === oLgQuestion.iDataNameId )
	{
		this.oStreetnameQuestion = oLgQuestion;
	}
	
	// city
	if( 18 === oLgQuestion.iDataNameId )
	{
		this.oCityQuestion = oLgQuestion;
	}
	
	// country
	if( 152 === oLgQuestion.iDataNameId )
	{
		this.oCountryQuestion = oLgQuestion;
		this.bHasCountrySelection = true;
	}
	
}

/* compat. function */

function dai_pop( sUrl, sName, sOptions )
{
	window.open( sUrl, sName, sOptions );
	return;
}