function Validator(frmname,displayElement)
{
  	this.formobj=document.forms[frmname];
	if(!this.formobj)
	{
	  alert("BUG: couldnot get Form object "+frmname);
		return;
	}
	if(this.formobj.onsubmit)
	{
	 this.formobj.old_onsubmit = this.formobj.onsubmit;
	 this.formobj.onsubmit=null;
	}
	else
	{
	 this.formobj.old_onsubmit = null;
	}
	this.formobj.onsubmit=form_submit_handler;
	this.addValidation = add_validation;
	this.setAddnlValidationFunction=set_addnl_vfunction;
	this.clearAllValidations = clear_all_validations;	
}

function showError(error){
	document.getElementById('error_border').className = 'error_msg';
	document.getElementById('error').innerHTML = error;
}

function set_addnl_vfunction(functionname)
{
	this.formobj.addnlvalidation = functionname;
}
function clear_all_validations()
{
	for(var itr=0;itr < this.formobj.elements.length;itr++)
	{
		this.formobj.elements[itr].validationset = null;
	}
}
function form_submit_handler()
{
	for(var itr=0;itr < this.elements.length;itr++)
	{
		if(this.elements[itr].validationset &&
	   !this.elements[itr].validationset.validate())
		{
		  return false;
		}
	}
	if(this.addnlvalidation)
	{
	  str =" var ret = "+this.addnlvalidation+"()";
	  eval(str);
    if(!ret) return ret;
	}
	return true;
}
function add_validation(itemname,descriptor,errstr)
{
  if(!this.formobj)
	{
	  alert("BUG: the form object is not set properly");
		return;
	}//if
	var itemobj = this.formobj[itemname];
  if(!itemobj)
	{
	  alert("BUG: Couldnot get the input object named: "+itemname);
		return;
	}
	if(!itemobj.validationset)
	{
	  itemobj.validationset = new ValidationSet(itemobj);
	}
  itemobj.validationset.add(descriptor,errstr);
}
function ValidationDesc(inputitem,desc,error)
{
  this.desc=desc;
	this.error=error;
	this.itemobj = inputitem;
	this.validate=vdesc_validate;
}
function vdesc_validate()
{
 if(!V2validateData(this.desc,this.itemobj,this.error))
 {
    this.itemobj.focus();
		return false;
 }
 return true;
}
function ValidationSet(inputitem)
{
    this.vSet=new Array();
	this.add= add_validationdesc;
	this.validate= vset_validate;
	this.itemobj = inputitem;
}
function add_validationdesc(desc,error)
{
  this.vSet[this.vSet.length]= 
	  new ValidationDesc(this.itemobj,desc,error);
}
function vset_validate()
{
   for(var itr=0;itr<this.vSet.length;itr++)
	 {
	   if(!this.vSet[itr].validate())
		 {
		   return false;
		 }
	 }
	 return true;
}
function validateEmailv2(email)
{
// a very simple email validation checking. 
// you can add more complex email checking if it helps 
    if(email.length <= 0)
	{
	  return true;
	}
    var splitted = email.match("^(.+)@(.+)$");
    if(splitted == null) return false;
    if(splitted[1] != null )
    {
      var regexp_user=/^\"?[\w-_\.]*\"?$/;
      if(splitted[1].match(regexp_user) == null) return false;
    }
    if(splitted[2] != null)
    {
      var regexp_domain=/^[\w-\.]*\.[A-Za-z]{2,4}$/;
      if(splitted[2].match(regexp_domain) == null) 
      {
	    var regexp_ip =/^\[\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\]$/;
	    if(splitted[2].match(regexp_ip) == null) return false;
      }// if
      return true;
    }
return false;
}
function V2validateData(strValidateStr,objValue,strError) 
{ 
    var epos = strValidateStr.search("="); 
    var  command  = ""; 
    var  cmdvalue = ""; 
    if(epos >= 0) 
    { 
     command  = strValidateStr.substring(0,epos); 
     cmdvalue = strValidateStr.substr(epos+1); 
    } 
    else 
    { 
     command = strValidateStr; 
    } 
    switch(command) 
    { 
        case "req": 
        case "required": 
         { 
           if(eval(objValue.value.length) == 0) 
           { 
              if(!strError || strError.length ==0) 
              { 
                strError = objValue.name + " : Required Field"; 
              }//if 
              showError(strError); 
              return false; 
           }//if 
           break;             
         }//case required 
        case "maxlength": 
        case "maxlen": 
          { 
             if(eval(objValue.value.length) >  eval(cmdvalue)) 
             { 
               if(!strError || strError.length ==0) 
               { 
                 strError = objValue.name + " : "+cmdvalue+" characters maximum "; 
               }//if 
               showError(strError + "\n[Current length = " + objValue.value.length + " ]"); 
               return false; 
             }//if 
             break; 
          }//case maxlen 
        case "minlength": 
        case "minlen": 
           { 
             if(eval(objValue.value.length) <  eval(cmdvalue)) 
             { 
               if(!strError || strError.length ==0) 
               { 
                 strError = objValue.name + " : " + cmdvalue + " characters minimum  "; 
               }//if               
               showError(strError + "\n[Current length = " + objValue.value.length + " ]"); 
               return false;                 
             }//if 
             break; 
            }//case minlen 
        case "alnum": 
        case "alphanumeric": 
           { 
              var charpos = objValue.value.search("[^A-Za-z0-9]"); 
              if(objValue.value.length > 0 &&  charpos >= 0) 
              { 
               if(!strError || strError.length ==0) 
                { 
                  strError = objValue.name+": Only alpha-numeric characters allowed "; 
                }//if 
                showError(strError); 
                return false; 
              }//if 
              break; 
           }//case alphanumeric 
        case "num": 
        case "numeric": 
           { 
              var charpos = objValue.value.search("[^0-9]"); 
              if(objValue.value.length > 0 &&  charpos >= 0) 
              { 
                if(!strError || strError.length ==0) 
                { 
                  strError = objValue.name+": Only digits allowed "; 
                }//if               
                showError(strError); 
                return false; 
              }//if 
              break;               
           }//numeric 
        case "alphabetic": 
        case "alpha": 
           { 
              var charpos = objValue.value.search("[^A-Za-z]"); 
              if(objValue.value.length > 0 &&  charpos >= 0) 
              { 
                  if(!strError || strError.length ==0) 
                { 
                  strError = objValue.name+": Only alphabetic characters allowed "; 
                }//if                             
                showError(strError); 
                return false; 
              }//if 
              break; 
           }//alpha 
		case "alnumhyphen":
			{
              var charpos = objValue.value.search("[^A-Za-z0-9\-_]"); 
              if(objValue.value.length > 0 &&  charpos >= 0) 
              { 
                  if(!strError || strError.length ==0) 
                { 
                  strError = objValue.name+": characters allowed are A-Z,a-z,0-9,- and _"; 
                }//if                             
                showError(strError); 
                return false; 
              }//if 			
			break;
			}
        case "email": 
          { 
               if(!validateEmailv2(objValue.value)) 
               { 
                 if(!strError || strError.length ==0) 
                 { 
                    strError = objValue.name+": Enter a valid Email address "; 
                 }//if                                               
                 showError(strError); 
                 return false; 
               }//if 
           break; 
          }//case email 
        case "lt": 
        case "lessthan": 
         { 
            if(isNaN(objValue.value)) 
            { 
              showError(objValue.name+": Should be a number "); 
              return false; 
            }//if 
            if(eval(objValue.value) >=  eval(cmdvalue)) 
            { 
              if(!strError || strError.length ==0) 
              { 
                strError = objValue.name + " : value should be less than "+ cmdvalue; 
              }//if               
              showError(strError); 
              return false;                 
             }//if             
            break; 
         }//case lessthan 
        case "gt": 
        case "greaterthan": 
         { 
            if(isNaN(objValue.value)) 
            { 
              showError(objValue.name+": Should be a number "); 
              return false; 
            }//if 
             if(eval(objValue.value) <=  eval(cmdvalue)) 
             { 
               if(!strError || strError.length ==0) 
               { 
                 strError = objValue.name + " : value should be greater than "+ cmdvalue; 
               }//if               
               showError(strError); 
               return false;                 
             }//if             
            break; 
         }//case greaterthan 
        case "regexp": 
         { 
		 	if(objValue.value.length > 0)
			{
	            if(!objValue.value.match(cmdvalue)) 
	            { 
	              if(!strError || strError.length ==0) 
	              { 
	                strError = objValue.name+": Invalid characters found "; 
	              }//if                                                               
	              showError(strError); 
	              return false;                   
	            }//if 
			}
           break; 
         }//case regexp 
        case "dontselect": 
         { 
            if(objValue.selectedIndex == null) 
            { 
              alert("BUG: dontselect command for non-select Item"); 
              return false; 
            } 
            if(objValue.selectedIndex == eval(cmdvalue)) 
            { 
             if(!strError || strError.length ==0) 
              { 
              strError = objValue.name+": Please Select one option "; 
              }//if                                                               
              showError(strError); 
              return false;                                   
             } 
             break; 
         }//case dontselect 
    }//switch 
    return true; 
}

function validatePassword(){
  	var pass1 = document.getElementById('pass1');		
  	var pass2 = document.getElementById('pass2');
  	if(pass1.value == '' && pass2.value == ''){
  		showError("Proszę uzupełnić pole 'Hasło'");
  		pass1.focus();	
  		return false;
  	}
  	if(pass1.value != pass2.value){
  		showError('Podane hasła nie są identyczne.');	
  		pass1.focus();
  		return false;
  	}
  	return true;
}

function validateMail(){
  	var pass1 = document.getElementById('mail1');		
  	var pass2 = document.getElementById('mail2');
  	if(pass1.value == '' && pass2.value == ''){
  		showError("Proszę uzupełnić pole 'e-mail'");
  		pass1.focus();	
  		return false;
  	}
  	if(pass1.value != pass2.value){
  		showError('Podane e-maila nie są identyczne.');	
  		pass1.focus();
  		return false;
  	}
  	return true;
}

function validateCompany(){
	var cb = document.getElementById('cb_company');
	if(cb.checked){
		var company_name = document.getElementById('company_name');
		if(company_name.value == ''){
			showError('Proszę podać nazwę firmy');
			company_name.focus();
			return false;
		}
		var nip = document.getElementById('nip');
		var nipS = nip.value;
		var reg = nipS.match('^[0-9]{3}-[0-9]{3}-[0-9]{2}-[0-9]{2}$');
		if(reg == null){
			showError('Podany NIP nie jest poprawny.');
			nip.focus();
			return false;
		}
	}
	return true;
}

function validatePhones(){
	var cell_phone = document.getElementById('cell_phone');
	var phone = document.getElementById('phone');
	if(cell_phone.value == '' && phone.value == ''){
		showError('Proszę podać przynajmniej jeden numer telefonu.');
		phone.focus();
		return false;
	}
	if(phone.value != ''){
		var reg = phone.value.match('^[0-9]{3}-[0-9]{7}$');
		if(reg == null){
			showError('Telefon stacjonarny nie jest wpisany poprawnie.');
			phone.focus();
			return false;
		}
	}
	if(cell_phone.value != ''){
		var reg = cell_phone.value.match('^[0-9]{4}-[0-9]{6}$');
		if(reg == null){
			showError('Telefon komórkowy nie jest wpisany poprawnie.');
			cell_phone.focus();
			return false;
		}
	}
	return true;
}

function validateAgreement(){
	var agreement = document.getElementById('cb_agreement');
	if(!agreement.checked){
		showError('Proszę wyrazić zgodę na przetwarzanie danych osobowych.');
		agreement.focus();
		return false;	
	}
	return true;
}

function validateRegistration(){
	return validatePassword() && validatePhones() && validateAgreement();
}

function validateAddAdv(){
	var combo = document.getElementById('category');
	if(combo.selectedIndex != 0){
		var comboToShow = combo.options[combo.selectedIndex].value;
		var x = document.getElementById(comboToShow+'');
		if(x.length > 1 && x.selectedIndex == 0){
			showError('Proszę wybrać podkategorię.');
			return false;
		}
  	}else{
  		showError('Proszę wybrać kategorię.');
		return false;
  	}
}

function validateReservedTime(idErrorElement){
	var errorElement = document.getElementById(idErrorElement);
	var errorBorder = document.getElementById(idErrorElement + '_border');
	errorBorder.className = '';
	errorElement.innerHTML = '';
	var name = document.getElementById('name_msg');
	var lastName = document.getElementById('lastname_msg');
	var phone = document.getElementById('phone_msg');
	var address = document.getElementById('address_msg');
	var message = document.getElementById('message');
	if(name.value.length == 0){
		errorBorder.className = 'error_msg';
		errorElement.innerHTML = 'Podaj swoje imię.';
		name.focus();
		return false;
	}
	
	if(lastName.value.length == 0){
		errorBorder.className = 'error_msg';
		errorElement.innerHTML = 'Podaj swoje nazwisko.';
		lastName.focus();
		return false;
	}
	
	if(address.value.length == 0){
		errorBorder.className = 'error_msg';
		errorElement.innerHTML = 'Podaj adres.';
		address.focus();
		return false;	
	}
		
	return true;
}

function validateAdminMessage(idErrorElement){
	var errorElement = document.getElementById(idErrorElement);
	var errorBorder = document.getElementById(idErrorElement + '_border');
	errorBorder.className = '';
	var name = document.getElementById('name_msg_admin');
	var email = document.getElementById('email_msg_admin');
	var message = document.getElementById('message_content');
	
	if(name.value.length == 0){
		errorBorder.className = 'error_msg';
		errorElement.innerHTML = 'Podaj swoje imię.';
		name.focus();
		return false;
	}
	
	var filter  = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
	if (!filter.test(email.value)){
		errorBorder.className = 'error_msg';
		errorElement.innerHTML = 'Podaj poprawny adres email.';
		email.focus();
		return false;
	}
	
	if(message.value.length == 0){
		errorBorder.className = 'error_msg';
		errorElement.innerHTML = 'Wpisz treść wiadomości.';
		message.focus();
		return false;
	}
		
	return true;
}

function validateLoginSelected(){
	var errorElement = document.getElementById('error_load_amount');
	var err = document.getElementById('error1');
	var loginSelected = document.getElementById('login');
	if(loginSelected.selectedIndex == 0){
		errorElement.style.display = 'block';
		err.innerHTML = 'Proszę wybierz użytkownika do doładowania.';
		return false;	
	}
	var loadAmount = document.getElementById('load_amount');
	if(loadAmount.value.length == 0){
		errorElement.style.display = 'block';
		err.innerHTML = 'Proszę podaj kwotę o jaką chcesz doładować konto.';
		return false;
	}
	var filter =/^[0-9]*$/;
	if(!filter.test(loadAmount.value)){
		errorElement.style.display = 'block';
		err.innerHTML = 'Źle podana kwota do doładowania konta. (Przykład: 10)';
		return false;
	}
	return true;
}

function validateLoadAmount(){
	var errorElement = document.getElementById('error_load_amount');
	var err = document.getElementById('error1');
	var loadAmount = document.getElementById('load_amount');
	if(loadAmount.value.length == 0){
		errorElement.style.display = 'block';
		err.innerHTML = 'Proszę podaj kwotę o jaką chcesz doładować konto.';
		return false;
	}
	var filter =/^[0-9]*$/;
	if(!filter.test(loadAmount.value)){
		errorElement.style.display = 'block';
		err.innerHTML = 'Źle podana ilość żetonów do doładowania. (Przykład: 10)';
		return false;
	}
	return true;
	
}

function validateLoadAccount(){
	var tmp = false;
	var mbank = document.getElementById('MBANK');
	var multibank = document.getElementById('MULTIBANK');
	var bzwbk = document.getElementById('BZWBK');
	var nordea = document.getElementById('NORDEA');
	var inteligo = document.getElementById('INETLIGO');
	var bph = document.getElementById('BPH');
	var pko = document.getElementById('PKO');
	tmp = mbank.checked || multibank.checked || bzwbk.checked || nordea.checked || inteligo.checked || bph.checked || pko.checked;
	if(!tmp){
		document.getElementById('load_account_error').style.display = 'block';
	}else{
		var selectedPayType = 't';
		if(mbank.checked){
			selectedPayType = mbank.value;	
		}
		if(multibank.checked){
			selectedPayType = multibank.value;
		}
		if(bzwbk.checked){
			selectedPayType = bzwbk.value;
		}
		if(nordea.checked){
			selectedPayType = nordea.value;
		}
		if(inteligo.checked){
			selectedPayType = inteligo.value;
		}
		if(bph.checked){
			selectedPayType = bph.value;
		}
		if(pko.checked){
			selectedPayType = pko.value;
		}
		document.forms['payform'].pay_type.value = selectedPayType;
	}
	return tmp;
}

function validateInvoice(){
	var name = document.getElementById('name');
	var address = document.getElementById('address');
	var nip = document.getElementById('nip');
	var comments = document.getElementById('comments');
	var accept = document.getElementById('accept');
	
	if(name.value.length == 0 || address.value.length == 0 || 
		nip.value.length == 0 || comments.value.length == 0){
		document.getElementById('load_account_error').style.display = 'block';		
	}else{
		accept.click();
	}
	return false;
}

function validateNotifyFriend(){
	var name = document.getElementById("name_ntf");
	var email = document.getElementById("email_ntf");
	var errorElement = document.getElementById("error_ntf");
	var errorBorder = document.getElementById('error_ntf_border');
	if(name.value.length == 0){
		errorBorder.className = 'error_msg';
		errorElement.innerHTML = 'Podaj swoje imię.';
		name.focus();
		return false;
	}
	var filter  = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
	if (!filter.test(email.value)){
		errorBorder.className = 'error_msg';
		errorElement.innerHTML = 'Podaj poprawny adres email.';
		email.focus();
		return false;
	}
	return true;
}

function validateSearchForm(){
	var comboCity = document.getElementById('city_search');
	var comboCategory = document.getElementById('category_search');
	var errorElement = document.getElementById("error_search_form");
	var errorBorder = document.getElementById('error_search_border');
	
	if(comboCity.selectedIndex == 0 && comboCategory.selectedIndex == 0){
		errorBorder.className = 'error_msg';
		errorElement.innerHTML = 'Proszę wybrać miasto lub kategorię.';
		comboCity.focus();
		return false;
	}	
	if(comboCategory.selectedIndex != 0){
		var idSubCategory = comboCategory.options[comboCategory.selectedIndex].value+'_search';
		var comboSubCategory = document.getElementById(idSubCategory);
		if(comboSubCategory.selectedIndex == 0 && comboSubCategory.options.length > 1){
			errorBorder.className = 'error_msg';
			errorElement.innerHTML = 'Proszę wybrać podkategorię.';
			comboSubCategory.focus();
			return false;	
		}
	}
	return true;
}