function ValidateForm (currentTabId) {

  var errorMsg = '';
  
  var notFilledRequiredFields = CheckRequiredFields (currentTabId);
  var notValidFilledFieds = CheckFields (currentTabId);
  
  var translates = {
  'js_fill_required_fields' : 'Täytä seuraavat pakolliset kentät',
  'js_fill_valid_fields' : 'Virhe kentässä/kentissä'
  };   
  
  if (notFilledRequiredFields) { //Required
    errorMsg = translates.js_fill_required_fields + ":\n";
    errorMsg = errorMsg + notFilledRequiredFields.substr(0, notFilledRequiredFields.length - 2) + "\n\n";
  }

  if (notValidFilledFieds) {  //Valid
    errorMsg = errorMsg + translates.js_fill_valid_fields + ":\n";
    errorMsg = errorMsg + notValidFilledFieds.substr(0, notValidFilledFieds.length - 2) + "\n\n";
  }
  
  if (currentTabId == 'confirm') {
    if (!document.getElementById('id_confirm').checked) {
      alert (translates.js_contract_not_confirmed);
      return false;
    }
  }
  
  if (errorMsg) {
    alert (errorMsg);
    return false;
  }else{
    return true;
  }
}

function CheckRequiredFields (tabId) {
  var tab = document.getElementById(tabId);
  var errorFields = '';
  
  var elms = tab.getElementsByTagName("*");
  for(var i = 0, maxI = elms.length; i < maxI; ++i) {
    var elm = elms[i];
    if (IsVisible(elm)) {
      switch(elm.type) {
        case "text":
        case "textarea":
        case "hidden":
        case "select-one":        
        case "select-multiple":        
        case "password":        
        case "file":        
          if (elm.getAttribute('required') == 1 && elm.value == '') {
            errorFields = errorFields + elm.title + ', ';
          }
        break;
        case "checkbox":
          if (elm.getAttribute('required') != null && elm.getAttribute('required').substr(0, 1) == 1 && !elm.checked) {
            errorFields = errorFields + elm.title + ', ';
          }
        break;        
        case "button":
        case "reset":
        case "submit":
        case "image":
        case "radio":
      }
    }
  }
  
  return errorFields;
}

function IsVisible (elem) {
  return elem.style.display!="none";
}

function CheckFields (tabId) {
  var tab = document.getElementById(tabId);
  var errorFields = '';
  
  var elms = tab.getElementsByTagName("*");
  for(var i = 0, maxI = elms.length; i < maxI; ++i) {
    var elm = elms[i];
    if (elm.value != '' && IsVisible(elm)) {
      switch(elm.name) {
        case 'email':
          if (!IsValidEmail(elm.value)) {
            errorFields = errorFields + elm.title + ', ';
          }
        break;
      }
    }
  }
  
  return errorFields;
}

function ShowField (elemId) {
  ShowElement (elemId);
  ShowElement ('fs_' + elemId); //fieldset area
}

function HideField (elemId) {
  HideElement (elemId);
  HideElement ('fs_' + elemId); //fieldset area
}

function ShowElement (elemId) {
  if (document.getElementById(elemId)) {
    document.getElementById(elemId).style.display = '';
  }
}

function HideElement (elemId) {
  if (document.getElementById(elemId)) {
    document.getElementById(elemId).style.display = 'none';
  }
}

function GetElemValue (elemId) {
  if (document.getElementById(elemId)) {
    return document.getElementById(elemId).value;
  }
}

function ShowPopup (page, width, height) {
  if (!width) width='600px';
  if (!height) height = '800px';
  var newWindow = window.open ('?action=show_popup&page=' + page, 'newWindow', 'width=' + width + ', height=' + height + ', scrollbars=yes');
  newWindow.focus();
}

function FillField (targetId, sourceIds) {
  var value = '';
  for (var i in sourceIds) {
    var elemId = sourceIds[i];
    if (document.getElementById(elemId)) {
      var elem = document.getElementById(elemId);
      value = value + elem.value + ' ';
    }
  }
  if (value) {
    if (document.getElementById(targetId)) {
      document.getElementById(targetId).value = value.substr(0, value.length - 1);
    }
  }
}

function IsValidEmail (email){
  var filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i
  if (filter.test(email)){
    return true;
  }else{
    return false;
  }
}

function CalcCheckLetter(num){
  var rivi = "0123456789ABCDEFHJKLMNPRSTUVWXY";     
  return rivi.substring(num % 31, num % 31 +1);
}

function IsDate(val,format) {
  var date=getDateFromFormat(val,format);
  if (date==0) { return false; }
  return true;
}
function compareDates(date1,dateformat1,date2,dateformat2) {
  var d1=getDateFromFormat(date1,dateformat1);
  var d2=getDateFromFormat(date2,dateformat2);
  if (d1==0 || d2==0) {
    return -1;
    }
  else if (d1 > d2) {
    return 1;
    }
  return 0;
}
function formatDate(date,format) {
  format=format+"";
  var result="";
  var i_format=0;
  var c="";
  var token="";
  var y=date.getYear()+"";
  var M=date.getMonth()+1;
  var d=date.getDate();
  var E=date.getDay();
  var H=date.getHours();
  var m=date.getMinutes();
  var s=date.getSeconds();
  var yyyy,yy,MMM,MM,dd,hh,h,mm,ss,ampm,HH,H,KK,K,kk,k;
  // Convert real date parts into formatted versions
  var value=new Object();
  if (y.length < 4) {y=""+(y-0+1900);}
  value["y"]=""+y;
  value["yyyy"]=y;
  value["yy"]=y.substring(2,4);
  value["M"]=M;
  value["MM"]=LZ(M);
  value["MMM"]=MONTH_NAMES[M-1];
  value["NNN"]=MONTH_NAMES[M+11];
  value["d"]=d;
  value["dd"]=LZ(d);
  value["E"]=DAY_NAMES[E+7];
  value["EE"]=DAY_NAMES[E];
  value["H"]=H;
  value["HH"]=LZ(H);
  if (H==0){value["h"]=12;}
  else if (H>12){value["h"]=H-12;}
  else {value["h"]=H;}
  value["hh"]=LZ(value["h"]);
  if (H>11){value["K"]=H-12;} else {value["K"]=H;}
  value["k"]=H+1;
  value["KK"]=LZ(value["K"]);
  value["kk"]=LZ(value["k"]);
  if (H > 11) { value["a"]="PM"; }
  else { value["a"]="AM"; }
  value["m"]=m;
  value["mm"]=LZ(m);
  value["s"]=s;
  value["ss"]=LZ(s);
  while (i_format < format.length) {
    c=format.charAt(i_format);
    token="";
    while ((format.charAt(i_format)==c) && (i_format < format.length)) {
      token += format.charAt(i_format++);
      }
    if (value[token] != null) { result=result + value[token]; }
    else { result=result + token; }
    }
  return result;
}  
function _isInteger(val) {
  var digits="1234567890";
  for (var i=0; i < val.length; i++) {
    if (digits.indexOf(val.charAt(i))==-1) { return false; }
    }
  return true;
}
function _getInt(str,i,minlength,maxlength) {
  for (var x=maxlength; x>=minlength; x--) {
    var token=str.substring(i,i+x);
    if (token.length < minlength) { return null; }
    if (_isInteger(token)) { return token; }
    }
  return null;
}
function getDateFromFormat(val,format) {
  val=val+"";
  format=format+"";
  var i_val=0;
  var i_format=0;
  var c="";
  var token="";
  var token2="";
  var x,y;
  var now=new Date();
  var year=now.getYear();
  var month=now.getMonth()+1;
  var date=1;
  var hh=now.getHours();
  var mm=now.getMinutes();
  var ss=now.getSeconds();
  var ampm="";
  
  while (i_format < format.length) {
    // Get next token from format string
    c=format.charAt(i_format);
    token="";
    while ((format.charAt(i_format)==c) && (i_format < format.length)) {
      token += format.charAt(i_format++);
      }
    // Extract contents of value based on format token
    if (token=="yyyy" || token=="yy" || token=="y") {
      if (token=="yyyy") { x=4;y=4; }
      if (token=="yy")   { x=2;y=2; }
      if (token=="y")    { x=2;y=4; }
      year=_getInt(val,i_val,x,y);
      if (year==null) { return 0; }
      i_val += year.length;
      if (year.length==2) {
        if (year > 70) { year=1900+(year-0); }
        else { year=2000+(year-0); }
        }
      }
    else if (token=="MMM"||token=="NNN"){
      month=0;
      for (var i=0; i<MONTH_NAMES.length; i++) {
        var month_name=MONTH_NAMES[i];
        if (val.substring(i_val,i_val+month_name.length).toLowerCase()==month_name.toLowerCase()) {
          if (token=="MMM"||(token=="NNN"&&i>11)) {
            month=i+1;
            if (month>12) { month -= 12; }
            i_val += month_name.length;
            break;
            }
          }
        }
      if ((month < 1)||(month>12)){return 0;}
      }
    else if (token=="EE"||token=="E"){
      for (var i=0; i<DAY_NAMES.length; i++) {
        var day_name=DAY_NAMES[i];
        if (val.substring(i_val,i_val+day_name.length).toLowerCase()==day_name.toLowerCase()) {
          i_val += day_name.length;
          break;
          }
        }
      }
    else if (token=="MM"||token=="M") {
      month=_getInt(val,i_val,token.length,2);
      if(month==null||(month<1)||(month>12)){return 0;}
      i_val+=month.length;}
    else if (token=="dd"||token=="d") {
      date=_getInt(val,i_val,token.length,2);
      if(date==null||(date<1)||(date>31)){return 0;}
      i_val+=date.length;}
    else if (token=="hh"||token=="h") {
      hh=_getInt(val,i_val,token.length,2);
      if(hh==null||(hh<1)||(hh>12)){return 0;}
      i_val+=hh.length;}
    else if (token=="HH"||token=="H") {
      hh=_getInt(val,i_val,token.length,2);
      if(hh==null||(hh<0)||(hh>23)){return 0;}
      i_val+=hh.length;}
    else if (token=="KK"||token=="K") {
      hh=_getInt(val,i_val,token.length,2);
      if(hh==null||(hh<0)||(hh>11)){return 0;}
      i_val+=hh.length;}
    else if (token=="kk"||token=="k") {
      hh=_getInt(val,i_val,token.length,2);
      if(hh==null||(hh<1)||(hh>24)){return 0;}
      i_val+=hh.length;hh--;}
    else if (token=="mm"||token=="m") {
      mm=_getInt(val,i_val,token.length,2);
      if(mm==null||(mm<0)||(mm>59)){return 0;}
      i_val+=mm.length;}
    else if (token=="ss"||token=="s") {
      ss=_getInt(val,i_val,token.length,2);
      if(ss==null||(ss<0)||(ss>59)){return 0;}
      i_val+=ss.length;}
    else if (token=="a") {
      if (val.substring(i_val,i_val+2).toLowerCase()=="am") {ampm="AM";}
      else if (val.substring(i_val,i_val+2).toLowerCase()=="pm") {ampm="PM";}
      else {return 0;}
      i_val+=2;}
    else {
      if (val.substring(i_val,i_val+token.length)!=token) {return 0;}
      else {i_val+=token.length;}
      }
    }
  // If there are any trailing characters left in the value, it doesn't match
  if (i_val != val.length) { return 0; }
  // Is date valid for month?
  if (month==2) {
    // Check for leap year
    if ( ( (year%4==0)&&(year%100 != 0) ) || (year%400==0) ) { // leap year
      if (date > 29){ return 0; }
      }
    else { if (date > 28) { return 0; } }
    }
  if ((month==4)||(month==6)||(month==9)||(month==11)) {
    if (date > 30) { return 0; }
    }
  // Correct hours value
  if (hh<12 && ampm=="PM") { hh=hh-0+12; }
  else if (hh>11 && ampm=="AM") { hh-=12; }
  var newdate=new Date(year,month-1,date,hh,mm,ss);
  return newdate.getTime();
}

function StripSignStr(s) {
  var nosign, i;
  if (s != '') {
    nosign = '';
    for (i = 0; i < s.length; i++) {
      if (s.substr(i,1) != '-')  {
        nosign = nosign + s.charAt(i) ;
       }
    }
    return nosign;
  }
  return '';
}

var tabIds = new Array ('tab1');
var elemOrigHTML = new Array;
var stepImgs = new Array ();



function Tabbar (imgDir, formTarget) {
  var currentTabId;

  this.imgDir = imgDir;
  this.formTarget = formTarget;
  
  this.Show = Show;
  this.Hide = Hide;
  this.HideAllTabs = HideAllTabs;
  this.Next = Next;
  this.Prev = Prev;
  this.SetActive = SetActive;
  this.SetClass = SetClass;
  this.SetInnerHTML = SetInnerHTML;
  this.SetFocusToFirstElement = SetFocusToFirstElement;
  this.GetTabObject = GetTabObject;
  this.GetFirstTabId = GetFirstTabId;
  this.GetTabIndex = GetTabIndex;
  this.GetTabId = GetTabId;    
  
  function Show (tabId) {
    this.HideAllTabs ();
    var tab = this.GetTabObject(tabId);
    //tab.style.display = '';
    $("#"+tabId).show();

    this.SetActive(tabId);
    this.SetFocusToFirstElement(tabId);            
  }
  
  function Hide (tabId) {
    var tab = this.GetTabObject(tabId);
    tab.style.display = 'none';  
  }
  
  function HideAllTabs () {
    if (tabIds.length > 1) {      
      for (var i = 0; i < tabIds.length; i++) {
        this.Hide(tabIds[i]);
        this.SetClass ('a_' + tabIds[i], 'steps');
        this.SetInnerHTML (tabIds[i], 'disable');
        $("#a_"+tabIds[i]).parent().removeClass('active'); //Bootstrap
      }      
    }
  }
  
  function Next () {
    switch (this.currentTabId) {
      case 'tab11':
        xajax_XajaxFillSummary(xajax.getFormValues('id_frm_dlpm'));
      break;
      default:break;     
    }
    
    var currentTabIndex = this.GetTabIndex (this.currentTabId);
    var nextTabId = this.GetTabId (currentTabIndex + 1);
    if (nextTabId) {
      if (isNextAllowed) {      	
        this.Show(nextTabId);        
      }
    }else{
      DisableBtn('next');
      var form = document.getElementById("id_frm_dlpm");
      
      if (this.formTarget == 'newWindow') {      	           
        form.setAttribute ('target', 'newWindow');
        form.submit();
        newWindow.focus();        
      }else{
        form.setAttribute ('target', this.formTarget);
        form.submit();
      }        
    }        
  }
  
  function Prev () {    
    HideElement ("errorMsg");
    
    if (this.currentTabId == 'tab3') {
      if (GetCookie('top_view_exists') == '1' && GetCookie('product_view') == 'base') {        
        xajax_XajaxResetRcrProducts(null, 'top_product', GetElemValue('id_location'));
        return true;
      }             
    }
    
    var currentTabIndex = this.GetTabIndex (this.currentTabId);
    var prevTabId = this.GetTabId (currentTabIndex - 1);
    if (prevTabId) {
      this.Show(prevTabId);
    }else{
      var backUrl = '';
      if (backUrl) {
        window.location = backUrl;
      }else{
        history.back();
      }
    }    
  }
  
  function SetActive (tabId) {
    this.currentTabId = tabId; // save to global variable
    if (tabIds.length > 1) {
    	$("#a_"+tabId).addClass('stepsActive');
    	$("#a_"+tabId).parent().addClass('active'); //Bootstrap
      this.SetInnerHTML (tabId, 'active');    
    }
  }
  
  function SetInnerHTML (tabId, state) {
    var tabIndex = this.GetTabIndex(tabId);
    var imgFileName = tabIndex+'_'+state+'.png';
    var imgSrc = this.imgDir+'/'+imgFileName;       
    var imgExists = false;
    
    var elem = document.getElementById('a_' + tabId);

    if (!elemOrigHTML[tabIndex]) {
      elemOrigHTML[tabIndex] = elem.innerHTML;
    }
    
    for (i=0; i < stepImgs.length; i++) {
      if (stepImgs[i] === imgFileName) {
        imgExists = true;
      }
    }    
 
    if (imgExists) {
      elem.innerHTML = '<img src="'+imgSrc+'">';      
    }else{
      elem.innerHTML = elemOrigHTML[tabIndex];  
    }  
  }
  
  function SetFocusToFirstElement (tabId) {
    if (document.getElementById(tabId)) {
      var tab = document.getElementById(tabId);
      var elms = tab.getElementsByTagName("*");
      for(var i = 0, maxI = elms.length; i < maxI; ++i) {    
        var elm = elms[i];
        if (elm.type == 'text') {
          if (elm.value == '') {
            elm.focus();
            return true;
          }          
        }
      }
    }
  }
    
  function SetClass (elemId, className) {
    var elem = this.GetTabObject(elemId);
    if (elem != null) {
      elem.className = className;
    }
  }
  
  function GetTabObject (tabId) {
    return document.getElementById(tabId);
  }
  
  function GetFirstTabId () {
    return tabIds[0];
  }
  
  function GetTabIndex (tabId) {
    for (var i = 0; i < tabIds.length; i++) {
      if (tabIds[i] == tabId) {
        return i;
      }
    }
    return false;
  }
  
  function GetTabId (tabIndex) {
    for (var i = 0; i < tabIds.length; i++) {
      if (i == tabIndex) {
        return tabIds[i];
      }
    }
    return false;
  }  
}