/*******************************************************************************
*  Title: PARENTTRAP
*  Version: 0.2 28/10/2018 18:13:50
*  Author: Koen Pepermans
*  Website: https://www.kpsoft.be
********************************************************************************
*  COPYRIGHT AND TRADEMARK NOTICE
*  Copyright 2005-2018 KPsoft, Koen Pepermans

*  This code is property of Koen Pepermans, KPsoft. Any modification or reuse is prohibited.
*  Selling the code for this program, in part or full, without prior
*  written consent is expressly forbidden.

*  Using this code, in part or full, to create derivate work,
*  new scripts or products is expressly forbidden. Obtain permission
*  before redistributing this software over the Internet or in
*  any other medium. In all cases copyright and header must remain intact.
*  This Copyright is in full effect in any country that has International
*  Trade Agreements with the United States of America or
*  with the European Union.
*******************************************************************************/

function $(id) {return document.getElementById(id);}

function openwin(newin,w,h) {
  if (w ==-1) {w=300;}
  if (h ==-1) {h=300;}
  params = "resizable=no,scrollbars=yes,width=" +w +",height=" +h +",top=50,left=50"
  window.open(newin,"wijzigingen",params)
}

//Open an mini-window
function openwin_printen(newin,title,w,h) {
  if (w ==-1) {w=300;}
  if (h ==-1) {h=300;}
  params = "resizable=yes,scrollbars=yes,width=" +w +",height=" +h +",top=50,left=50";
  window.open(newin,'title',params);
}

function ValidateForm(form)
{

   if (!IsNumeric(form.ss_10.value))
   {
      alert('Vul in het veld personen alleen nummers in aub.')
      form.ss_10.focus();
      form.ss_10.className = "formfout";
      form.xsub.value = "Volgende";
      return false;
      }

   if (!IsNumeric(form.ss_11.value))
   {
      alert('Vul in het veld percentage alleen nummers in aub.')
      form.ss_11.className = "formfout";
      form.ss_11.focus();
      form.xsub.value = "Volgende";
      return false;
      }

return true;

}

// aangepast voor deze survey, geen decimaal
function IsNumeric(fld)
{
   var ValidChars = "0123456789";
   var IsNumber=true;
   var Char;

   sText = fld.value;

   for (i = 0; i < sText.length && IsNumber == true; i++)
      {
      Char = sText.charAt(i);
      if (ValidChars.indexOf(Char) == -1)
         {
         IsNumber = false;
         fld.value="";
         fld.className="numeric";
         fld.focus();
         alert('Voer alleen cijfers in dit veld in aub');
         return IsNumber;
         }
      }
   fld.className="tekst";
   fld.focus();
   return IsNumber;

   }

function noenter() {
  return !(window.event && window.event.keyCode == 13);
  }

function ChangeColor(trow) {
  trow.className="accent";
  test = trow.cells[0];
  test.style.color = "#FF8000";
  test.style.fontSize = "15px";
  test.style.fontWeight = "normal";
  test = trow.cells[3];
  test.style.color = "#FF8000";
  test.style.fontSize = "15px";
  test.style.fontWeight = "normal";
}

function ChangeColorBack(trow) {
  trow.className="onderlijn";
  test = trow.cells[0];
  test.style.color = "#222222";  
  test.style.fontSize = "15px";
  test.style.fontWeight = "normal";
  test = trow.cells[3];
  test.style.color = "#222222";  
  test.style.fontSize = "15px";
  test.style.fontWeight = "normal";
}

function ChangeColorTekst(trow) {
  trow.className="accent_tekst";
}

function ChangeColorTekstBack(trow) {
  trow.className="";
}

function ChangeColorTDTekst(trow) {
  trow.className="accent_tekst";
}

function ChangeColorTDTekstBack(trow) {
  trow.className="";
}

function ChangeBGTekst(spanid) {
  spanid.className="valop_categorie";
}

function ChangeBGTekstBack(spanid) {
  spanid.className="onderlijn";
}

function OpenField(z,aField,aValue,IsArray) {
  objdiv = "det" + z;
  var ControleField = eval("document.forms[0]." + aField);
  //alert(ControleField.name);
    if (ControleField.checked == true) {
      document.getElementById(objdiv).style.display = 'none'; }
    else {
      document.getElementById(objdiv).style.display = 'block';
    }
}

function ShowDIV(objdiv) {
    document.getElementById(objdiv).style.display = 'block';
}

function HideDIV(objdiv) {
    document.getElementById(objdiv).style.display = 'none';
}

function SwitchDIV(objdiv) {
  if (document.getElementById(objdiv).style.display == 'none') {
    //alert('block');
    document.getElementById(objdiv).style.display = 'block';
  }
  else {
    document.getElementById(objdiv).style.display = 'none';
  }
}

function OpenFieldRadio(objdiv,aField,aValue) {
  var ControleField = eval("document.forms[0]." + aField);
    if (ControleField[aValue].checked == true) {
      $(objdiv).style.display = 'block';
      }
    else {
      $(objdiv).style.display = 'none';
    }
}

function OpenDoubleField(z,aField,aValue,IsArray) {
  objdiv = "div_visible_" + z;
  objrond = "div#div_" + z;
  var ControleField = eval("document.forms[0]." + aField);
  if (IsArray == 0) {
    if (ControleField[aValue].checked == true) {
      document.getElementById(objdiv).style.display = 'block'; }
    else {
      document.getElementById(objdiv).style.display = 'none';
    }
  }
  else {
    var aValue_array=aValue.split(";");

    for (i=0;i < aValue_array.length;i++) {
       var tmp = aValue_array[i] - 1;
      if ((ControleField[tmp].checked == true) || (ControleField[tmp].selected == true)) {
       //alert(tmp);
        document.getElementById(objdiv).style.display = 'block';
        Nifty(objrond,"tl tr");
        break;
        }
      else {
        document.getElementById(objdiv).style.display = 'none';
      }
    }
  }
}

function OpenMultiField(z,aFields,aValue,Reversed) {
  objdiv = "div_visible_" + z;
  objrond = "div#div_" + z;
  objsubdiv0 = "div_visible_" + z + "00";
  objsubdiv1 = "div_visible_" + z + "01";
  objsubdiv2 = "div_visible_" + z + "02";
  objsubdiv3 = "div_visible_" + z + "03";
  var aField_array=aFields.split(";"); 
  var aValue_array=aValue.split(";");
  var ControleField1 = eval("document.forms[0]." + aField_array[0]);
  var ControleField2 = eval("document.forms[0]." + aField_array[1]);
  var ControleField3 = eval("document.forms[0]." + aField_array[2]);

  waarde_nn00101 = 0;
  waarde_nn00102 = 0;
  waarde_nn00103 = 0;

  for (i=0;i < aValue_array.length;i++) {
      var tmp = aValue_array[i] - 1;
      if ((ControleField1[tmp].checked == true) || (ControleField1[tmp].selected == true)) {
        waarde_nn00101 = 1;
    }
      if ((ControleField2[tmp].checked == true) || (ControleField2[tmp].selected == true)) {
        waarde_nn00102 = 1;
    }
      if ((ControleField3[tmp].checked == true) || (ControleField3[tmp].selected == true)) {
        waarde_nn00103 = 1;
    }
    samen = eval(waarde_nn00101) + eval(waarde_nn00102) + eval(waarde_nn00103);
  }
  if (samen != 0) {
     document.getElementById(objdiv).style.display = 'block';
     Nifty(objrond,"tl tr");
     }
      else {
        document.getElementById(objdiv).style.display = 'none';
      }
  if (waarde_nn00101 == 1) {
     document.getElementById(objsubdiv1).style.display = 'block';
     Nifty(objrond,"tl tr");
     }
      else {
        document.getElementById(objsubdiv1).style.display = 'none';
      }
  if (waarde_nn00102 == 1) {
     document.getElementById(objsubdiv2).style.display = 'block';
     Nifty(objrond,"tl tr");
     }
      else {
        document.getElementById(objsubdiv2).style.display = 'none';
      }
  if (waarde_nn00103 == 1) {
     document.getElementById(objsubdiv3).style.display = 'block';
     Nifty(objrond,"tl tr");
     }
      else {
        document.getElementById(objsubdiv3).style.display = 'none';
      }

  if ((waarde_nn00101 != 1) && (waarde_nn00102 != 1) && (waarde_nn00103 != 1)) {
    document.getElementById(objsubdiv0).style.display = 'block';
  }
  else {
    document.getElementById(objsubdiv0).style.display = 'block';
  }
  
}

function TransferValue(aField,dField,aValue,dValue) {
  var ControleField = eval("document.forms[0]." + aField);
  var DestinationField = eval("document.forms[0]." + dField);
  if ((ControleField[aValue].checked == true) || (ControleField[aValue].selected == true)) {
    DestinationField[dValue].checked = true;
  }
}

function OpenDoubleFieldOption(z,aField,aValue,IsArray,Reversed) {
  objdiv = "div_visible_" + z;
  objrond = "div#div_" + z;
    
    var aValue_array=aValue.split(";");

    for (i=0;i < aValue_array.length;i++) {
      var tmp = aValue_array[i];
      if (Reversed == 0) { 
        if ($(aField).value == tmp) {
          $(objdiv).style.display = 'block';
          Nifty(objrond,"tl tr");
          break;
          }
        else {
          $(objdiv).style.display = 'none';
        }
      }
      else {
        if (($(aField).value != tmp) && ($(aField).value != -1)) {
          $(objdiv).style.display = 'block';
          Nifty(objrond,"tl tr");
          break;
          }
        else {
          $(objdiv).style.display = 'none';
        }
      }
  }
}

// vraag H.12
function ChangeQuestionText(z,aField) {
  objdiv = "div_text_" + z;
  if ($(aField).value == 1) {
    $(objdiv).innerHTML = "H.12 Is dit kind ooit gescheiden of momenteel in een echtscheidingsprocedure betrokken?";}
    else {
      $(objdiv).innerHTML = "H.12 Hoeveel van deze kinderen zijn ooit gescheiden of zijn momenteel in een echtscheidingsprocedure betrokken?";
    }
}

function limitOptionThree(f,d,aField,maxcat,cats,eenheid) {
  aField = parseInt(aField);
  aField2 = parseInt(aField + 1 * eenheid);
  aField3 = parseInt(aField + 2 * eenheid);
  var ControleField1 = eval("document.forms[0].v" + aField);
 var ControleField2 = eval("document.forms[0].v" + aField2);
 var ControleField3 = eval("document.forms[0].v" + aField3);
 if (cats == 0) {
   var cat0 = ["Kies","expertise","competenties","vrijwilligers","personeel","management","financiën","formeel overleg","informeel overleg","wetgeving","administratie","andere:"];
 }

  val1 = ControleField1.value;
  if ((f == 1) && (val1 == 0)) {
   ControleField2.options.length=0;
   ControleField2[0] = new Option(cat0[0],0,false,false);
   q = 1;
   for (i=1;i<cat0.length;i++) {
     //tmpwaarde = cat0[i] + " (" + i + ")";
     tmpwaarde = cat0[i];
     ControleField2[q] = new Option(tmpwaarde,i,false,false);
     q++;
   }
   ControleField3.options.length=0;
   ControleField3[0] = new Option(cat0[0],0,false,false);
   q = 1;
   for (i=1;i<cat0.length;i++) {
     tmpwaarde = cat0[i];
     ControleField3[q] = new Option(tmpwaarde,i,false,false);
     q++;
   }
  }

 if ((f == 1) && (val1 != 0)) {
   ControleField2.options.length=0;
   ControleField2[0] = new Option(cat0[0],0,false,false);
   q = 1;
   for (i=1;i<cat0.length;i++) {
     tmpwaarde = cat0[i];
     if (i != val1) {
       ControleField2[q] = new Option(tmpwaarde,i,false,false);
       q++;}
   }
   ControleField3.options.length=0;
   ControleField3[0] = new Option(cat0[0],0,false,false);
   q = 1;
   for (i=1;i<cat0.length;i++) {
     tmpwaarde = cat0[i];
     if (i != val1) {
       ControleField3[q] = new Option(tmpwaarde,i,false,false);
       q++;}
   }
 }

 val1 = ControleField1.value;
  val2 = ControleField2.value;
 if ((f == 2) && (val2 != 0) && (val1 !=0)) {
   ControleField3.options.length=0;
   q = 0;
   for (i=0;i<cat0.length;i++) {
     tmpwaarde = cat0[i];
     if ((i != val1) && (i != val2)) {
       ControleField3[q] = new Option(tmpwaarde,i,false,false);
       q++;}
   }
 }
}

// controle op vragen 28/06/2018 13:17:55
function formCheck(formobj,whichForm) {

  var formP1 = Array("fld_name","fld_email","fld_eetshift");
  var formP1Description = Array("Uw naam","Uw e-mail","Om hoe laat komen jullie brunchen?");
  
  var alertMsg = "De volgende velden zijn verplicht of dienen nagekeken te worden:\n";
  var l_Msg = alertMsg.length;

  if (whichForm == 1) {
          var fieldRequired = formP1;
          var fieldDescription = formP1Description;
  }

 for (var i = 0; i < fieldRequired.length; i++){
  var obj = formobj.elements[fieldRequired[i]];
  if (obj){
   switch(obj.type){
   case "select-one":
    if (obj.selectedIndex == 0 || obj.options[obj.selectedIndex].text == ""){
     alertMsg += " - " + fieldDescription[i] + "\n";
    }
    break;
   case "select-multiple":
    if (obj.selectedIndex == -1){
     alertMsg += " - " + fieldDescription[i] + "\n";
    }
    break;
   case "checkbox":
    if (obj.checked == false){
     alertMsg += " - " + fieldDescription[i] + "\n";
    }
    break;
   case "text":
   case "textarea":
   case "email":
    if (obj.value == "" || obj.value == null){
     alertMsg += " - " + fieldDescription[i] + "\n";
    }
    break;
   case "password":
    if (obj.value == "" || obj.value == null || obj.value.length < 6){
     alertMsg += " - " + fieldDescription[i] + " (slechts " + obj.value.length + " tekens)\n";
    }
    break;
   case "file":
    if (obj.value == "" || obj.value == null){
     alertMsg += " - " + fieldDescription[i] + "\n";
    }
    break;
   default:
   }
   if (obj.type == undefined){
    var blnchecked = false;
    for (var j = 0; j < obj.length; j++){
     if (obj[j].checked){
      blnchecked = true;
     }
    }
    if (!blnchecked){
     alertMsg += " - " + fieldDescription[i] + "\n";
    }
   }
  }
 }

  // check op waarden
  if ($('fld_algemeen_total').value == 0) {
    alertMsg += "\nU heeft niets aangeduid van de verschillende opties. Kijk aub het formulier nog eens na.";
    }
  
  if (alertMsg.length == l_Msg){
  var is_confirmed = confirm('Uw formulier wordt nu verzonden. Bent u zeker van uw keuze?\nAls u nog iets wil aanpassen, klik dan op Annuleren. Als het in orde is, druk op OK.');
    if (is_confirmed) {
      return true;
    }
    else {
      return false;
    }
  }else{
    alert(alertMsg);
    return false;
  }
}

function SelectRadio(i,thisField) {
  var ControleField = eval("document.forms[0]." + thisField);
  ControleField[i].checked = true;
//if (ControleField[i].checked == true) {
//    ControleField[i].checked = false;
//  }
//  else {
//    ControleField[i].checked = true;
//  }
}

function SelectCheck(thisField) {
  var ControleField = eval("document.forms[0]." + thisField);
  //if ((ControleField.checked == false) && (ControleField.disabled == false)) {ControleField.checked = true} else {ControleField.checked = false;}
  
  if (ControleField.checked == false) {ControleField.checked = true} else {ControleField.checked = false;}
}

//top 5 uit options
function limitOption(f,d,aField,maxcat,cats,eenheid,act_labels,act_waarden,reeks) {
  aField = parseInt(aField);
  aField2 = parseInt(aField + 1 * eenheid);
  aField3 = parseInt(aField + 2 * eenheid);
  if (reeks == 1) {
    var ControleField1 = $('v285');
   var ControleField2 = $('v287');
   var ControleField3 = $('v289');
   var ControleField4 = $('v291');
   var ControleField5 = $('v293');
 }
  if (reeks == 2) {
    var ControleField1 = $('v52');
   var ControleField2 = $('v53');
   var ControleField3 = $('v54');
   var ControleField4 = $('v55');
   var ControleField5 = $('v56');
 }
   val1 = ControleField1.value;
    val2 = ControleField2.value;
    val3 = ControleField3.value;
    val4 = ControleField4.value;
    val5 = ControleField5.value;

 if (cats == 0) {
   var cat0 = ["Kies","Organiseren en plannen","Betrokkenheid met kinderen, gezin, partner","Ordelijkheid","Zelfstandigheid","Sociaal zijn","Flexibiliteit","Verantwoordelijkheid","Creativiteit","Stresstolerantie/zelfbeheersing","Complexiteit","Punctualiteit","Luisterbereidheid","Leervermogen","Empathie","Initiatief nemen","Motivatie","Leiding geven","Communiceren","Problemen oplossen","Vriendelijkheid ","Zorgvuldigheid","Beslissingen nemen","Doorzettingsvermogen","Geconcentreerde aandacht","Tempo","Zin voor samenwerking","Klantgerichtheid","Andere:"];
   var catval = ["Selecteer","1","2","3","4","5","6","7","8","9","10","11","12","13","14","15","16","17","18","19","20","21","22","23","24","25","26","27","28"];
 }

  if ((f == 1) && (val1 == 0)) {
   ControleField2.options.length=0;
   ControleField2[0] = new Option(cat0[0],0,false,false);
   q = 1;
   for (i=1;i<cat0.length;i++) {
     tmpwaarde = cat0[i];
     tmpvalue = catval[i];
     ControleField2[q] = new Option(tmpwaarde,tmpvalue,false,false);
     q++;
   }
   ControleField3.options.length=0;
   ControleField3[0] = new Option(cat0[0],0,false,false);
   q = 1;
   for (i=1;i<cat0.length;i++) {
     tmpwaarde = cat0[i];
     tmpvalue = catval[i];
     ControleField3[q] = new Option(tmpwaarde,tmpvalue,false,false);
     q++;
   }
   ControleField4.options.length=0;
   ControleField4[0] = new Option(cat0[0],0,false,false);
   q = 1;
   for (i=1;i<cat0.length;i++) {
     tmpwaarde = cat0[i];
     tmpvalue = catval[i];
     ControleField4[q] = new Option(tmpwaarde,tmpvalue,false,false);
     q++;
   }
   ControleField5.options.length=0;
   ControleField5[0] = new Option(cat0[0],0,false,false);
   q = 1;
   for (i=1;i<cat0.length;i++) {
     tmpwaarde = cat0[i];
     tmpvalue = catval[i];
     ControleField5[q] = new Option(tmpwaarde,tmpvalue,false,false);
     q++;
   }
  }

  // indien selectie op 1e veld
 if ((f == 1) && (val1 != 0)) {
   ControleField2.options.length=0;
   ControleField2[0] = new Option(cat0[0],0,false,false);
   q = 1;
   for (i=1;i<cat0.length;i++) {
     tmpwaarde = cat0[i];
     if (catval[i] != val1) {
       tmpvalue = catval[i];
       ControleField2[q] = new Option(tmpwaarde,tmpvalue,false,false);
       q++;}
   }
   ControleField3.options.length=0;
   ControleField3[0] = new Option(cat0[0],0,false,false);
   q = 1;
   for (i=1;i<cat0.length;i++) {
     tmpwaarde = cat0[i];
     if (catval[i] != val1) {
       tmpvalue = catval[i];
       ControleField3[q] = new Option(tmpwaarde,tmpvalue,false,false);
       q++;}
   }
   ControleField4.options.length=0;
   ControleField4[0] = new Option(cat0[0],0,false,false);
   q = 1;
   for (i=1;i<cat0.length;i++) {
     tmpwaarde = cat0[i];
     tmpvalue = catval[i];
     if (catval[i] != val1) {
       ControleField4[q] = new Option(tmpwaarde,tmpvalue,false,false);
       q++;}
   }
   ControleField5.options.length=0;
   ControleField5[0] = new Option(cat0[0],0,false,false);
   q = 1;
   for (i=1;i<cat0.length;i++) {
     tmpwaarde = cat0[i];
     if (catval[i] != val1) {
       tmpvalue = catval[i];
       ControleField5[q] = new Option(tmpwaarde,tmpvalue,false,false);
       q++;}
   }

 }

  // indien selectie op 2e veld
 if ((f == 2) && (val2 != 0) && (val1 !=0)) {
   ControleField3.options.length=0;
   q = 0;
   for (i=0;i<cat0.length;i++) {
     tmpwaarde = cat0[i];
     if ((catval[i] != val1) && (catval[i] != val2)) {
       tmpvalue = catval[i];
       ControleField3[q] = new Option(tmpwaarde,tmpvalue,false,false);
       q++;}
   }
   ControleField4.options.length=0;
   q = 0;
   for (i=0;i<cat0.length;i++) {
     tmpwaarde = cat0[i];
     if ((catval[i] != val1) && (catval[i] != val2)) {
       tmpvalue = catval[i];
       ControleField4[q] = new Option(tmpwaarde,tmpvalue,false,false);
       q++;}
   }
   ControleField5.options.length=0;
   q = 0;
   for (i=0;i<cat0.length;i++) {
     tmpwaarde = cat0[i];
     if ((catval[i] != val1) && (catval[i] != val2)) {
       tmpvalue = catval[i];
       ControleField5[q] = new Option(tmpwaarde,tmpvalue,false,false);
       q++;}
   }
 }

  // indien selectie op 3e veld
 if ((f == 3) && (val2 != 0) && (val1 !=0) && (val3 !=0)) {
   ControleField4.options.length=0;
   q = 0;
   for (i=0;i<cat0.length;i++) {
     tmpwaarde = cat0[i];
     tmpvalue = catval[i];
     if ((catval[i] != val1) && (catval[i] != val2)  && (catval[i] != val3)) {
       ControleField4[q] = new Option(tmpwaarde,tmpvalue,false,false);
       q++;}
   }
   ControleField5.options.length=0;
   q = 0;
   for (i=0;i<cat0.length;i++) {
     tmpwaarde = cat0[i];
     if ((catval[i] != val1) && (catval[i] != val2)  && (catval[i] != val3)) {
       tmpvalue = catval[i];
       ControleField5[q] = new Option(tmpwaarde,tmpvalue,false,false);
       q++;}
   }
 }

  // indien selectie op 4e veld
 if ((f == 4) && (val2 != 0) && (val1 !=0) && (val3 !=0) && (val4 !=0)) {
   ControleField5.options.length=0;
   q = 0;
   for (i=0;i<cat0.length;i++) {
     tmpwaarde = cat0[i];
     if ((catval[i] != val1) && (catval[i] != val2) && (catval[i] != val3) && (catval[i] != val4)) {
       tmpvalue = catval[i];
       ControleField5[q] = new Option(tmpwaarde,tmpvalue,false,false);
       q++;}
   }
 }
}

function FillOptions(optfield,srcfield) {
  var waarde = $(srcfield).value;
  var OptionField = eval("document.forms[0]." + optfield);
  OptionField.options.length=0;
  if ((optfield == 'PH01200') && (waarde == 1)) {
    OptionField[0] = new Option('Selecteer',-1,false,false);
    OptionField[1] = new Option('Neen',0,false,false);
    OptionField[2] = new Option('Ja',1,false,false);
    $(label_q12).innerHTML = "";
  }
  else {
  //OptionField[0] = new Option('Selecteer',-1,false,false);
  OptionField[0] = new Option('Selecteer',-1,false,false);
  for (i=0;i<=waarde;i++) {
    iplus = i + 1;
    OptionField[iplus] = new Option(i,i,false,false);
  }
  }
}

function getYOffset(element) {
      alert(element.id);
      var tmpEl = element;
      var offset = 0;
      while ( tmpEl != null) {
            offset += tmpEl.offsetTop;
            tmpEl = tmpEl.offsetParent;
      }
      return offset;
}

function getWindowWidth() {
  winW = document.body.offsetWidth-20;
  if (parseInt(navigator.appVersion)>3) {
   if (navigator.appName=="Netscape") {
    winW = window.innerWidth-16;
    winH = window.innerHeight-16;
   }
   if (navigator.appName.indexOf("Microsoft")!=-1) {
    winW = document.body.offsetWidth-20;
    winH = document.body.offsetHeight-20;
   }
  }
  return winW;
}

function DisableChecks(arr_fields) {
  if (arr_fields == 1) {
    var FieldList = ["ip_q44001","ip_q44002","ip_q44003","ip_q44004","ip_q44005","ip_q44006","ip_q44007","ip_q44008","ip_q44009","ip_q44010","ip_q44011","ip_q44012","ip_q44013"];
    tmpwaarde = $('ip_q44014');
    var start = 1;
    var stop = FieldList.length;
  }

  if (arr_fields == 2) {
    var FieldList = ["IH00701","IH00702","IH00703","IH00704","IH00705","IH00706","IH00707","IH00708","IH00709","IH00710","IH00711","IH00712","IH00713"];
    tmpwaarde = FieldList[0];
    var start = 1;
    var stop = FieldList.length;
  }

  if (arr_fields == 3) {
    var FieldList = ["ID00401","ID00402","ID00403","ID00404","ID00405","ID00406","ID00407","ID00408","ID00409","ID00410","ID00411","ID00412","ID00413","ID00414","ID00415"];
    tmpwaarde = FieldList[14];
    var start = 0;
    var stop = FieldList.length - 1;
  }

  if (arr_fields == 4) {
    var FieldList = ["ID00501","ID00502","ID00503","ID00504","ID00505","ID00506","ID00507","ID00508"];
    tmpwaarde = FieldList[7];
    var start = 0;
    var stop = FieldList.length - 1;
  }

  if ($(tmpwaarde).checked == true) {
    for (i=start;i<stop;i++) {
       tmpwaarde = FieldList[i];
       $(tmpwaarde).checked = false;
       $(tmpwaarde).disabled = true;
      }
    }
    else {
    for (i=start;i<stop;i++) {
       tmpwaarde = FieldList[i];
       $(tmpwaarde).disabled = false;
      }
    }
}

function ol_msg(msgtxt,width) {
  if (!width) {width=100;}
  var ol_startcode = "<table border=0 width=" + width + "cellpadding=0 cellspacing=0><tr><td class=huisstijl_rand><table border=0 width=" + width + "cellpadding=2 cellspacing=1><tr><td class=wit>";
  var ol_endcode = "</td></table><td class=helprechts width=1><img src=./gfx/blanco.gif width=2></td><tr><td colspan=2 class=helponder height=1><img src=./gfx/blanco.gif height=2></td></table>";
  overlib(ol_startcode + msgtxt + ol_endcode,VAUTO,FULLHTML);
}


function FixDecimals(fld) {
 $(fld).value = round_to_2_points($(fld).value);
}

// round to 2 decimals
var round_to_2_points = function(num) {
  var num_100 = num * 100;
  var num_100 = Math.round(num_100);
  var num_rounded = (num_100 / 100);
  return num_rounded;
}

// round to 4 decimals
var round_to_4_points = function(num) {
  var num_100 = num * 10000;
  var num_100 = Math.round(num_100);
  var num_rounded = (num_100 / 10000);
  return num_rounded;
}

function check_maxvalue(maxn,id_obj) {
  if ($(id_obj).value > maxn) {
    alert('Deze waarde is hoger dan het toegelaten maximum.');
    $(id_obj).value = maxn;
  }
}

function getkey(e)
       {
       if (window.event) return window.event.keyCode;
        else if (e) return e.which; else return null;
        }


// controle input veld
function goodchars(e, goods)
        {
       var key, keychar;
       key = getkey(e);
        if (key == null) return true;

        // get character
        keychar = String.fromCharCode(key);
        keychar = keychar.toLowerCase();
       goods = goods.toLowerCase();

       // check goodkeys
        if (goods.indexOf(keychar) != -1)
            return true;

        // control keys
        if ( key==null || key==0 || key==8 || key==9  || key==27 )
          return true;

      // else return false
     return false;
       }

// update range value
function updateRangeInput(frmField,tmpField) {
      $(tmpField).value = $(frmField).value; 
    }

function add_zero(val) {
  if (val < 10) {
    val = "0" + val;
  }
  return val;
}

// Check max checks
function LimitChecks(fld,nr_of_fields,max_nr,this_nr,qnr) {
  var n_checked = 0;
  for (var i=1; i<=nr_of_fields; i++){
    var tmpfld = fld + add_zero(i);
    //alert(tmpfld);
    if ($(tmpfld).checked == true) {n_checked++;}
  }
  if (n_checked > max_nr) {
      var tmpfld2 = fld + add_zero(this_nr);
      $(tmpfld2).checked = false;
      //alert('You can only indicate ' + max_nr);
      $('div_error_' + qnr).innerHTML = limitcheck_text + " " + max_nr + " " + var_items;
      $('div_error_' + qnr).className = "warning";
  }
}

// Check input max 3 values 1 to 3
function LimitAnswers(fld,nr_of_fields,max_nr,this_nr,qnr) {
  var n_checked = 0;
  var n_val1 = 0;
  var n_val2 = 0;
  var n_val3 = 0;
  for (var i=1; i<=nr_of_fields; i++){
    var tmpfld = fld + add_zero(i);
    //alert(tmpfld);
    if ($(tmpfld).value == 1) {n_checked++;n_val1++;}
    if ($(tmpfld).value == 2) {n_checked++;n_val2++;}
    if ($(tmpfld).value == 3) {n_checked++;n_val3++;}
  }
  if (n_checked > max_nr) {
      var tmpfld2 = fld + add_zero(this_nr);
      $(tmpfld2).value = "";
      //alert('You can only indicate ' + max_nr);
      $('div_error_' + qnr).innerHTML = limitcheck_text + " " + max_nr + " " + var_items;
      $('div_error_' + qnr).className = "warning";
  }
  else if (n_val1 > 1) {
      var tmpfld2 = fld + add_zero(this_nr);
      $(tmpfld2).value = "";
      $('div_error_' + qnr).innerHTML = limitcheck_1;
      $('div_error_' + qnr).className = "warning";
  }
  else if (n_val2 > 1) {
      var tmpfld2 = fld + add_zero(this_nr);
      $(tmpfld2).value = "";
      $('div_error_' + qnr).innerHTML = limitcheck_2;
      $('div_error_' + qnr).className = "warning";
  }
  else if (n_val3 > 1) {
      var tmpfld2 = fld + add_zero(this_nr);
      $(tmpfld2).value = "";
      $('div_error_' + qnr).innerHTML = limitcheck_3;
      $('div_error_' + qnr).className = "warning";
  }
  else {
      $('div_error_' + qnr).innerHTML = "";
      $('div_error_' + qnr).className = "";
  }
}

// Limit sum of 3 ranges to 100
function ValidateSum(actFld) {  
  waarde1 = parseInt($('ip_q59001').value);
  waarde2 = parseInt($('ip_q59002').value);
  waarde3 = parseInt($('ip_q59003').value);

  var som = waarde1 + waarde2 + waarde3;
  
  var rest = 100 - som;
  //alert(rest);
  
  if (rest < 0) {partial = rest / 2;} else {partial = 0;}
  
  if (rest < 0) {
    if ((actFld != 1) && (waarde1 < -partial)) {partial = rest;}
    if ((actFld != 2) && (waarde2 < -partial)) {partial = rest;}
    if ((actFld != 3) && (waarde3 < -partial)) {partial = rest;}
  }


  if (actFld != 1) {$('ip_q59001').value = waarde1 + partial;}
  if (actFld != 2) {$('ip_q59002').value = waarde2 + partial;}
  if (actFld != 3) {$('ip_q59003').value = waarde3 + partial;}

  new_waarde1 = parseInt($('ip_q59001').value);
  new_waarde2 = parseInt($('ip_q59002').value);
  new_waarde3 = parseInt($('ip_q59003').value);

  //$('tmp_max_ip_q59001').value= parseInt(rest) + new_waarde1;
  //$('tmp_max_ip_q59002').value= parseInt(rest) + new_waarde2;
  //$('tmp_max_ip_q59003').value= parseInt(rest) + new_waarde3;

  var new_som = new_waarde1 + new_waarde2 + new_waarde3;

  $('tmp_count_ip_q59001').value= new_waarde1;
  $('tmp_count_ip_q59002').value= new_waarde2;
  $('tmp_count_ip_q59003').value= new_waarde3;
  
  if (new_som == 101) {new_som = 100;}
  $('tmp_q59_total').value = new_som;

  //if (actFld == 1) {$('ip_q59001').max = waarde1;$('tmp_max_ip_q59001').value= waarde1;}
  //if (actFld == 2) {$('ip_q59002').max = waarde2;$('tmp_max_ip_q59002').value= waarde2;}
  //if (actFld == 3) {$('ip_q59003').max = waarde3;$('tmp_max_ip_q59003').value= waarde3;}
 
}


function playClip(fld) { 
  $(fld).play(); 
} 

function MiniformCheck(formobj,whichForm) {
  var formCode = Array("id_respondent","lns");
  var formCodeDescription = Array("Startcode","Language version");

  var alertMsg = "The following fields are required:\n";
  var l_Msg = alertMsg.length;

  if (whichForm == 1001) {
          var fieldRequired = formCode;
          var fieldDescription = formCodeDescription;
  }

  for (var i = 0; i < fieldRequired.length; i++){
    var obj = formobj.elements[fieldRequired[i]];

    if (obj){
      switch(obj.type){
      case "select-one":
        if (obj.selectedIndex == 0 || obj.options[obj.selectedIndex].text == ""){
          alertMsg += " - " + fieldDescription[i] + "\n";
        }
        break;
      case "select-multiple":
        if (obj.selectedIndex == -1){
          alertMsg += " - " + fieldDescription[i] + "\n";
        }
        break;
      case "checkbox":
        if (obj.checked == false){
          alertMsg += " - " + fieldDescription[i] + "\n";
        }
        break;
      case "text":
      case "textarea":
        if (obj.value == "" || obj.value == null){
          alertMsg += " - " + fieldDescription[i] + "\n";
        }
        break;
      case "password":
        if (obj.value == "" || obj.value == null || obj.value.length < 6){
          alertMsg += " - " + fieldDescription[i] + " (only " + obj.value.length + " characters)\n";
        }
        break;
      case "file":
        if (obj.value == "" || obj.value == null){
          alertMsg += " - " + fieldDescription[i] + "\n";
        }
        break;
      default:
      }
      if (obj.type == undefined){
        var blnchecked = false;
        for (var j = 0; j < obj.length; j++){
          if (obj[j].checked){
            blnchecked = true;
          }
        }
        if (!blnchecked){
          alertMsg += " - " + fieldDescription[i] + "\n";
        }
      }
    }
  }

  if (alertMsg.length == l_Msg){
    return true;
  }else{
    alert(alertMsg);
    return false;
  }
}

// functies PT

function CalcForm() {
  $('fld_veggieworst_total').value = $('fld_veggieworst_nr').value * 2.0;
  $('fld_veggie_total').value = $('fld_veggie_nr').value * 3.0;
  $('fld_bbqworst_total').value = $('fld_bbqworst_nr').value * 2.0;
  $('fld_ribbetjes_total').value = $('fld_ribbetjes_nr').value * 4.0;
  $('fld_hamburger_total').value = $('fld_hamburger_nr').value * 3.0;
  $('fld_sate_total').value = $('fld_sate_nr').value * 3.0;
  $('fld_zalm_total').value = $('fld_zalm_nr').value * 4.0;
  $('fld_basis_total').value = $('fld_basis_nr').value * 6.0;
  $('fld_algemeen_total').value = parseFloat($('fld_veggieworst_total').value) + parseFloat($('fld_veggie_total').value) + parseFloat($('fld_bbqworst_total').value) + parseFloat($('fld_ribbetjes_total').value) + parseFloat($('fld_hamburger_total').value) + parseFloat($('fld_sate_total').value) + parseFloat($('fld_zalm_total').value) + parseFloat($('fld_basis_total').value);
}

//function to check valid email address
function isValidEmail(str){

  strEmail = $(str).value;
  validRegExp = /^[^@]+@[^@]+.[a-z]{2,}$/i;
  // search email text for regular exp matches
  if (strEmail.search(validRegExp) == -1)
   {
      alert('Het e-mailadres dat u invoerde is niet geldig of ontbreekt.\nGelieve een geldig e-mailadres in te voeren.');
      $(str).className="w3-input w3-border w3-round w3-pale-red";
      return false;
    }
    $(str).className="w3-input w3-border w3-round";
    return true;
}

function CalcFormBFB() {
  $('fld_adult_total').value  = $('fld_adult').value * 18;
  $('fld_kind01_total').value = $('fld_kind01').value * 1;
  $('fld_kind02_total').value = $('fld_kind02').value * 2;
  $('fld_kind03_total').value = $('fld_kind03').value * 3;
  $('fld_kind04_total').value = $('fld_kind04').value * 4;
  $('fld_kind05_total').value = $('fld_kind05').value * 5;
  $('fld_kind06_total').value = $('fld_kind06').value * 6;
  $('fld_kind07_total').value = $('fld_kind07').value * 7;
  $('fld_kind08_total').value = $('fld_kind08').value * 8;
  $('fld_kind09_total').value = $('fld_kind09').value * 9.5;
  $('fld_kind10_total').value = $('fld_kind10').value * 11;
  $('fld_kind11_total').value = $('fld_kind11').value * 12.5;
  $('fld_kind12_total').value = $('fld_kind12').value * 14;
  $('fld_kind13_total').value = $('fld_kind13').value * 15.5;
  $('fld_kind14_total').value = $('fld_kind14').value * 17;

  $('fld_algemeen_total').value = parseFloat($('fld_adult_total').value ) + parseFloat($('fld_kind01_total').value) + parseFloat($('fld_kind02_total').value) + parseFloat($('fld_kind03_total').value) + parseFloat($('fld_kind04_total').value) + parseFloat($('fld_kind05_total').value) + parseFloat($('fld_kind06_total').value) + parseFloat($('fld_kind07_total').value) + parseFloat($('fld_kind08_total').value) + parseFloat($('fld_kind09_total').value) + parseFloat($('fld_kind10_total').value) + parseFloat($('fld_kind11_total').value) + parseFloat($('fld_kind12_total').value) + parseFloat($('fld_kind13_total').value) + parseFloat($('fld_kind14_total').value);
}