function relatieEditorSelectAllOrNone(selectAllOrNoneToggle, namePrefix)
{
  var f = selectAllOrNoneToggle.form;

  for (var i=0; i < f.elements.length; i++)
  {
    var box = f.elements[i];
    if (box.checked != selectAllOrNoneToggle.checked)
    {
      if (box.name.substring(0, namePrefix.length) == namePrefix)
      {
        if (selectAllOrNoneToggle.checked)
        {
          box.checked = true;
        }
        else
        {
          box.checked = false;
        }
      }
    }
  }
}

function advancedSearchWorldRegionChange(f)
{
  if (f.advancedfairsearchworldregion.value > 0)
  {
    var countriesStr = (eval('f.advancedfairsearchcountryoptions' + f.advancedfairsearchworldregion.value + '.value'));

    var countriesArray = new Array();
    countriesArray = countriesStr.split('|');

    f.advancedfairsearchcountry.options.length = 0;
    f.advancedfairsearchcity.options.length = 0;

    f.advancedfairsearchcountry.options[0] = new Option('<All>', '-1');
    f.advancedfairsearchcity.options[0] = new Option('<Select country first>', '-1');

    for (teller = 0; teller < countriesArray.length; teller = teller + 2)
    {
      f.advancedfairsearchcountry.options[f.advancedfairsearchcountry.options.length] = new Option(countriesArray[teller + 1], countriesArray[teller]);
    }
  }
  else
  {
    f.advancedfairsearchcountry.options.length = 0;
    f.advancedfairsearchcity.options.length = 0;

    f.advancedfairsearchcountry.options[0] = new Option('<Select world region first>', '-1');
    f.advancedfairsearchcity.options[0] = new Option('<Select country first>', '-1');
  }
}


function advancedSearchCountryChange(f)
{
  if (f.advancedfairsearchcountry.value > 0)
  {
    var citiesStr = (eval('f.advancedfairsearchcityoptions' + f.advancedfairsearchcountry.value + '.value'));

    var citiesArray = new Array();
    citiesArray = citiesStr.split('|');

    f.advancedfairsearchcity.options.length = 0;

    f.advancedfairsearchcity.options[0] = new Option('<All>', '-1');

    for (teller = 0; teller < citiesArray.length; teller = teller + 2)
    {
      f.advancedfairsearchcity.options[f.advancedfairsearchcity.options.length] = new Option(citiesArray[teller + 1], citiesArray[teller]);
    }
  }
  else
  {
    f.advancedfairsearchcity.options.length = 0;

    f.advancedfairsearchcity.options[0] = new Option('<Select country first>', '-1');
  }
}


function popup(imgUrl, imgWidth, imgHeight, popupTitle)
{
  if (imgWidth == -1 && imgHeight == -1)
  {
    resizePopupToImage = 1;
    iw = 100;
    ih = 100;
  }
  else
  {
    resizePopupToImage = 0;
    iw = imgWidth;
    ih = imgHeight;
  }

  window.open('/script/imageInPopup.asp?imgUrl=' + escape(imgUrl) + '&popupTitle=' + escape(popupTitle) + '&resizePopupToImage=' + resizePopupToImage, 'imageWindow', 'width=' + iw + ',height=' + ih + ',scrollbars=no,location=no,status=no,menubar=no,directories=no,toolbar=no,resizable=no');
  return;
}


function resizePopupToImage()
{
  if (window.innerWidth)
  {
    iWidth = window.innerWidth;
    iHeight = window.innerHeight;
  }
  else
  {
    iWidth = document.body.clientWidth;
    iHeight = document.body.clientHeight;
  }

  iWidth = document.images[0].width - iWidth;
  iHeight = document.images[0].height - iHeight;

  window.resizeBy(iWidth, iHeight);
}