function js_ShowZenders(radio,OrderBy) {
//  alert('Radio '+ radio + ' OrderBy '+ OrderBy);

  var url = 'php/dig_freq.php?radio=' + radio;
  
  var n = $("input:checked").length;

  $("input:checked").each( function() {
  	url = url + '&' + $(this).attr("name") + '=on';
  } );
  
  url = url + '&OrderBy=' + OrderBy;

  SendUrl(url);
}

function js_ShowSortZenders(radio, OrderBy, Pakketten) {

  var url = 'php/dig_freq.php?radio=' + radio + '&OrderBy=' + OrderBy + Pakketten;

  SendUrl(url);

}