function varos_kerdez(megyeid,selected,div){
  var w = 250;
  var select_name = div;
  if (arguments.length > 3) w = arguments[3];
  if (arguments.length > 4) select_name = arguments[4];
  var a = new Ajax.Request("json.php?a=varos&megyeid="+megyeid,{
    method: 'get',
    onComplete: function(data){
      var b = eval('('+data.responseText+')');
      var s = "";
      s += "<select name='"+select_name+"' style='width: "+w+"px;'>";
      s += "<option value='0'>--- Válassz várost ---</option>";
      for (var i = 0; i < b.length; i++){
        s += "<option value='"+b[i].id+"'"+((selected==b[i].id)?" selected":"")+">"+b[i].varos+"</option>";
      }
      s += "</select>";
      $(div).innerHTML = s;
    }
  });
}
function varos_kerdez_notoption(megyeid,selected,div){
  var w = 250;
  if (arguments.length > 3) w = arguments[3];
  var a = new Ajax.Request("json.php?a=varos&megyeid="+megyeid,{
    method: 'get',
    onComplete: function(data){
      var b = eval('('+data.responseText+')');
      var s = "";
      for (var i = 0; i < b.length; i++){
        if (selected == b[i].id) s += b[i].varos;
      }
      $(div).innerHTML = s;
    }
  });
}