var kraj =  {"1":{"15":"Central Bohemia","6":"Karlovarsk\u00fd","7":"Kr\u00e1lov\u00e9hradeck\u00fd","8":"Libereck\u00fd","14":"Moravian-Silesia","9":"Olomouck\u00fd","10":"Pardubick\u00fd","1":"Prague","4":"South Moravia","12":"\u00dasteck\u00fd","13":"Zl\u00ednsk\u00fd"}} ;
var okres =  {"15":{"9":"Bene\u0161ov","10":"Beroun","35":"Kladno","37":"Kol\u00edn","39":"Kutn\u00e1 Hora","43":"M\u011bln\u00edk","44":"Mlad\u00e1 Boleslav","48":"Nymburk","60":"Praha-v\u00fdchod","61":"Praha-z\u00e1pad","63":"P\u0159\u00edbram","65":"Rakovn\u00edk"},"4":{"11":"Blansko","12":"B\u0159eclav","13":"Brno-m\u011bsto","14":"Brno-venkov","26":"Hodon\u00edn","82":"Vy\u0161kov","85":"Znojmo"},"14":{"15":"Brunt\u00e1l","24":"Fr\u00fddek-M\u00edstek","34":"Karvin\u00e1","47":"Nov\u00fd Ji\u010d\u00edn","50":"Opava","51":"Ostrava"},"8":{"16":"\u010cesk\u00e1 L\u00edpa","28":"Jablonec nad Nisou","40":"Liberec","68":"Semily"},"2":{"17":"\u010cesk\u00e9 Bud\u011bjovice","18":"\u010cesk\u00fd Krumlov","32":"Jind\u0159ich\u016fv Hradec","54":"P\u00edsek","58":"Prachatice","70":"Strakonice","73":"T\u00e1bor"},"6":{"19":"Cheb","33":"Karlovy Vary","69":"Sokolov"},"12":{"20":"Chomutov","22":"D\u011b\u010d\u00edn","41":"Litom\u011b\u0159ice","42":"Louny","45":"Most","75":"Teplice","79":"\u00dast\u00ed nad Labem"},"10":{"21":"Chrudim","52":"Pardubice","72":"Svitavy","80":"\u00dast\u00ed nad Orlic\u00ed"},"11":{"23":"Doma\u017elice","36":"Klatovy","55":"Plze\u0148-jih","56":"Plze\u0148-m\u011bsto","57":"Plze\u0148-sever","66":"Rokycany","74":"Tachov"},"5":{"25":"Havl\u00ed\u010dk\u016fv Brod","31":"Jihlava","53":"Pelh\u0159imov","76":"T\u0159eb\u00ed\u010d","83":"\u017d\u010f\u00e1r nad S\u00e1zavou"},"7":{"27":"Hradec Kr\u00e1lov\u00e9","30":"Ji\u010d\u00edn","46":"N\u00e1chod","67":"Rychnov nad Kn\u011b\u017enou","77":"Trutnov"},"9":{"29":"Jesen\u00edk","49":"Olomouc","62":"P\u0159erov","64":"Prost\u011bjov","71":"\u0160umperk"},"13":{"38":"Krom\u011b\u0159\u00ed\u017e","78":"Uhersk\u00e9 Hradi\u0161t\u011b","81":"Vset\u00edn","84":"Zl\u00edn"},"1":{"59":"Praha-m\u011bsto"}} ;
window.onload = function () {
 x=document.getElementById('s[stat]');
 x.onchange = function () { ch_stat(this.value) ; }
 ch_stat(x.options[x.selectedIndex].value);
  
 x=document.getElementById('s[kraj]');
 x.onchange = function () { ch_kraj(this.value) ; }

 document.getElementById('regionbox').style.visibility = 'hidden';
   
}

function ch_kraj(kraj){
 var s=document.getElementById("s[region]"); 
 s.options.length=0;
 for(index in okres[kraj]) {
    s.options[s.options.length] = new Option(okres[kraj][index], index);
  }
 if (s.options.length > 0){
  s.options[s.options.length] = new Option('All',0);
 }else{
  s.options[s.options.length] = new Option('--',0);
 } 
 document.getElementById('regionbox').style.visibility = 'visible';  
 
}

function ch_stat(stat){
 var s=document.getElementById("s[kraj]");
 s.options.length=0;
 document.getElementById("s[region]").options.length=0;
 s.options[s.options.length] = new Option('Choose',0);
 for(index in kraj[stat]) {
    s.options[s.options.length] = new Option(kraj[stat][index], index);
  }
 if (s.options.length == 1){
  s.options.length=0;
  s.options[s.options.length] = new Option('--',0);
 } 
  if (s.selectedIndex >=0) {
  ch_kraj(s.options[s.selectedIndex].value);  
  }
}