var SERVER = "http://www.autojarov.cz/";

function nactiSelect(typ,polozka)
       {
       var box_sirka = document.getElementById('box_sirka');
       var box_vyska = document.getElementById('box_vyska');
       var box_prumer = document.getElementById('box_prumer');
       
       var form = document.getElementById('form_vyhl');
       form.onsubmit = function() {return false;}
       
       switch (polozka)
              {
              case "sirka":
                     {
                     box_sirka.innerHTML = "";
                     box_vyska.innerHTML = "";
                     box_prumer.innerHTML = "";
                     
                     
                     HBHttpRequest(SERVER + 'system/nacti_polozku_pneu.php?typ=' + typ + '&polozka=sirka','get','txt','','_zobrazSirky');
                     
                     break;
                     }
              
              case "vyska":
                     {
                     box_vyska.innerHTML = "";
                     box_prumer.innerHTML = "";
                     
                     var sirka = document.getElementById('form_sirka').value;
                     
                     
                     if (sirka != "0")
                     HBHttpRequest(SERVER + 'system/nacti_polozku_pneu.php?typ=' + typ + '&polozka=vyska&sirka=' + sirka,'get','txt','','_zobrazVysky');
                     
                     break;
                     }
              
              case "prumer":
                     {
                     box_prumer.innerHTML = "";
                     
                     var sirka = document.getElementById('form_sirka').value;
                     var vyska = document.getElementById('form_vyska').value;
                     
                     if (sirka != "0" && vyska != "0")
                     HBHttpRequest(SERVER + 'system/nacti_polozku_pneu.php?typ=' + typ + '&polozka=prumer&sirka=' + sirka + "&vyska=" + vyska,'get','txt','','_zobrazPrumery');
                     
                     break;
                     }
              }
       }

function _zobrazSirky(txt,status)
       {
        var box = document.getElementById('box_sirka');
       
       if (status == 200) 
              {
              box.innerHTML = txt;
              
              $('#form_sirka').sSelect();
              }
       }

function _zobrazVysky(txt,status)
       {
        var box = document.getElementById('box_vyska');
       
       if (status == 200) 
              {
              box.innerHTML = txt;
              
              $('#form_vyska').sSelect();
              }
       }

function _zobrazPrumery(txt,status)
       {
        var box = document.getElementById('box_prumer');
       
       if (status == 200) 
              {
              box.innerHTML = txt;
              
              $('#form_prumer').sSelect();
              }
       }

function _povolForm()
       {
       var form = document.getElementById('form_vyhl');
       
       var prumer = document.getElementById('form_prumer').value;
       
       if (prumer != "0")
       form.onsubmit = function() {return true;}
       
       else
       form.onsubmit = function() {return false;}
       }