checkbox

Nazov
<input type="checkbox" checked name="zaskrkavatko"><br>

<input type="text" size="10" name="popis"><br>

<br><br><br>


Nazov 2
<input type="checkbox" checked name="zaskrkavatko2"><br>

<input type="text" size="10" name="popis2">

 <script type="text/javascript">
document.getElementById('vm_dodaci_field').onclick = function(){
    if (document.getElementById('vm_dodaci_field').checked)
    {
      document.getElementById("company_field").style.visibility = "visible";
     document.getElementById("company_div").style.visibility = "visible";
     document.getElementById("address_1_field").style.visibility = "visible";
    document.getElementById("address_1_div").style.visibility = "visible";
     document.getElementById("city_field").style.visibility = "visible";
    document.getElementById("city_div").style.visibility = "visible";
     document.getElementById("zip_field").style.visibility = "visible";
    document.getElementById("zip_div").style.visibility = "visible";
     document.getElementById("phone_1_field").style.visibility = "visible";
    document.getElementById("phone_1_div").style.visibility = "visible";
     document.getElementById("phone_2_field").style.visibility = "visible";
    document.getElementById("phone_2_div").style.visibility = "visible";
    }
    else
    {
      document.getElementById("company_field").style.visibility = "hidden";
     document.getElementById("company_div").style.visibility = "hidden";
     document.getElementById("address_1_field").style.visibility = "hidden";
     document.getElementById("address_1_div").style.visibility = "hidden";
     document.getElementById("city_field").style.visibility = "hidden";
     document.getElementById("city_div").style.visibility = "hidden";
     document.getElementById("zip_field").style.visibility = "hidden";
     document.getElementById("zip_div").style.visibility = "hidden";
     document.getElementById("phone_1_field").style.visibility = "hidden";
     document.getElementById("phone_1_div").style.visibility = "hidden";
     document.getElementById("phone_2_field").style.visibility = "hidden";
     document.getElementById("phone_2_div").style.visibility = "hidden";
    }
  }
</script>

<style>
#company_field, #company_div,#address_1_field, #address_1_div, #city_field, #city_div,#zip_field, #zip_div,
#phone_1_field, #phone_1_div, #phone_2_field, #phone_2_div {visibility:hidden;};
</style>

 <script type="text/javascript">
document.getElementById('vm_fir_field').onclick = function(){
    if (document.getElementById('vm_fir_field').checked)
    {
      document.getElementById("vm_firmy_field").style.display = "block";
     document.getElementById("vm_firmy_div").style.display = "block";
     document.getElementById("vm_uliceb_field").style.display = "block";
    document.getElementById("vm_uliceb_div").style.display = "block";
     document.getElementById("vm_mestob_field").style.display = "block";
    document.getElementById("vm_mestob_div").style.display = "block";
     document.getElementById("vm_pscb_field").style.display = "block";
    document.getElementById("vm_pscb_div").style.display = "block";
     document.getElementById("vm_ico_field").style.display = "block";
    document.getElementById("vm_ico_div").style.display = "block";
     document.getElementById("vm_dic_field").style.display = "block";
    document.getElementById("vm_dic_div").style.display = "block";
     document.getElementById("vm_telfax_field").style.display = "block";
    document.getElementById("vm_telfax_div").style.display = "block";
     document.getElementById("vm_mobil_field").style.display = "block";
    document.getElementById("vm_mobil_div").style.display = "block";
    }
    else
    {
      document.getElementById("vm_firmy_field").style.display = "none";
     document.getElementById("vm_firmy_div").style.display = "none";
     document.getElementById("vm_uliceb_field").style.display = "none";
     document.getElementById("vm_uliceb_div").style.display = "none";
     document.getElementById("vm_mestob_field").style.display = "none";
     document.getElementById("vm_mestob_div").style.display = "none";
     document.getElementById("vm_pscb_field").style.display = "none";
     document.getElementById("vm_pscb_div").style.display = "none";
     document.getElementById("vm_ico_field").style.display = "none";
     document.getElementById("vm_ico_div").style.display = "none";
     document.getElementById("vm_dic_field").style.display = "none";
     document.getElementById("vm_dic_div").style.display = "none";
     document.getElementById("vm_telfax_field").style.display = "none";
     document.getElementById("vm_telfax_div").style.display = "none";
     document.getElementById("vm_mobil_field").style.display = "none";
     document.getElementById("vm_mobil_div").style.display = "none";
    }
  }
</script>
<style>
#vm_firmy_field, #vm_firmy_div,#vm_uliceb_field, #vm_uliceb_div, #vm_mestob_field, #vm_mestob_div,#vm_pscb_field, #vm_pscb_div,
#vm_ico_field, #vm_ico_div, #vm_dic_field, #vm_dic_div, #vm_telfax_field, #vm_telfax_div, #vm_mobil_field, #vm_mobil_div {display:none;};

</style>

<input id="company_field">
<input id="company_div">
...

<div id="polozky">
    <input id="company_field">
    <input id="company_div">
    ...
</div>