//    <SCRIPT TYPE="text/javascript">
<!--

function numbersonly(myfield, e, dec)
{
var key;
var keychar;

if (window.event)
   key = window.event.keyCode;
else if (e)
   key = e.which;
else
   return true;
keychar = String.fromCharCode(key);

// control keys
if ((key==null) || (key==0) || (key==8) ||
    (key==9) || (key==13) || (key==27) )
   return true;

// numbers
else if ((("0123456789").indexOf(keychar) > -1))
   return true;

// decimal point jump
else if (dec && (keychar == "."))
   {
   myfield.form.elements[dec].focus();
   return false;
   }
else
   return false;
}

//-->
//</SCRIPT>


//<script type="text/javascript">
  var rozbalene;
    function RozbalMenu(id)
    {
     var Rozbal = document.getElementById('main_menu_'+id);
      if (!Rozbal){ return;}

      if(!isNaN(rozbalene)){
        var Zbal = document.getElementById('main_menu_'+rozbalene);
        if (!Zbal){ return;}
        Zbal.style.display = "none";
      }
      if(rozbalene != id){
        rozbalene = id;
        Rozbal.style.display = "block";
      } else {
        rozbalene = NaN;
      }
    }


function changePrevious() {
 var pom = document.getElementById('pojisteniodmesic');
 var por = document.getElementById('pojisteniod');
 var pd = document.getElementById('container_do');

 if (pom.value > 0 && por.value > 0) {
  pd.style.display = '';
 } else {
  pd.style.display = 'none';
 }
}


 function mesto_change() {
 var o = document.getElementById('mesto');
 var vyber = o.options[o.selectedIndex].value;
 if (vyber == 'ostatne') {
  showitinline('container-okres');
 // showitinline('container-obyvatel');
 } else {
  hideit('container-okres');
//  hideit('container-obyvatel');
 }
}




function showitinline(what) {
 var o = document.getElementById(what);
 o.style.display = 'inline';
}

function hideit(what) {
 var o = document.getElementById(what);
 o.style.display = 'none';
}


function poistnik_change() {
 var o = document.getElementById('poistnik');
 var vyber = o.options[o.selectedIndex].value;
 if (vyber == '1') {
  showitinline('container-stav');
  showitinline('container-pohlavie');
  showitinline('container-profese');
 } else {
  hideit('container-stav');
  hideit('container-pohlavie');
  hideit('container-profese');
 }
 if (vyber == '1' || vyber == '2') {
  showitinline('container-profese');
 } else {
  hideit('container-profese');
 }
}

function nakladni_change() {
 var o = document.getElementById('nakladni2');
 var vyber = o.options[o.selectedIndex].value;
 if (vyber == '3500') {
  showitinline('container-ccm');
  showitinline('container-kw');
 } else {
  hideit('container-ccm');
  hideit('container-kw');
 }
}


function pracovni_change() {
 var o = document.getElementById('pracovni');
 var vyber = o.options[o.selectedIndex].value;
 if (vyber == '1') {
  showitinline('container-ccm');
  showitinline('container-kw');
 } else {
  hideit('container-ccm');
  hideit('container-kw');
 }
}




<!-- vyber vozidla-->
 function vybervozidla_change() {
 var o = document.getElementById('vybervozidla');
 var vyber = o.options[o.selectedIndex].value;


  hideit('container-nakladni');
  hideit('container-pracovni');
  hideit('container-ccm');
  hideit('container-kw');
  hideit('container-moto');
  hideit('container-autobus');
  hideit('container-pripojne');
  hideit('container-traktor');
  hideit('container_do');


 if (vyber == '1')
  {showitinline('container-autobus')
  }

 if (vyber == '3')
  { showitinline('container-moto');
  }

 if (vyber == '4')
  {showitinline('container-nakladni');
   nakladni_change()
  }

 if (vyber == '6')
  {showitinline('container-ccm');
   showitinline('container-kw');
  }

 if (vyber == '8')
  {showitinline('container-pripojne');
  }

 if (vyber == '9')
  {showitinline('container-ccm')
  }

 if (vyber == '10')
  {showitinline('container-traktor');
  }

 if (vyber == '12')
  {showitinline('container-ccm')
  }


 if (vyber == '7')
  {showitinline('container-pracovni');
  pracovni_change()
  }
}

<!-- vypnannie formularu-->
 function form4_change() {
 var o = document.getElementById('isSameAddress');
 showitinline('tr-caddress');
 if (o.checked) {hideit('tr-caddress');  }
}
 function form4_change2() {
 var o = document.getElementById('isSameAddress2');
 showitinline('tr-caddress2');
 if (o.checked) {hideit('tr-caddress2');  }
}
 function form4_change1() {
 var o = document.getElementById('isSameAddress1');
 showitinline('tr-caddress3');
 if (o.checked) {hideit('tr-caddress3');  }
}
 function form4_change4() {
 var o = document.getElementById('isSameHolder');
 showitinline('table-drzitel');
 if (o.checked) {hideit('table-drzitel');  }
}
 function form4_change5() {
 var o = document.getElementById('isSameOwner');
 showitinline('table-vlastnik');
 if (o.checked) {hideit('table-vlastnik');  }
}

function form6_change() {
 var o = document.getElementById('chsuhlas');
  hideit('suhlasil');
 if (o.checked) {showitinline('suhlasil');  }
}

function form3_change() {
showitinline('vybrate');
hideit('formalpzp1');
hideit('formalpzp2');
}

function form3a1_change() {
hideit('vybrate');
hideit('formalpzp2');
showitinline('formalpzp1');
}

function form3a2_change() {
hideit('vybrate');
hideit('formalpzp1');
showitinline('formalpzp2');
}

//   </script>