function validateNum(event){
   var keynum;
   var keychar;
   var enabledKeys = new Array(48, 49, 50, 51, 52, 53, 54, 55, 56, 57,
                                9, 190, 8, 46, 36, 35, 34, 33, 37, 39,
                               96, 97, 98, 99, 100, 101, 102, 103, 104, 105);
//0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
// tab, ., backspace, delete
// home, end, pageup, pagedown, cur_bal, cur_jobb
// numpad 0-9
   var currKey;
   var valid;

   keynum = event.keyCode;
   valid = false;
//   alert(keynum);
   for (currKey in enabledKeys){
//      alert(enabledKeys[currKey]);
      if(keynum == enabledKeys[currKey]){
         valid = true;
      }
   }
   return valid;
}

function calc20(thisform){
//alert('calc');
  with(thisform){
    osszeg = (v201.value * 1) + (v202.value * 1) + (v203.value * 1) + (v204.value * 1) + (v205.value * 1);
    osszeg20.innerHTML = osszeg+' eFt';
  }
}

function calc21(thisform){
//alert('calc');
  with(thisform){
    osszeg = (v211.value * 1) + (v212.value * 1) + (v213.value * 1) + (v214.value * 1) + (v215.value * 1) + (v216.value * 1) + (v217.value * 1) + (v218.value * 1) + (v219.value * 1);
    osszeg21.innerHTML = osszeg+' eFt';
  }
}