// выбор подсекций
function selectSubSect(iPart,iVar) {
 var objSelect;
   for (i=iPart+1; i<=4; i++)
   {
     objSelect = document.getElementById('fReg['+i+']');
     while (objSelect.childNodes.length > 0)
      { objSelect.removeChild(objSelect.firstChild);}
     objSelect.options[0] = new Option('','0');
     objSelect.style.display = 'none';
   }

     if (iPart<4) {
     var iNextPart = iPart+1;
     if (!iVar) iVar = document.getElementById('fReg['+iPart+']').value;
     var iAddOptions = selectArray(theName[iVar], iNextPart);
       document.getElementById('fReg['+iNextPart+']').style.display = 'block';
    }
   if ((iVar==0)||(iAddOptions==-1))  document.getElementById('fReg['+iNextPart+']').style.display = 'none';

}

function selectArray(ar,iPart) {
 var key;
var i = -1;
 for (key in ar)
 {
  i++;
  document.getElementById('fReg['+iPart+']').options[i] = new Option(ar[key],key);
 }
 return i;
}
//