// JavaScript Document
function checkRadios(radioname) {
 var el = document.forms[0].elements;
 for(var i = 0 ; i < el.length ; ++i) {
  if( (el[i].type == "radio") && (el[i].name == radioname) ) {
   var radiogroup = el[el[i].name]; // get the whole set of radio buttons.
   var itemchecked = false;
   for(var j = 0 ; j < radiogroup.length ; ++j) { if(radiogroup[j].checked) { itemchecked = true; break; } }
   if(!itemchecked) { if(el[i].focus) { el[i].focus(); } return false; }
  }
 }
 return true;
}
function checkCheckbox(checkboxname) {
 var el = document.forms[0].elements;
 for(var i = 0 ; i < el.length ; ++i) {
  if( (el[i].type == "checkbox") && (el[i].name == checkboxname) ) {
   var cbgroup = el[el[i].name]; // get the whole set of checkboxes.
   var itemchecked = false;
   if(cbgroup.length > 1) { for(var j = 0 ; j < cbgroup.length ; ++j) { if(cbgroup[j].checked) { itemchecked = true; break; } } } else { if(el[i].checked) { itemchecked = true; } else { itemchecked = false; } }
   if(!itemchecked) { if(el[i].focus) { el[i].focus(); } return false; } }
 }
 return true;
}