function showField(that){
var formid = that.form.id;
var which = that.value;
switch(which){
case '1': 
document.getElementById(formid+':useMyKad').style.display='block';
document.getElementById(formid+':useOldIC').style.display='none';
break;
case '2':
document.getElementById(formid+':useMyKad').style.display='none';
document.getElementById(formid+':useOldIC').style.display='block';
break;
default:
document.getElementById(formid+':useMyKad').style.display='block';
document.getElementById(formid+':useOldIC').style.display='none';
break;
}
}
function initShowField() {
var that = arguments[0];
if (that != null) {
var inputs = that.getElementsByTagName('input');
for(var i=0; i<inputs.length; i++) {		
if(inputs[i].type == 'radio' && (inputs[i].checked == true || inputs[i].checked == 'checked')) {
showField(inputs[i]);
}
}
}
}
function nextInput() {	
var that = arguments[0];
var next = arguments[1];
var formId = that.form;
if (that.value.length==that.maxLength) {
if (formId.elements[next].type=='text') {
formId.elements[next].select();
} else {
formId.elements[next].focus();
}
}
}