function disableNameFields()
{
	if(document.getElementById('n1_1').checked)
	{
	 document.getElementById('sel_service').disabled = false;
	 document.getElementById('txt_service').disabled = true;
	 document.getElementById('txt_service').style.backgroundColor = '#c0c0c0';
	} else if((document.getElementById('n1_2').checked)) {
	 document.getElementById('sel_service').disabled = true;
	 document.getElementById('txt_service').disabled = false;
	 document.getElementById('txt_service').style.backgroundColor = '#ffffff';
 } // end if
}

function disableTimeFields()
{
	if(document.getElementById('t1_1').checked)
	{
	 document.getElementById('weekday').disabled = true;
  document.getElementById('from_h').disabled = true;
  document.getElementById('from_h').style.backgroundColor = '#c0c0c0';
  document.getElementById('from_m').disabled = true;
  document.getElementById('from_m').style.backgroundColor = '#c0c0c0';
  document.getElementById('to_h').disabled = true;
  document.getElementById('to_h').style.backgroundColor = '#c0c0c0';
  document.getElementById('to_m').disabled = true;
  document.getElementById('to_m').style.backgroundColor = '#c0c0c0';
	} else if((document.getElementById('t1_2').checked)) {
	 document.getElementById('weekday').disabled = false;
  document.getElementById('from_h').disabled = false;
  document.getElementById('from_h').style.backgroundColor = '#ffffff';
  document.getElementById('from_m').disabled = false;
  document.getElementById('from_m').style.backgroundColor = '#ffffff';
  document.getElementById('to_h').disabled = false;
  document.getElementById('to_h').style.backgroundColor = '#ffffff';
  document.getElementById('to_m').disabled = false;
  document.getElementById('to_m').style.backgroundColor = '#ffffff';
 } // end if
}