function fncEnable(chknum)
   {
                  
			if (document.frmContact["optphone"].checked == true) {

				// do not display the email inputs and clear them out
				
				document.frmContact["txtContactEmail"].value= '';
				document.frmContact["txtContactVerify"].value= '';
				document.getElementById('phonelabel').style.display='block';
				document.getElementById('phoneinput').style.display='block';
				document.getElementById('emaillabel').style.display='none';
				document.getElementById('emailinput').style.display='none';
				
			} else {

				// do not display the phone inputs and clear them out

				document.frmContact["txtContactPhone"].value= '';
				document.getElementById('phonelabel').style.display='none';
				document.getElementById('phoneinput').style.display='none';
				document.getElementById('emaillabel').style.display='block';
				document.getElementById('emailinput').style.display='block';

			}    // end if phone checked

   }