function numbersOnly(textfield, e)
{
	var key;
	var keychar;

	if (window.event)
		key = window.event.keyCode;
	else if (e)
		key = e.which;
	else
		return true;
	
	keychar = String.fromCharCode(key);
	// control keys
	if ((key==null) || (key==0) || (key==8) || (key==9) || (key==13) || (key==27))
		return true;
	// numbers
	else if ((("0123456789").indexOf(keychar) > -1))
		return true;
	else
		return false;
}

function buttonShowLayer(whichLayer)
{
      // this is the way the standards work
      var button = document.getElementById('rdoYes');
      var style2 = document.getElementById(whichLayer).style;
      style2.display = "block";
//      button.disabled = true;
}

function noThanks()
{
	var nt = document.getElementById('txtNoThanks');
	nt.value="true";
	document.forms[0].submit();
}

function updateDate(d, mm, dd, yyyy)
{
	var date = document.getElementById(d);
	var month = document.getElementById(mm);
	var day = document.getElementById(dd);
	var year = document.getElementById(yyyy);
	date.value = month.value + "/" + day.value + "/" + year.value;
}

function updatePhoneNumber(p, p1, p2, p3)
{
	var phone = document.getElementById(p);
	var phone1 = document.getElementById(p1);
	var phone2 = document.getElementById(p2);
	var phone3 = document.getElementById(p3);
	phone.value = phone1.value + phone2.value + phone3.value;
}