function propTypeFrom() {
    var dd = document.getElementById('fromproptype').value;

    if (dd == "2") {
	document.getElementById('hfothdv').style.display='block';
    } else {
	document.getElementById('hfothdv').style.display='none';
    }
}

function propTypeTo() {
    var td = document.getElementById('toproptype').value;

    if (td == "2") {
	document.getElementById('hfbothdv').style.display='block';
    } else {
	document.getElementById('hfbothdv').style.display='none';
    }
}