function OnLoad() {
    try { ShowHideWNet() } catch(err) {}
    try { ShowHideCTV() } catch(err) {}
    try { ShowHideCNet() } catch(err) {}
    try { ShowHidePhone() } catch(err) {}
}

function ShowHideWNet() {
    var box = document.getElementById("wnet");
    var div = document.getElementById("div_wnet_pkg");
	if ( box.checked ) {
		div.style.display = 'block';
	}
	else {
		div.style.display = 'none';
	}
}

function ShowHideCTV() {
    var box = document.getElementById("ctv");
    var div = document.getElementById("div_ctv_pkg");
	if ( box.checked ) {
		div.style.display = 'block';
	}
	else {
		div.style.display = 'none';
	}
}

function ShowHideCNet() {
    var box = document.getElementById("cnet");
    var div = document.getElementById("div_cnet_pkg");
	if ( box.checked ) {
		div.style.display = 'block';
	}
	else {
		div.style.display = 'none';
	}
}

function ShowHidePhone() {
    var box = document.getElementById("phone");
    var div = document.getElementById("div_phone_pkg");
	if ( box.checked ) {
		div.style.display = 'block';
	}
	else {
		div.style.display = 'none';
	}
}