function hasOptionBeenSelected(oSrc, args)
{
	var cb_events = document.getElementById('cb_events');
	var cb_news = document.getElementById('cb_news');
	var cb_offers = document.getElementById('cb_offers');
	var v = false;
	if (cb_events.checked || cb_news.checked || cb_offers.checked)
		v = true;
	args.IsValid = v;
}

function fred()
{
	var mob = document.getElementById('tb_mobile').value;
	document.getElementById('tb_mobile').value = mob.replace(' ','');
}


function needMobile(oSrc, args)
{
	var cb_mobile = document.getElementById('cb_mobile');
	var mob = document.getElementById('tb_mobile').value;
	var v = true;
	if (cb_mobile.checked && mob == '')
		v = false;
	args.IsValid = v;
}

function needEmail(oSrc, args)
{
	var cb_email = document.getElementById('cb_email');
	var email = document.getElementById('tb_email').value;
	var v = true;
	if (cb_email.checked && email == '')
		v = false;
	args.IsValid = v;
}


function hasHearBeenSelected(oSrc, args)
{
	var cb_email = document.getElementById('cb_email');
	var cb_mobile = document.getElementById('cb_mobile');
	var v = false;
	if (cb_email.checked || cb_mobile.checked)
		v = true;
	args.IsValid = v;

}