function showTeamVisaAd(ad) {
	var tvAdBox = document.getElementById('tvAdBox');
	var flashBoxElement = document.getElementById('flashMovie');
	var flashElement = document.getElementById('flashMovieContent');
	
	if (tvAdBox && flashBoxElement && flashElement) {
		// grab the HTML for the movie		
		flashBoxElement.innerHTML = flashElement.innerHTML.replace(/\/av\/teamvisa\/tvads\//g, '/av/teamvisa/tvads/' + ad + '.swf');
		
		// show the whole TV Ad box
		tvAdBox.style.display = 'block';
	}
}

function closeTeamVisaAd() {
	var tvAdBox = document.getElementById('tvAdBox');
	var flashBoxElement = document.getElementById('flashMovie');
	
	if (tvAdBox && flashBoxElement) {
		flashBoxElement.innerHTML = '';
		tvAdBox.style.display = 'none';
	}
}