function cargaLogin()
{
	document.getElementById('ventanaBanner').style.display = '';
	
	tBanner = new OpacityTween(document.getElementById('ventanaBanner'),Tween.regularEaseOut,0,100,2);
	tBanner.start();
}

function cierraLogin()
{
	document.getElementById('ventanaBanner').style.display='none';
}