// shows or hides a div, duh!
// divId id of the div
// attribute visible/hidden
function showHideDiv(divId, attribute)
{
	if (attribute == 'visible' || attribute == 'hidden')
	{
		var obj = document.getElementById(divId);
		if (obj && typeof obj.style.visibility != "undefined")
		{
			obj.style.visibility = attribute;
		}
		else
		{
			// alert is turned of because this is being call from a menu that is in a global header and not all pages have the video div
			//alert('The object: ' + divId + ' either could not be found or does not support the visiblity property.');
		}
	}
	else
	{
		alert('Only \'visible\' and \'hidden\' are support attributes of the visible property.');
	}
}