function marketingSourceChanged(selectedValue, containerSourceOtherId, sourceOtherDBId)
{
	var containerSourceOther = document.getElementById(containerSourceOtherId);
	if (null != containerSourceOther)
	{
		switch (selectedValue)
		{
			default:
			{
				containerSourceOther.style.visibility = 'hidden';
				containerSourceOther.style.display = 'none';
				break;
			}
			case sourceOtherDBId:
			{
				containerSourceOther.style.visibility = 'visible';
				containerSourceOther.style.display = 'block';
				break;
			}
		}
	}
	
	// return true: function used in onLoadBody
	return true;
}