function showDescription(obj)
{
	var id = obj.id.replace('link_', '');
	var element = document.getElementById('description_' + id);
	if(element)
	{
		element.style.display = "block";
	}
}


function hideDescription(obj)
{
	var id = obj.id.replace('link_', '');
	var element = document.getElementById('description_' + id);
	if(element)
	{
		element.style.display = "none";
	}
}