function ShowDescription(name) {
	var descriptionid=document.getElementById(name);

	if( descriptionid.style.visibility == "visible" )
	{
		descriptionid.style.visibility = "hidden";
		descriptionid.style.display="none";
	}
	else
	{
		descriptionid.style.visibility = "visible";
		descriptionid.style.display="block";
	}
}