function toggle_descriptions() {
	descriptions = document.getElementsByTagName('blockquote');
	if(descriptions)
		{
		for(var i=0; i<descriptions.length; i++)
			{
			descriptions[i].style.display = descriptions[i].style.display == "none" ? "" : "none";
			}
		}
	toggle = document.getElementById('show_hide');
	if(toggle)
		{
		toggle.innerHTML = toggle.innerHTML == "Show Descriptions" ? "Hide Descriptions" : "Show Descriptions";
		}
}

function link() {
}