function showRef(i) 
{
	var DOM = document.getElementById;
	if (DOM) 
	{
		var i = document.getElementById(i);
		blinkElement(i,"footnotes_on");
		var el = document.createElement("div");
		el.className="close";
		el.innerHTML="Close";
		el.onclick = function() {
			i.removeChild(el);
			blinkElement(i,"footnotes");
			location.href="../google/";
		}
		i.appendChild(el);
		return false;
	}
}
function blinkElement(obj,className)
{
	obj.style.display="none";
	obj.className=className;
	obj.style.display="block";
}