function showThumbnail(which, e) {
	var thumb = document.getElementById('thumb');
	if (thumb && thumb.style.visibility == 'hidden') {
		var lLeft = 0;
		var lTop = 0;
		if (e.pageX) {
			// Mozilla
			lLeft = pageXOffset + e.clientX + 20;
			lTop = pageYOffset + e.clientY;
		} else {
			// IE
			if (document.documentElement) {
				lLeft = document.documentElement.scrollLeft + e.x + 20;
				lTop = document.documentElement.scrollTop + e.y;
			} else {
				lLeft = document.body.scrollLeft + e.x + 20;
				lTop = document.body.scrollTop + e.y;
			}
		}
		thumb.style.left = lLeft + 'px';
		thumb.style.top = lTop + 'px';
		thumb.style.visibility = 'visible';
		thumb.innerHTML = '<img src="' + unescape(which) + '" width="120" height="160">';
	}
}

function closeThumbnail() {
	var thumb = document.getElementById('thumb');
	if (thumb) thumb.style.visibility = 'hidden';
}