function open_bio(bioName)  {
	popWin_width = 400;
	popWin_height = 480;
	popWin_left = (screen.width - popWin_width) / 2;
	popWin_top =(screen.height - popWin_height) / 2;
	popWin_url = "../biographies/" + bioName + ".html";
	popWin_features = "left=" + popWin_left + ",top=" + popWin_top + ",width=" + popWin_width + ",height=" + popWin_height + ",toolbar=0,resizable=0,status=0,menubar=1";
	window.open(popWin_url, bioName, popWin_features);
}