function popup_image(href) {
	wnd = window.open("", "image", "width=640,height=480");

	doc = wnd.document;
	doc.open();

	doc.write("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01//EN\" \"http://www.w3.org/TR/html4/strict.dtd\">\n");
	doc.write("<html>\n");
	doc.write("<head>\n");
	doc.write("<title>image</title>\n");
	doc.write("<style type=\"text/css\">\n");
	doc.write("html, body, table { width: 100%; height: 100%; }\n");
	doc.write("body { margin: 0; color: #000000; background-color: #FFFFFF; }\n");
	doc.write("img { border: 0; vertical-align: bottom; }\n");
	doc.write("</style>\n");
	doc.write("</head>\n");
	doc.write("<body>\n");
	doc.write("<table border=\"0\" cellpadding=\"0\" cellspacing=\"0\">\n");
	doc.write("\t<tr>\n");
	doc.write("\t\t<td align=\"center\"><img src=\"" + href + "\" alt=\"\" width=\"640\" height=\"480\"></td>\n");
	doc.write("\t</tr>\n");
	doc.write("</table>\n");
	doc.write("</body>\n");
	doc.write("</html>\n");

	doc.close();
	wnd.focus();

	return false;
}

