function print_content(PAGE_ID, content_class) {
	window.open("http://www.nchc.org.tw/en/print_content.php?PAGE_ID=" + PAGE_ID + "&content_class=" + content_class, "", "width=600, height=800, toolbar=no, location=no, directories=no, status=no, menubar=no, scrollbars=yes, resizeable=no")
}