function change_img(img, fn) {
		img.src = "/_images/" + fn;
	}
	
	function emailpage(page_url) {
		wnd = window.open('/email_page.php?page_url='+page_url,'JamesTudor','width=450,height=550,menubar=no,statusbar=yes,resizable=no,scrollbars=no');
	}