function screenshot(url, w, h) {
	var o = window.open(url, 'flowgoup_screenshots', 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,width='+w+',height='+h);
	o.resizeTo(w, h);
	o.focus();
}

function h(o, url) {
	if (url != null) {
		var sav = o.src;
		o.src = url;
		if (o.getAttributeNode('sav')==null) {
			o.setAttribute('sav', sav);
		}
	}
	else {
		o.src = o.getAttribute('sav');
	}
}