function popup(file, w, h) {
	if (w > 800) {
		w = 800;
	}
	
	if (h > 600) {
		h = 600;
	}
	w = window.open(file, "popup", "width="+w+",height="+h+",location=no,menubar=no,status=no,resizable=yes,scrollbars=yes");
}