function popup_window(url, width, height, toolbar, scrollbars, location, statusbar, menubar, resizable) {
	var window_id = new Date().getTime();
	window.open(url, window_id, 'toolbar='+toolbar+', scrollbars='+scrollbars+', location='+location+', statusbar='+statusbar+', menubar='+menubar+', resizable='+resizable+', width='+width+', height='+height+'');
}