function popup(url, width, height) {
	var hori = (screen.width - width) / 2;
	var vert = (screen.height - height) / 2;
	winpops=window.open(url + "&width=" + width + "&height=" + height,"","width=" + width + ",height=" + height + ",left=" + hori + ",top=" + vert + ",scrollbars=yes,")
}//popup