function popup(page) {
	var x = screen.width;
	var y = screen.height;
	x = x-880;
	y = y-800;
	x = Math.round(x/2);
	y = Math.round(y/2);
//	alert (x+" : " + y)
	var frame = window.open(page,"window","width=890px; height=800px");
	frame.moveTo(x,y);
}