// pop up window

var popup;

function open_window1(url,w,h) {
	if (popup && !popup.closed) popup.close();
	popup = open(url,"","resizable=yes,width=" + w + ",height=" + h + ",toolbar=no,location=no,directories=no,status=yes,menuBar=no,scrollbars=yes,left=0,top=0");
}
function open_window2(url,w,h) {
	if (popup && !popup.closed) popup.close();
	popup = open(url,"","resizable=yes,width=" + w + ",height=" + h + ",toolbar=no,location=no,directories=no,status=no,menuBar=no,scrollbars=yes,left=0,top=0");
}