var notesWin = null;

if (document.images)
    window.name = "cl_main";

function show_popup(page,w,h,name) {
	notesWin = window.open(page,name,
		'titlebar=no,width=' + w + ',height=' + h +
		',dependent=yes,scrollbars=yes');
}
function close_popup() {
	if (notesWin && notesWin.open && !notesWin.closed) {
		notesWin.close();
	}
}