function popup(link, width, height, left, top, scrollbars, toolbar) {
	var win;

	if (!scrollbars) scrollbars = 'yes';

	win = window.open(link, "popup", 'width=' + width + ',height='
		+ height + ',scrollbars=' + scrollbars + ',status=no,toolbar='
		+ toolbar + ',menubar=no,directories=no,screenX=' + left + ',left='
		+ left + ',screenY=' + top + ',top=' + top + ',resizable=yes');

	if (!win.opener) win.opener = self;
}