function newwin(obj,width,height,toolbar) {
	if (width != null && height != null) {
		var optional = 'width='+width+',height='+height;
		if (toolbar != null) {
			if (toolbar == false) {
				optional += ',toolbar=no,menubar=no,scrollbars=no,resizable=no,location=no,directories=no,status=no';
			}
		}
		window.open(obj.href,'newwin',optional);
	} else {
		window.open(obj.href,'newwin');
	}
}