function viewTip(id) {
	options  = "channelmode=no";
	options += ", directories=no";
	options += ", fullscreen=no";
	options += ", location=no";
	options += ", menubar=no";
	options += ", resizable=yes";
	options += ", scrollbars=yes";
	options += ", status=no";
	options += ", titlebar=yes";
	options += ", toolbar=no";
	
	var popup = window.open ('./view_tip.php?tip=' + id, '_blank', options, false);
}