function openDialogWindow(url, name, w, h)
{
	var sFeatures = 'directories=0,location=0,menubar=0,toolbar=0,' +
		'resizable=1,scrollbars=1,status=0,dependent=yes';
	var sFeatures = "toolbar=no,status=no,resizable=yes,dependent=yes";
	if (typeof(w) != 'undefined')
	{
		sFeatures = sFeatures + ',width=' + w.toString();
	}
	if (typeof(h) != 'undefined')
	{
		sFeatures = sFeatures + ',height=' + h.toString();
	}
	var w = window.open(url, name, sFeatures);
	w.focus();
	return w;
}