function launchWindow(url, name, width, height, scrollbar)
{
	var str = "height=" + height + ",innerHeight=" + height;
	str += ",width=" + width + ",innerWidth=" + width;

	if (window.screen)
	{
		var ah = screen.availHeight - 30;
		var aw = screen.availWidth - 10;
		var xc = (aw - width);
		var yc = (ah - height);
		var xc = (aw - width)/2;
		var yc = (ah - height)/2;
		 
		str += ",left=" + xc + ",screenX=" + xc;
		str += ",top=" + yc + ",screenY=" + yc;
		str += ",hotkeys=0,menubar=0,resizable=0,scrollbars=" + scrollbar + ",status=0";
	}

	return window.open(url, name, str);
}