<!--
function popup(url)
{
	var width = 800;
	var height = 600;
	var left = Math.floor((screen.width - width) / 2);
	var top = Math.floor( (screen.height - height) / 2);
	var winParms = "top=" + top + ",left=" + left + ",height=" + height + ",width=" + width;
	var parms;   
	winParms += ",status=no,toolbar=no,menubar=no,location=no,scrollbars=no"; 
	var win = window.open(url, 'Gallerij', winParms);
	if (parseInt(navigator.appVersion) >= 4) 
	{ 
		win.window.focus(); 
	}
	if (parseInt(navigator.appVersion) >= 4) 
	{ 
		win.window.focus(); 
	}
	return win;
}
-->