function popUpPhoto(category, photoNumber) {
	if (category==360){
		window.open('http://www.hetwapenvandenhaag.nl/360_foto/hwvdh-' + photoNumber + '.html' ,'geklikteFoto','width=500, height=400')
	}else if (category=="on"){
		window.open('http://www.hetwapenvandenhaag.nl/onRootz.html' ,'on','width=420, height=595')
	}else {
		window.open('http://www.hetwapenvandenhaag.nl/v2/popup.php?cat=' + category + '&nr=' + photoNumber,'geklikteFoto','width=1024, height=768');
	}
}