problema ridicolo con popup centrato

[Xinod]

prova

getURL("javascript:var wLeft=((screen.width-500)/2); var wTop=((screen.height-300)/2); window.open('aggiornamenti/gallery/galleryDownload.html','nName','top='+wTop+',left='+wLeft+',width=500,height=300');void(0);");

ciao