function zoom(photo,w,h) { var c; c = (screen.height - h)/2; var d; d = (screen.width - w)/2; obj=open("", "404", "width="+w+", height="+h+", status=no, toolbar=no, menubar=no, top="+c+", left="+d+""); obj.document.write("

"); obj.document.close(); }