.HGBild {  background-attachment: scroll; background-color: #FFFFFF; background-image: url(Bilder/Neues%20Logo_hell.jpg); background-repeat: no-repeat; background-position: center center}
.HGBild_alt {  background-attachment: scroll; background-image: url(Bilder/Synagoge_geteilt_hell.gif); background-repeat: no-repeat; background-position: center center}