img{ margin: 0 5px 10px 5px; background:no-repeat 0 0; text-decoration:none; height:225px; width:187px; display:block; border:0;}

.image1 img { background:0 0 url(../gallery/christening/001.jpg);}
.image1:hover img{ background: 0 225px url(../gallery/christening/001a.jpg);}

.image2 img { background:0 0 url(../gallery/christening/002.jpg);}
.image2:hover img{ background: 0 225px url(../gallery/christening/002a.jpg);}

.image3 img { background:0 0 url(../gallery/christening/003.jpg);}
.image3:hover img{ background: 0 225px url(../gallery/christening/003a.jpg);}

.image4 img { background:0 0 url(../gallery/christening/004.jpg);}
.image4:hover img{ background: 0 225px url(../gallery/christening/004a.jpg);}

.image5 img { background:0 0 url(../gallery/christening/005.jpg);}
.image5:hover img{ background: 0 225px url(../gallery/christening/005a.jpg);}

.image6 img { background:0 0 url(../gallery/christening/006.jpg);}
.image6:hover img{ background: 0 225px url(../gallery/christening/006a.jpg);}

.image7 img { background:0 0 url(../gallery/christening/007.jpg);}
.image7:hover img{ background: 0 225px url(../gallery/christening/007a.jpg);}

.image8 img { background:0 0 url(../gallery/christening/008.jpg);}
.image8:hover img{ background: 0 225px url(../gallery/christening/008a.jpg);}

.image9 img { background:0 0 url(../gallery/christening/009.jpg);}
.image9:hover img{ background: 0 225px url(../gallery/christening/009a.jpg);}

.image10 img { background:0 0 url(../gallery/christening/010.jpg);}
.image10:hover img{ background: 0 225px url(../gallery/christening/010a.jpg);}

.image11 img { background:0 0 url(../gallery/christening/011.jpg);}
.image11:hover img{ background: 0 225px url(../gallery/christening/011a.jpg);}