*, html { margin:auto;}

<!-- IE centering bug fix -->
html, body {
text-align: center;
}

body { background-color:#000000;
}

.mainbody { color:#00FF00; height:1747px; width:611; text-align:center}

.all { margin:auto; width:1041px; height:2063px;}

#photogallery { width:900px; height:800px; border:0px; position:absolute; top:340px; right:300px; margin:auto;}