html {height:100%}
body {height:100%; margin:0; text-align:center}
#contenair {width:960px; text-align:left; margin-left:auto; margin-right:auto; position:relative; min-height:100%; height:auto}
#header {width:100%; position:relative}
#column-right {float:right; width:220px}
#Content {margin-right:235px}
#footer {clear:both; position:absolute; bottom:0}