footer 100% on bottom of page

Hi well I can not seem to get the footer back ground full screen can any body have a look i send you what ever you need. thank .JF

#footer {
position: absolute;
top: 840px;
width: 0 auto;
border-top: 4px solid #73746b;
background-color: #999b9a;
text-indent: 65px;
color: #EEE;
font-family: Arial;
font-size: 12px;


body {
background-color: #FFFFFF;
}
#wrapper {
width: 1025px;
margin-top: 5px;
margin-right: auto;
margin-bottom: auto;
margin-left: auto;
position: relative;