html{
margin:0;
padding:0;
height:100%;
overflow-y:scroll;
}
body{
margin:0;
padding:0;
height:100%;
text-align:center; /* winIE5 hack */
background-color:#ffffff;
background-image:url("../imgs/bg.gif");
background-repeat:repeat;
background-position: 50% 0%

}
.mainHolder{
margin:0 auto;
width:960px;
height:100%;
overflow:hidden;
}