#main {
    background: #1d1d1d url(imgs/idx-bg.jpg) top center no-repeat;
    width:expression((document.body.clientWidth>1024) ? "1024px" : "100%");
    width: 100%;
    height: 431px;
    max-width:1024px;
    margin-left: auto;
    margin-right: auto;
    text-align: left;
}
#wrapper {
    position: relative;
    top: 383px;
    width: 100%;
}
#contentwrapper {
    float: left;
    width: 100%;
}
#contentcolumn {
    margin: 0 185px 0 185px; 
}

#leftcolumn {
    float: left;
    width: 180px; 
    margin-left: -100%;
    height:100%;
}

#rightcolumn {
    float: left;
    width: 185px; 
    margin-left: -185px; 
    height:100%;
}
#footer {
    clear: left;
    width: 100%;
}