.mainnav {
background: transparent url(../images/mainnav/mainnav_border_bot_no_left.gif) left bottom repeat-x;
}
.mainPage {
background: none;
}

#logo {
background: url(../images/sisgraph_logo_white_bg.gif) top left no-repeat;
}


.secondarynav {
display: none;
}
/* main content styles START */
.content {
float: none;
width: 724px;
padding: 112px 17px 25px 17px;
}