#contentwrapper{
float: left;
width: 100%;
}

#contentcolumn{
margin: 0 150px 0 200; /*Margins for content column. Should be "0 right-column-width 0 left-column-width*/
}

#contentcolumn_all{
margin: 0 0 0 200; /*Margins for content column. Should be "0 right-column-width 0 left-column-width*/
}

#leftcolumn{
float: left;
width: 200px; /*Width of left column in percentage*/
margin-left: -100%;

}

#rightcolumn{
float: left;
width: 150px; /*Width of right column in pixels*/
margin-left: -150px; /*Set margin to -(RightColumnWidth)*/

}

#footer{
clear: left;
width: 100%;
}