#menu1 table { 
width:100%; 
}


#rightcolumn { 
float:right;
width:300px;
}

#leftcolumn { 
float:left;
width:300px;
}

#content {
overflow:auto;
margin-left:300px;
margin-right:300px;
}

#footer { 
clear:both;
padding:15px;
text-align:center;
}