Position Fixed

[river]

Perdon el archivo css completo es el siguiente:


* html body {
overflow:auto;
}
#Fija {
position:absolute;
top:0;
left:0;

html>body #Fija {
position:fixed;
}

#Todo {
position:absolute;
top:0;
left:160px;
width:90%;
height:100%;
overflow:auto;
}
html>body #Todo {
position:static;
top:auto;
left:auto;
width:auto;
height:auto;
overflow:visible;
}

#menu{
position: absolute;
top : 100px;
left : 0px;
width : 140px;
font-weight: bold;
margin-bottom: 0px;
background-color: #e6c9c1;
line-height: 20px;
}

#menu a{
display: block;
width: 155px;
text-align: center;
text-decoration: none;
font-family: sans-serif;
font-size:12px;
line-height: 20px;
color: #000000;
border: solid 0px #000000;
}

#menu a:hover {
font-size: 12px; COLOR: #44370f; font-weight: bold; text-decoration: none;
background-color:#F7ECEA;
}